Step 1 - Medicine 2011

A 30-year-old patient complains about having abdominal pain and diarrhea for five days; body temperature rise up to 37,5oC along with chills. The day before a patient had been in a forest and drunk from an open water reservoir. Laboratory analyses enabled to make the following diagnosis: amebic dysentery. What is the drug of choice for its treatment?

Emetine hydrochloride

Metronidazole

Phthalazol

Levomycetin

Furazolidonum

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Quite often the cause of secondary immunodeficiency is an infection involvement, when the causative agents propagate directly in the cells of immune system and destroy it. The following diseases are characterized by:

Dysentery, cholera

Poliomyelitis, type A hepatitis

Infectious mononucleosis, AIDS

Q-febris, epidemic typhus

Tuberculosis, mycobacteriosis

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Heart rate of a 30-year-old man under emotional stress reached 112 bpm. The reason for the heart rate increase is the altered condition of the following conducting system of heart:

His’ bundle

Atrioventricular node

His’ bundle branches

Purkinje’s fibers

Sinoatrial node

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Sanitary bacteriological research on water by the membrane filter method revealed two red colonies on a membrane filter (Endo agar) through which 500 ml of analyzed water were passed. Calculate the coli index and coli titer of the analyzed water:

250 and 4

500 and 2

2 and 500

250 and 2

4 and 250

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A 46-year-old female patient has a continuous history of progressive muscular (Duchenne’s) dystrophy. Which blood enzyme changes will be of diagnostic value in this case?

Lactate dehydrogenase

Glutamate dehydrogenase

Adenylate cyclase

Pyruvate dehydrogenase

Creatine phosphokinase

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Extensive thromboembolic infarction of the left cerebral hemispheres, large septic spleen, immunocomplex glomerulonephritis, ulcers on the edges of the aortic valves, covered with polypous thrombus with colonies of staphylococcus were revealed on autopsy of the young man who died in coma. What disease caused cerebral thromboemboly?

Rheumatic thromboendocarditis

Septicopyemia

Acute rheumatic valvulitis

Septic bacterial endocarditis

Septicemia

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A 10-year-old girl has a history of repeated acute respiratory viral infection. After recovering she presents with multiple petechial hemorrhages on the sites of friction from clothing rubbing the skin. What kind of hypovitaminosis has this girl?

Bi

B6

A

C

B2

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Autopsy of a patient who suffered from croupous pneumonia and died from pneumococcal sepsis revealed 900 ml of turbid greenish-yellow liquid in the right pleural cavity. Pleural leaves are dull, plephoric. Name the clinicopathological form of inflammation in the pleural cavity:

Chronic abscess

Empyema

Phlegmon

Acute abscess

Fibrinous inflammation

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Researchers isolated 5 isoenzymic forms of lactate dehydrogenase from the human blood serum and studied their properties. What property indicates that the isoenzymic forms were isolated from the same enzyme?

Catalyzation of the same reaction

The same physicochemical properties

The same molecular weight

The same electrophoretic mobility

Tissue localization

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A patient suffering from stomach ulcer has been treated with an antacid drug almagel. For acute bronchitis treatment he was prescribed the antibiotic methacycli-ne. However within next 5 days the fever didn’t fall, cough and sputum nature remained unchanged. A physician came to the conclusion that the drugs were incompatible. What type of drug incompatibility is the case?

Direct antagonism

Pharmaceutic

Pharmacokinetic, absorption stage

Pharmacokinetic, biotransformation stage

Pharmacodynamic

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ECG of a 44-year-old patient shows signs of hypertrophy of both ventricles and the right atrium. The patient was diagnosed with the tricuspid valve insufficiency. What pathogenetic variant of cardiac dysfunction is usually observed in case of such insufficiency?

Primary myocardial insufficiency

Heart overload by resistance

Coronary insufficiency

Heart overload by volume

Cardiac tamponade

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Proserin increases skeletal muscle tone when given systematically. Halothane induces relaxation of skeletal muscles and reduces proserin effects. What is the nature of proserin and halothane interaction?

Competitive antagonism

Noncompetitive antagonism

Independent antagonism

Direct functional antagonism

Indirect functional antagonism

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The minute blood volume in a patient with transplanted heart has increased as a result of physical activity. What regulative mechanism is responsible for these changes?

Parasympathetic unconditioned reflexes

Sympathetic unconditioned reflexes

Parasympathetic conditioned reflexes

Sympathetic conditioned reflexes

Catecholamines

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An aged man had raise of arterial pressure under a stress. It was caused by activation of:

Sympathoadrenal system

Hypophysis function

Functions of adrenal cortex

Functions of thyroid gland

Parasympathetic nucleus of vagus

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Autopsy of a man who died from chronic cardiovascular collapse revealed 'tiger heart'. Sidewards of endocardium a yellowish-white banding can be seen; myocardium is dull, darkyellow. What process caused this pathology?

Fatty vascular-stromal degeneration

Carbohydrate degeneration

Amyloidosis

Fatty parenchymatous degeneration

Hyaline degeneration

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A 55-year-old male patient was hospitalised to a surgical clinic for suspected septicemia. What material should be taken for analysis?

Blood, sugar broth

Urine, beef-extract broth

Liquor, serum agar

Pus, yolk saline agar

Lymph node punctate, cysteine agar

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A patient has pellagra. Interrogation revealed that he had lived mostly on maize for a long time and eaten little meat. This disease had been caused by the deficit of the following substance in the maize:

Alanine

Proline

Tryptophan

Histidine

Tyrosine

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During examination of a 6-year-old child a doctor revealed greyish films on the pharyngeal tonsils. Their removal provoked moderate haemorrhage. Bacterioscopy revealed gram-positive clublike bacteria. What symptoms will develop in this child within the next few days if no specific treatment is provided?

Toxic lesions of myocard, liver and kidney

Pulmonary edema

Intermittent fever

Strong paroxysmal cough

Papulous skinrash

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A 46-year-old patient consulted a doctor complaining about joint pain that becomes stronger the day before the weather changes. Blood examination revealed an increased concentration of uric acid. The most probable cause of the disease is the intensified disintegration of the following substance:

Thymidine monophosphate

Cytidine monophosphate

Uridine monophosphate

Adenosine monophosphate

Uridine triphosphate

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12 hours after an accute attack of retrosternal pain a patient presented a jump of aspartate aminotransferase activity in blood serum. What pathology is this deviation typical for?

Myocardium infarction

Diabetes insipidus

Collagenosis

Viral hepatitis

Diabetes mellitus

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After a trauma of the upper third of the anterior forearm surface a patient presents with difficult pronation, weakening of palmar flexor muscles and altered skin sensitivity of 1-3 fingers. Which nerve is damaged?

n. medianus

n. musculocutaneus

n. radialis

n. ulnaris

n. cutaneus antebrachii medialis

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A 2-year-old child with mental and physical retardation has been delivered to a hospital. He presents with frequent vomiting after having meals. There is phenylpyruvic acid in urine. Which metabolism abnormality is the reason for this pathology?

Phosphoric calcium metabolism

Carbohydrate metabolism

Water-salt metabolism

Lipidic metabolism

Amino-acid metabolism

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A 38-year-old man died in the attempt of lifting weight. He had collaptoid state. Autopsy revealed an extensive aneurism rupture of thoracic aorta. He suffered from visceral syphilis during his lifetime. What pathological process caused weakness of aortic wall, its dilatation and rupture?

Muscle layer atrophy

Vascularization

Vanishing of elastic fibers

Intima changes by shagreen leather type

Vanishing of collagen fibers

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A patient suffering from myasthenia has been administered proserin. After its administration the patient has got nausea, diarrhea, twitch of tongue and skeletal muscles. What drug would help to eliminate the intoxication?

Pyridostigmine bromide

Isadrine

Mesatonum

Atropine sulfate

Physostigmine

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A man died from an acute infectious disease accompanied by fever, jaundice, haemorrhagic rash on the skin and mucous membranes as well as by acute renal insufficiency. Histological examination of renal tissue (stained by Romanovsky-Giemsa method) revealed some convoluted bacteria looking like C und S letters. What bacteria were revealed?

Campilobacteria

Treponema

Borrelia

Spirilla

Leptospira

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A 46-year-old patient suffering from the diffuse toxic goiter underwent resection of the thyroid gland. After the surgery the patient presents with appetite loss, dyspepsia, increased neuromuscular excitement. The body weight remained unchanged. Body temperature is normal. Which of the following has caused such a condition in this patient?

Increased production of thyroliberin

Reduced production of parathormone

Reduced production of thyroxin

Increased production of calcitonin

Increased production of thyroxin

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Medical examination at the military registration and enlistment office revealed that a 15-yearold boy was high, with eunuchoid body proportions, gynecomastia, female pattern of pubic hair distribution. The boy had also fat deposits on the thighs, no facial hair, high voice, subnormal intelligence quotient. Which karyotype corresponds with this disease?

45, XO

46, XY

47, XXY

47, XXX

46, XX

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A doctor recommends a patient with duodenal ulcer to drink cabbage and potato juice after the therapy course. Which substances contained in these vegetables help to heal and prevent the ulcers?

Vitamin U

Vitamin C

Vitamin K

Vitamin

Pantothenic acid

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Urine analysis of a 12-year-old boy reveals high concentration of all aliphatic amino acids with the highest excretion of cystine and cysteine. US of kidneys revealed kidney concrements. What is the most likely pathology?

Cystitis

Phenylketonuria

Alkaptonuria

Cystinuria

Hartnup disease

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A 5-year-old child has been diagnosed with acute right distal pneumonia. Sputum inoculation revealed that the causative agent is resistant to penicillin, but it is senstive to macrolides. What drug should be prescribed?

Gentamycin

Tetracycline

Streptomycin

Azithromycin

Ampicillin

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Autopsy of a 73-year-old man who had been suffering from the coronary heart disease along with cardiac insufficiency for a long time revealed: nutmeg liver, brown induration of lungs, cyanotic induration of kidneys and spleen. What kind of circulation disorder was the cause of such effects?

Chronic anaemia

Arterial hyperaemia

General acute venous congestion

General chronic venous congestion

Acute anaemia

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A patient suffering from chronic hyperacidic gastritis takes an antacid drug for heartburn elimination. After its ingestion the patient feels better but at the same time he has a sensation of stomach swelling. Which of the following drugs might be the cause of such side effect?

Magnesium trisilicate

Pepsin

Magnesium oxide

Aluminium hydrooxide

Sodium hydrocarbonate

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A 30-year-old male patient with acute pancreatitis has been found to have a disorder of cavitary protein digestion. The reason for such condition can be the hyposynthesis and hyposecretion of the following enzyme:

Lipase

Pepsin

Dipeptidase

Amylase

Tripsin

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A patient has been given high doses of hydrocortisone for a long time. This caused atrophy of one of the adrenal cortex zones. Which zone is it?

Fascial

Reticular

Glomerular and reticular

Glomerular

-

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A victim of an accident has bleeding from the soft tissues anteriad the mandibular angle. Which vessel should be ligated for the bleeding arrest?

A.carotis interna

A.alveolaris inferior

A.lingvalis

A.facialis

A.temporalis superficialis

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Microscopic examination of a gram-stained scrape from a patient’s tongue revealed oval, round, elongated chains of dark-violet gemmating cells. What disease can be caused by this causative agent?

Diphtheria

Staphylococcic infection

Actinomycosis

Candidiasis

Streptococcic infection

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The greater amount of nitrogen is excreted from the organism in form of urea. Inhibition of urea synthesis and accumulation of ammonia in blood and tissues are induced by the decreased activity of the following liver enzyme:

Pepsin

Aspartate aminotransferase

Amylase

Carbamoyl phosphate synthetase

Urease

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A 36-year-old female patient has a history of collagen disease. Urine analysis is likely to reveal an increased concentration of the following metabolite:

Oxyproline

Creatinine

Indican

Urobilinogen

Urea

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A coprological survey revealed light-colored feces containing drops of neutral fat. The most likely reason for this condition is the disorder of:

Pancreatic juice secretion

Intestinal absorption

Intestinal juice secretion

Bile inflow into the bowel

Gastric juice acidity

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The secretion of whixh hypophysial hormones will be inhibited after taking the oral contraceptives containing sex hormones?

Gonadotropic hormone

Thyrotrophic hormone

Somatotropic hormone

Vasopressin

Ocytocin

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A histological specimen of a kidney shows a part of the distal tubule going between the afferent and efferent arteriole. The cells building the tubule wall have dense nuclei; basal membrane is absent. Such structural formation is called:

Juxtavascular cells

Macula densa

-

Juxtaglomerular cells

Mesangial cells

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During preparation of a patient to a heart surgery it was necessary to measure pressure in heart chambers. In one of them pressure varied from 0 mm Hg up to 120 mm Hg within one cardiac cycle. What heart chamber is it?

Left atrium

-

Right atrium

Right ventricle

Left ventricle

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A patient with essential hypertension has a high rate of blood renin. Which of antihypertensive drugs should be preferred?

Propranolol

Dichlothiazide

Nifedipine

Lisinopril

Prazosinum

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In order to determine toxigenicity of diphtheria bacilli a strip of filter paper impregnated with antitoxic diphtherial serum was put on the dense nutrient medium. There were also inoculated a mi-crobal culture under examination and a strain that is known to be toxigenic. If the microbal culture under examination produces exotoxin, this wil result in formation of:

Zones of diffuse opacification

Zones of lecithovitellinous activity

Haemolysis zones

Precipitin lines

Precipitin ring

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It was revealed that T-lymphocytes were affected by HIV. Virus enzyme -reverse transcriptase ( RNA-dependent DNA-polymerase) - catalyzes the synthesis of :

mRNA on the matrix of virus protein

Viral DNA on DNA matrix

DNA on virus ribosomal RNA

DN A on the matrix of virus mRNA

Virus informational RNA on the matrix of DNA

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Microscopical examination of an enlarged cervical lymph node revealed blurring of its structure, absence of lymphoid follicles; all the microscopic fields showed cells with roundish nuclei and thin limbus of basophil cytoplasm. It is known from the clinical data that other groups of lymph nodes are also enlarged as well as spleen and liver. What disease might be suspected?

Lymphogranulomatosis

Myeloid leukosis

Lymphoid leukosis

Lymphosarcoma

Multiple myeloma

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A 38-year-old patient came to a traumatology centre and complained about an injury of his right hand. Objectively: the patient has a cut wound in the region of the thenar eminence on the right hand; distal phalanx of the I finger cannot be flexed. What muscle was injured?

Short flexor muscle of thumb

Long flexor muscle of thumb

Abductor muscle of thumb

Short abductor muscle of thumb

Opposer muscle of thumb

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Lung ventilation in a person is increased as a result of physical activity. Which of the following indices of the external respiration is much higher than in a state of rest?

Vital capacity of lungs

Respiratory volume

Expiratory reserve volume

Total lung capacity

Inspiratory reserve volume

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As a result of activation of the ion channels of the external membrane the rest potential of an excitable cell has greatly increased. What channels were activated?

Fast calcium channels

Sodium and calcium channels

Slow calcium channels

Potassium channels

Sodium channels

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As a result of continuous starvation the glomerular filtration rate has increased by 20%. The most probable cause of the glomerular filtration alteration under the mentioned conditions is:

Increase in the systemic arterial pressure

Increase of the renal blood flow

Increase of the filtartion quotient

Decrease in the oncotic pressure of blood plasma

Increase in the permeability of the renal filter

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A patient with cardiogenic shock, hypotension, asphyxia and edemata was given an injection of non-glycosidic cardiotonic. What drug was injected?

Dobutamine

Aethimizolum

Caffeine sodium benzoate

Bemegride

Cordiamin

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After transfusion of 200 ml of blood a patient presented with body temperature rise up to 37,9oC. Which of the following substances is the most likely cause of temperature rise?

Interleukin-1

Interleukin-3

Interleukin-4

Tumour necrosis factor

Interleukin-2

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A man who is riding the carousel presents with increased heart rate, sweating, nausea. This condition is caused primarily by the stimulation of the following receptors:

Auditory

Proprioceptors

Vestibular ampullar

Vestibular otolithic

Visual

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A worker of a cattle farm fell acutely ill and then died from the progressing intoxication. Autopsy revealed enlarged, hyposthenic spleen of dark-cherry colour when dissected; excessive pulp scraping. At the base and fornix of brain pia maters are edematous, soaked with blood, dark-red ('scarlet hat'). Microscopic examination revealed serous haemorrhagic inflammation of brain tissues and tunics along with destruction of small vessel walls. What is the most likely diagnosis?

Anthrax

Plaque

Tularemia

Cholera

Brucellosis

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Which of the listed diuretic agents WILL NOT have diuretic effect on a patient with Addison’s disease?

Furosemide

Ethacrynic acid

Spironolactone

Hydrochlorothiazide

Triamterene

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A man with a wound of his limb that had been suppurating for a long time died from intoxication. Autopsy revealed extreme emaciation, dehydration, brown atrophy of liver, myocardium, spleen and cross-striated muscles as well as renal amyloidosis. What diagnosis corresponds with the described presentations?

Brucellosis

Septicemia

Chroniosepsis

Septicopyemia

Chernogubov’s syndrome

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This drug has a destructive effect on erythrocytic forms of malarial plasmodia and dysenteric amoebae. It is used for treatment and prevention of such diseases as malaria, amebiasis and interstitial disease. What drug is it?

Chingamin

Emetine hydrochloride

Erythromycin

Tetracycline

Quinine

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A patient has an increased pyruvate concentration in blood, most of it is excreted with the urine. What kind of avitaminosis has this patient?

B6

B2

E

B3

Bi

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A child suffers from drug idiosyncrasy. What is the cause of such reaction?

Exhaustion of substrate interacting with pharmaceutical substance

Hereditary enzymopathy

Associated disease of target organ

Inhibition of microsomal liver enzymes

Accumulation of pharmaceutical substance

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One of the parents is suspected of having phenylketonuria recessive gene. What is the risk of giving birth to a child with inborn phenylketonuria?

0%

25 %

100 %

75 %

50 %

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Pulmonary examination of a patient who has worked as a stone grinder for 9 years revealed small dense roundish nodules consisting of connective tissue. The nodules were found to have peripheral macrophages. Such pulmonary alterations are indicative of the following disease:

Acute pneumonia

Silicosis

Chronic bronchitis

Multiple bronchiectasis

Bronchial asthma

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A 12-year-old teenager has significantly put off weight within 3 months; glucose concentration rose up to 50 mi-llimole/l. He fell into a coma. What is the main mechanism of its development?

Hyperosmolar

Lactacidemic

Hypoglycemic

Hypoxic

Ketonemic

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Which way of heat emission by the bodies of greenhouse workers is the most effective at the temperature of 36oC degrees and relative humidity of 70%?

Convection

Heat radiation

-

Thermal conduction

Liquid evaporation

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Examination of a 70-year-old patient revealed insulin-dependent diabetes. What drug should be administered?

Parathyroidin

Glibenclamid

Insulin

Mercazolilum

Cortisone

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A disaster fighter at a nuclear power plant developed hemorrhagic syndrome on the background of acute radiation disease. What is the most important factor of syndrome pathogenesis?

Decreased activity of coagulative factors

Thrombocytopenia

Increased activity of fibrinolysis factors

Increased activity of anticoagulative system factors

Vascular wall damage

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Jaundice treatment involves administration of barbiturates inducing the synthesis of UDPglucuronyl transferase. A medicinal effect is caused by the production of:

Direct reacting (conjugated) bilirubin

Protoporphyrin

Biliverdin

Indirect reacting (unconjugated) bilirubin

Heme

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A histological specimen shows a blood vessel. Its inner coat is composed by endothelium, subendothelium and internal elastic membrane. The middle coat is enriched with smooth myocytes. Such morphological characteristics are typical for the following vessel:

Capillary

Non-muscular vein

Muscular-type vein

Elastic-type artery

Muscular-type artery

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An 18-year-old man was delivered to the hospital after a road accident. Examination at the traumatological department revealed multiple injuries of soft tissues of face in the region of the medial eye angle. The injuries caused massive haemorrhage. What arterial anastomosis might have been damaged in this region?

a. carotis interna et a. ophthalmica

a. carotis externa et a. carotis interna

a. carotis externa et a. subclavia

a. subclavia et a. ophthalmica

a. carotis interna et a. subclavia

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Autopsy of a 75-year-old man with a long history of atherosclerosis revealed a grey irregularshaped focus of loose consistency in the right parietotemporal region of brain. What is the most likely cause of this process?

Thrombosis of the right anterior cerebral artery

Thrombosis of the right posterior cerebral artery

Thrombosis of tomentum cerebri

Thrombosis of basilar artery

Thrombosis of the right medial cerebral artery

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Autopsy of a man with a malignant stomach tumour who had died from cancer intoxication revealed in the posteroinferior lung fields some dense, grayish-red irregular foci protruding above the section surface. Microscopic examination revealed exudate containing a large amount of neutrophils in the lumen and walls of small bronchi and alveoles. Such pulmonary alterations indicate the following disease:

Intermittent pneumonia

Acute serous bronchopneumonia

Acute purulent bronchopneumonia

Croupous pneumonia

Acute bronchitis

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A surgeon has to find the common hepatic duct during the operative intervention on account of concrements in the gall ducts. The common hepatic duct is located between the leaves of:

Round ligament of liver

Hepatoduodenal ligament

Hepatorenal ligament

Hepatogastric ligament

Venous ligament

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Autopsy of a 1,5-year-old child revealed haemorrhagic skin rash, moderate hyperaemia and edema of nasopharyngeal mucous membrane, small haemorrhages in the mucous membranes and internal organs; dramatic dystrophic alterations in liver and myocardium; acute necrotic nephrosis; massive haemorrhages in the adrenal glands. What disease are these alterations the most typical for?

Scarlet fever

Measles

Meningococcal infection

Diphtheria

Epidemic typhus

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A 75-year-old-female patient with complaints of visual impairment has been delivered to the ophthalmologic department. Objective examination revealed a brain tumor in area of the left optic tract. The patient has a visual field defect in the following area:

Right half of both eyes retina

Left half of both eyes retina

Left and right halves of the left eye retina

Left and right halves of both eyes retina

Left and right halves of the right eye retina

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A patient with coronary disease has been diagnosed with myocardial hypertrophy, tachycardia and a decrease in minute blood volume. What is the leading mechanism of cardiac hystiocyte damage in this case?

Damage of specific membrane pumps

Ca2+ loss by cardiac hystiocytes

Increase in a and 3 adrenoreceptors quantity

Mg2+ loss by cardiac hystiocytes

Cardiac hystiocyte dehydration

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Blood analysis of a patient with jaundice reveals conjugated bilirubi-nemia, increased concentration of bile acids. There is no stercobilinogen in urine. What type of jaundice is it?

Hemolytic jaundice

Obstructive jaundice

Parenchymatous jaundice

Hepatocellular jaundice

Cythemolytic jaundice

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While studying maximally spiralized chromosomes of human karyotype the process of cell division was stopped in the following phase:

Interphase

Metaphase

Prophase

Telophase

Anaphase

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A man is being measured power inputs on an empty stomach, in the lying position, under conditions of physical and psychic rest at a comfortable temperature. Power inputs will reach the maximum at:

3-4 a.m.

5-6 p.m.

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When measuring power inputs of a man by the method of indirect calorimetry the following results were obtained: 1000 ml oxygen consumption and 800 ml carbon dioxide liberation per minute. The man under examination has the following respiratory coefficient:

0, 84

1, 0

0, 9

1, 25

0,8

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A newborn child with pylorostenosis has often repeating vomiting accompanied by apathy, weakness, hypertonicity, sometimes convulsions. What disorder form of acid-base balance is it?

Metabolic acidosis

Nongaseous alkalosis

Gaseous acidosis

Excretory acidosis

Gaseous alkalosis

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A concentrated solution of sodium chloride was intravenously injected to an animal. This caused decreased reabsorption of sodium ions in the renal tubules. It is the result of the following changes of hormonal secretion:

Aldosterone increase

Reduction of atrial natriuretic factor

Vasopressin increase

Aldosterone reduction

Vasopressin reduction

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A patient has been diagnosed with alkaptonuria. Choose an enzyme whose deficiency can be the reason for this pathology:

Glutamate dehydrogenase

Phenylalanine hydroxylase

Pyruvate dehydrogenase

Homogentisic acid oxidase

Dioxyphenylalanine decarboxylase

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A patient consulted an urologist about pain during urination. Analysis of his urine taken in the daytime revealed eggs with a characteristic sharp point. It is known from the anamnesis that the patient has recently returned from Australia. What is the most likely diagnosis?

Japanese schistosomiasis

Intestinal schistosomiasis

Dicroceliasis

Opisthorchiasis

Urogenital schistosomiasis

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A 49-year old female patient has limitation of left limbs arbitrary movements. Muscular tonus of left hand and leg is overstrained and spasmodic, local tendon reflexes are strong, pathological reflexes are presented. What is the most likely development mechanism of hypertension and hyperreflexia?

Reduction of descending inhibitory influence

Activation of excitatory influence from the focus of stroke

Activation of synaptic transmission

Ihibition of cerebral cortex motoneurons

Motoneuron activation induced by stroke

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A 35-year-old patient complains about having severe rhinitis and loss of sense of smell for a week. Objectively: the nasal cavity contains a lot of mucus covering the mucous membrane and blocking olfactory receptors. In what region of the nasal cavity are these receptors located?

Superior nasal concha

Common nasal meatus

Vestibule of nose

Median nasal concha

Inferior nasal concha

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A 10-year-old child had the mantoux tuberculin test administered. 48 hours later a papule up to 8 mm in diameter appeared on the site of the injection. What type of hypersensitivity reaction developed after the tuberculin injection?

Type II hypersensitivity reaction

Type IV hypersensitivity reaction

Arthus phenomenon

Seroreaction

Atopic reaction

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Vitamin Bi deficiency causes disturbance of oxidative decarboxylation of o-ketoglutaric acid. This leads to the impaired synthesis of the following coenzyme:

Coenzyme A

Nicotinamide adenine dinucleotide

Flavine adenine dinucleotide

Lipoic acid

Thiamine pyrophosphate

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Examination of a pregnant woman having Rh-negative blood revealed high level of antierythrocytic antibodies. For its reduction she was implanted with her husband’s Rhpositive skin graft. The graft was rejected in two weeks. Its microscopic examination revealed circulatory disturbance, edema and cellular infiltration with lymphocytes, neutrophils and macrophages predominance. What is the most likely pathology?

Granulomatous inflammation

Graft immunity

Delayed-type hypersensitivity

Immediate hypersensitivity

Interstitial inflammation

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A 17-year-old girl took a high dose of phenobarbital to commit a suicide. An ambulance doctor cleansed her stomach and gave her an intravenous injection of bemegride and sodium hydrocarbonate solution. What was sodi- um hydrocarbonate injected for?

For arterial pressure normalization

For bringing the patient to consciousness

For increasing renal excretion of phenobarbital

For breathing stimulation

For phenobarbital inactivation

‹ Назад

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While examining the oral cavity a stomatologist revealed inflammation of papillae on the border of the median and posterior third of the back of tongue. What papillae are inflamed?

Papillae conicae

Papillae vallatae

Papillae fungiformes

Papillae foliatae

Papillae filiformes

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A patient is 44 years old. Laboratory examination of his blood revealed that content of proteins in plasma was 40 g/l. What influence will be exerted on the transcapillary water metabolism?

Both filtration and reabsorption will be increased

Both filtration and reabsorption will be decreased

Metabolism will stay unchanged

Filtration will be decreased, reabsorption - increased

Filtration will be increased, reabsorption - decreased

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A patient has corestenoma. What is the reason of such condition?

Noradrenaline action

Increased tonus of sympathetic centres

Increased tonus of parasympathetic centres

Increased activity of sympathoadrenal system

Adrenaline action

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A 46-year-old man had a bulging dark macula on skin that caused no discomfort. With time it began to increase in size and became painful. It turned dark brown and there was a nodule on palpation. Histological examination of tissues revealed spindle and polymorphous cells with multiple mitoses. Their cytoplasm contained brown pigment. What tumour is it?

-

Hemangioma

Nevus

Basalioma

Melanoma

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The patient with complaints of permanent thirst applied to the doctor. Hyperglycemia, polyuria and increased concentration of 17-ketosteroids in the urine were revealed. What disease is the most likely?

Steroid diabetes

Addison’s disease

Myxoedema

Type I glycogenosis

Insulin-dependent diabetes mellitus

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A 32-year-old patient consulted a doctor about the absence of lactation after parturition. Such disorder might be explained by the deficit of the following hormone:

Vasopressin

Prolactin

Glucagon

Thyrocalcitonin

Somatotropin

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An infant has pylorospasm, weakness, hypodynamia, convulsions as a result of frequent vomiting. What kind of acid-base disbalance is it?

Excretory alkalosis

Metabolic acidosis

Excretory acidosis

Gaseous alkalosis

Exogenous nongaseous acidosis

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A weightlifter has a disruption of thoracic lymphatic duct as a result of lifting a weight. Choose the most likely site of injury:

In the region of venous angle

In the region of neck

In the region of lumbosacral plexus

In the region of aortic hiatus

In the posterior mediastinum

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A woman suffering from osteochondrosis has acute pain in her humeral articulation that gets worse when she tries to abduct her shoulder. These symptoms might be caused by damage of the following nerve:

Dorsal scapular nerve

Thoracodorsal nerve

Subscapular nerve

Axillary nerve

Subclavicular nerve

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Pyeloureterography X-ray photo showed a renal pelvis with minor calyces only (major calyces were absent). What form of urinary tracts of a kidney was revealed?

Mature

Fetal

Ampullar

Embryonal

-

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A female patient presents with endocrine dysfunction of follicular cells of the ovarian follicles resulting from an inflammation. The synthesis of the following hormone will be inhibited:

Progesterone

Lutropin

Estrogen

Follicle stimulating hormone

Follistatine

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A 19-year-old female patient has had low haemoglobin rate of 90-95 g/l since childhood. Blood count results obtained after hospitalisation are as follows: erythrocytes - 3,2 • 1012/l, Hb- 85 g/l, colour index - 0,78; leukocytes - 5,6 • 109/l, platelets - 210 • 109/l. Smear examination revealed anisocytosis, poikilocytosis and target cells. Reticulocyte rate is 6%. Iron therapy was ineffective. What blood pathology corresponds with the described clinical presentations?

Membranopathy

Thalassemia

Favism

Enzymopathy

Sickle-cell anemia

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A liquidator of a breakdown at a nuclear power plant who was irradiated complained about vomiting that occurs all of a sudden. What medication should be prescribed?

De-Nol

Aeron

Metoclopramide

Reserpine

Atropine

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A patient with acute myocardial infarction has been administered heparin as a part of complex therapy. Some time after heparin injection the patient developed hematuria. What heparin antagonist should be injected in order to manage the complication?

Vicasol

Aminocaproic acid

Protamine sulfate

Fibrinogen

Neodicumarin

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A 45-year-old patient was admitted to the cardiological department. ECG data: negative P wave overlaps QRS complex, diastolic interval is prolonged after extrasystole. What type of extrasystole is it?

Atrioventricular

Bundle-branch

Ventricular

Sinus

Atrial

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A patient complains of hydruria (7 liters per day) and polydipsia. Examination reveals no disorders of carbohydrate metabolism. These abnormalities might be caused by the dysfunction of the following endocrine gland:

Adrenal cortex

Neurohypophysis

Islets of Langerhans (pancreatic islets)

Adenohypophysis

Adrenal medulla

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Before a surgery a blood sample of a 30-year-old man has been typed. Blood is Rh-positive. Standard serums of such groups as 0 afi (I), Afi (II), Ba (III) didn’t activate erythrocyte agglutination reaction. The group of the analyzed blood is:

-

Afi (II)

0 afi (I)

Ba (III)

AB (IV)

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Medical examination of a 20-year-old woman revealed a dense incapsulated node 1 cm in diameter that was palpated in the mammary gland. The postoperative biopsy revealed connective tissue overgrowth around the mammary ducts and glandular components of different diameter that didn’t make lobules and bore no signs of cellular abnormality. What diagnosis will be made?

Fibroadenoma

Metastatic cancer

Fibrocarcinoma

Adenoma

Fibroma

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A 38-year-old male patient has been ill with systemic lupus erythematosus for three years. He was diagnosed with diffuse renal affection accompanied by massive edemata and expressive proteinuria. What is the most likely cause of proteinuria development?

Urinary tracts inflammation

Aseptic renal affection

Urinary bladder inflammation

Autoimmune renal affection

Ischemic renal affection

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A student failed to answer all the questions of examination paper correctly. As a result he blushed, felt hot and lost confidence. What type of arterial hyperemia has developed in this case?

Neuroparalytic hyperemia

Pathologic hyperemia

Postishemic hyperemia

Neurotonic hyperemia

Metabolic hyperemia

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Acute renal impairment caused death of a bleeding patient. Autopsy revealed enlarged kidneys with a broad pale pink cortical layer expressively demarcated from dark red renal pyramids. Macroscopic examination revealed lack of epithelial nuclei of convoluted tubules, tubulorrhexis, phlebostasis. The cell nuclei of choroid glomus and straight tubules were present. What pathology is it?

Necronephrosis

Glomerulonephritis

Infarction

Pyelonephritis

Nephrosis

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A female patient consulted a doctor about pain and limited movements in the knee joints. Which of the following nonsteroid anti-inflammatory drugs should be administered taking into consideration that the patient has a history of chronic gastroduodenitis?

Butadiounum

Diclofenac sodium

Celecoxib

Acetylsalicilic acid

Promedol

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A patient presents with icteriti-ousness of skin, scleras and mucous membranes. Blood plasma the total bilirubin is increased, stercobilin is increased in feces, urobilin is increased in urine. What type of jaundice is it?

Cholestatic

Haemolytic

Obturational

Gilbert’s disease

Parenchymatous

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Blood plasma of a healthy man contains several dozens of proteins. During an illness new proteins can originate, namely the protein of 'acute phase'. Select such protein from the listed below:

Prothrombin

G immunoglobulin

A immunoglobulin

Fibrinogen

C-reactive protein

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A patient working at a pig farm complains about paroxysmal abdominal pain, liquid feces with admixtures of mucus and blood, headache, weakness, fever. Examination of large intestine revealed ulcers from 1 mm up to several cm large, feces contained oval unicellular organisms with cilia. What disease should be suspected?

Balantidiasis

Lambliasis

Trichomoniasis

Amebiasis

Toxoplasmosis

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During hypersensitivity test a patient got subcutaneous injection of an antigen which caused reddening of skin, edema, pain as a result of histamine action. This biogenic amine is generated as a result of transformation of the following histidine amino acid:

Isomerization

Phosphorylation

Deaminization

Decarboxylation

Methylation

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During fighting a man had a cardiac arrest as a result of a hard blow to the upper region of anterior abdominal wall. Which of the described mechanisms might have provoked the cardiac arrest?

Sympathetic conditioned reflexes

Sympathetic unconditioned reflexes

Peripheric reflexes

Parasympathetic conditioned reflexes

Parasympathetic unconditioned reflexes

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There is a severe time restriction for people’s staying at a height of over 800 m above the sea level without oxygen bombs. What is the life limiting factor in this case?

Earth gravity

Moisture level

Temperature

Ultraviolet intensity

Partial oxygen pressure

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A patient with marked pneumofibrosis that developed after infiltrating pulmonary tuberculosis has been diagnosed with respiratory failure. What is its pathogenetic type?

Restrictive

Dysregulatory

Reflex

Obstructive

Apneistic

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During surgical manipulations a patient has been given novocaine injection for anesthesia. 10 minutes later the patient developed paleness, dyspnea, hypotension. What type of allergic reaction is it?

Aggregate immune reaction

Anaphylactic immune reaction

Cell-mediated immune reaction

Stimulating immune reaction

Cellulotoxic immune reaction

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A sensitive neural ganglion consists of roundish neurocytes with one extension that divides into axon and dendrite at a some distance from the perikaryon. What are these cells called?

Unipolar

Apolar

Pseudounipolar

Bipolar

Multipolar

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A patient complained about dizziness, memory impairment, periodical convulsions. It was revealed that these changes were caused by a product of decarboxylation of glutamic acid. Name this product:

ATP

TDP

THFA

GABA

Pyridoxal phosphate

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It was found out that some compounds, for instance fungi toxins and some antibiotics can inhibit activity of ENA-polymerase. What process will be disturbed in a cell in case of inhibition of this enzyme?

Replication

Transcription

Processing

Translation

Reparation

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During an experiment the myotatic reflex has been studied in frogs. After extension in a skeletal muscle its reflectory contraction was absent. The reason for it might be a dysfunction of the following receptors:

Tactile

Golgi tendon organs

Muscle spindles

Articular

Nociceptors

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An adult man presents with systemic arterial pressure drop from 120/70 to 90/50 mm Hg. This resulted in reflex vasoconstriction. Vasoconstriction will be minimal in the following organ:

Bowels

Liver

Skeletal muscles

Skin

Heart

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A culture of monkey cells (Vero) and a group of mouse sucklings were infected with an inoculum taken from a child with provisional diagnosis 'enterovirus infection'. There was no cytopathic effect on the cell culture but mouse sucklings died. What enteric viruses might have caused disease of this child?

ECHO virus

Coxsackie A

Polioviruses

Coxsackie B

Unclassified enteric viruses 68-71

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An electron microphotography of a fragment of proper gastric gland shows a big irregular round-shaped cell. There are a lot of intracellular tubules and mitochondria in the cytoplasm. Specify this cell:

Parietal cell

Undifferentiated cell

Principal cell

Endocrine cell

Mucous cell

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Blood count of an athlete is as follows: erythrocytes - 5,5 • 1012/l, Hb-180 g/l, leukocytes - 7 • 109/l, neutrophils -64%, basophils - 0,5%, eosinophils - 0,5%, monocytes - 8%, lymphocytes 27 %. First of all, such results indicate the stimulation of :

Granulocytopoiesis

Erythropoiesis

Leukopoiesis

Immunogenesis

Lymphopoiesis

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A patient died from cardiopulmonary decompensation. Histological examination revealed diffused pulmonary affection along with interstitial edema, infiltration of tissue by limphocytes, macrophages, plasmocytes; pulmonary fibrosis, panacinar emphysema. What is the most likely diagnosis?

Chronic bronchitis

Pulmonary atelectasis

Bronchopneumonia

Fibrosing alveolitis

Bronchial asthma

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If a man has an attack of bronchi-ospasm it is necessary to reduce the effect of vagus on smooth muscles of bronchi. What membrane cytoreceptors should be blocked for this purpose?

M-cholinoreceptors

a- and b-adrenoreceptors

a-adrenoreceptors

b-adrenoreceptors

N-cholinoreceptors

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A male patient has been diagnosed with gastric ulcer. Bacteriological examination of biopsy material from the affected part of stomach revealed small colonies of gram-negative, oxide reductase-positive flexibacteria that grew on the chocolate agar on the fifth day. Which of the following microorganisms is the most likely causative agent?

Campilobacter jejuni

Mycoplasma hominis

Chlamydia trachomatis

Helicobacter pylori

Campilobacter fetus

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There are several groups of molecular mechanisms playing important part in pathogenesis of insult to cells which contributes to the pathology development. What processes are stimulated by proteinic damage mechanisms?

Phospholipase activation

Acidosis

Lipid peroxidation

Osmotic membrane distension

Enzyme inhibition

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A patient has been diagnosed with a compression fracture of a lumbar vertebra. As a result he has a considerable increase in curvature of the lumbar lordosis. Which ligament damage can induce such changes in the spine curvature?

Anterior longitudinal ligament

Interspinous ligament

Iliolumbar ligament

Posterior longitudinal ligament

Yellow ligament

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A 49-year-old patient with croupous pneumonia died from pneumococcal septicemia. Autopsy revealed up to 700 ml of turbid greenish-yellow foul-smelling liquid in the left pleural cavity. The pleural leaflets were dull and plethoric. What form of pleural inflammation is it?

Fibrinous inflammation

Empyema

Chronic abscess

Acute abscess

Phlegmon

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A 35-year-old man developed acute heart failure while running for a long time. What changes in ionic composition can be observed in the cardiac muscle?

Reduction of Na+ and Ca2+ ions in the extracellular space

Reduction of K + and Mg2+ ions in the extracellular space

Accumulation of K + and Mg2+ ions in the myocardium cells

Accumulation of Na+ and Ca2+ ions in the myocardium cells

Reduction of Na+ and Ca2+ ions in the myocardium cells

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A child with a history of frequent angine and pharyngitis has been diagnosed with lymphadenopathy and splenomegaly. His appearance is characterised by pastosity and paleness, muscular tissue is poorly developed. Lymphocytosis is present. What kind of diathesis is it?

Gouty diathesis

Lymphohypoplastic diathesis

Exudative diathesis

Asthenic diathesis

Hemorrhagic diathesis

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In response to a change in body position from horizontal to vertical blood circulation system develops reflectory pressor reaction. Which of the following is its compulsory component?

Weakening of the pumbing ability of heart

Systemic dilatation of the arterial resistive vessels

Decrease in the circulating blood volume

Systemic constriction of the venous vessels

Increase in the heart rate

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After an immunoassay a child was diagnosed with immunodeficiency of humoral immunity. What is the reason for the primary immunodeficiency development in the child?

Immune responsiveness and resistance disorders

Pathometabolism in mother’s organism

Hereditary abnormality of immune system

Embryonal development abnormalities

Toxic damage of B-lymphocytes

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Life cycle of a cell includes the process of DNA autoreduplication. As a result of it monochromatid chromosomes turn into bichromatid ones. What period of cell cycle does this phenomenon fall into?

M

G2

G0

Gi

5

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Examination of a 12-year-old boy with developmental lag revealed achondroplasia: disproportional constitution with evident shortening of upper and lower limbs as a result of growth disorder of epiphyseal cartilages of long tubal bones. This disease is:

Congenital

Inherited, dominant

Inherited, recessive

Inherited, sex-linked

Acquired

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2 days after labour a woman developed shock along with DIC syndrome that caused her death. Autopsy revealed purulent endomyometritis, regional purulent lymphangitis, lymphadenitis and purulent thrombophlebitis. There were also dystrophic alterations and interstitial inflammation of parenchymal organs. What is the most likely diagnosis?

Septicemia

Chorioadenoma destruens

Tuberculosis of genital organs

Hydatid mole

Syphilis

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After a craniocerebral trauma a patient lost the ability to execute learned purposeful movements (apraxia). The injury is most likely localized in the following region of the cerebral cortex:

Gyrus angularis

Gyrus supramarginalis

Gyrus parahippocampalis

Gyrus paracentralis

Gyrus lingualis

‹ Назад

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Tissue inosytol triphosphates are generated as a result of the phosphati-dylinositol diphosphate hydrolysis and act as secondary agents (mediators) in the mechanism of hormone action. Their effect in cells is directed at:

Protein kinase A activation

Adenylate cyclase activation

Calcium ion liberation from cellular depot

Phosphodiesterase inhibition

Protein kinase A inhibition

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A patient with coronary disease and arrhythmia has been administered a drug that blocks potassium channels and prolongs the action potential. What drug is it?

Corglyconum

Nitroglycerin

Amiodarone

Lisinopril

Dobutamine

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A patient takes digoxin for cardiac insufficiency. What diuretic may increase digoxin toxicity due to the intensified excretion of K + ions?

Spironolactone

Hydrochlorothiazide

Siliborum

Lisinopril

Panangine

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During starvation muscle proteins break up into free amino acids. These compounds will be the most probably involved into the following process:

Decarboxylation

Gluconeogenesis in muscles

Synthesis of higher fatty acids

Glycogenolysis

Gluconeogenesis in liver

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A female patient consulted a doctor about a sense of epigastric discomfort, nausea and anorexia. A duodenal content analysis revealed lamblia. What drug should be prescribed?

Rifampicin

Isoniazid

Acyclovir

Chingamin

Metronidazole

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Далі ›

A 28-year-old female patient consulted a gynecologist about sterility. Examination revealed underdeveloped ovaries and uterus, irregular menstrual cycle. Analysis of the sex chromatin revealed 2 Barr’s bodies in most somatic cells. What chromosome disease is most likely?

Turner’s syndrome

Patau’s syndrome

Klinefelter’s syndrome

Triple X syndrome

Edwards’ syndrome

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A 1-year-old baby has been hospitalised for body and limbs lesions. Exami- nation revealed carnitine deficiency in the child’s muscles. A biochemical reason for this pathology is the disorder of:

Oxidative phosphorylation

Transport of fatty acids to mitochondria

Utilization of lactic acid

Regulation of Ca2+ rate in mitochondria

Substrate-linked phosphorylation

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During anesthetization a patient presented with symptoms of tonus increase of parasympathetic nervous system such as hypersalivation and laryngospasm. What drug could have prevented these undesirable effects?

Pyracetam

Adrenaline hydrochloride

Neostigmine

Analgin

Atropine sulphate

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Some students developed myodynia after continuous physical activity during physical education. The reason for such condition was accumulation of lactic acid in the skeletal muscles. It was generated in the students’ bodies after activation of the following process:

Pentose-phosphate cycle

Lipolysis

Glycolysis

Gluconeogenesis

Glycogeny

‹ Назад

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A newborn develops dyspepsia after the milk feeding. When the milk is substituted by the glucose solution the dyspepsia symptoms disappear. The newborn has the subnormal activity of the following enzyme:

Amylase

Lactase

Isomaltase

Maltase

Invertase

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A doctor asked a patient to breath out fully after taking a normal breath. What muscles contract during such exhalation?

Pectoral muscles

Abdominal muscles

Diaphragm

Trapezius muscles

External intercostal muscles

‹ Назад

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On an electron micrograph a scientist has identified a structure formed by eight histone proteins and a part of DNA molecule which makes about 1,75 revolutions around the molecules. Which structure has been identified?

Nucleosoma

Chromatid

Elemetary fibril

Chromosome

Half-chromatid

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A patient with massive burns developed acute renal insufficiency characterized by a significant and rapid deceleration of glomerular filtration. What is the mechanism of its development?

Renal artery embolism

Rise of pressure of tubular fluid

Damage of glomerular filter

Reduction of renal blood flow

Reduction of functioning nephron number

‹ Назад

Далі ›

A three-year-old child has had marked diarrhea for three days. Immune electron microscopy of his excrements revealed bilayer pseudocovered capsid viruses that looked like small spoke wheels. What viruses have been revealed?

Reoviruses

Coronaviruses

Coxsackie viruses

ECHO viruses

Rotaviruses

‹ Назад

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A male patient has fever and enanthesis. As a result of the examination involving serological tests he has been diagnosed with fasciola hepatica. It was found out that the patient had been infected through raw river water. Which stage of fasciola life cycle is invasive for humans?

Miracidium

Metacercaria

Ovum

Adolescaria

Cysticercus

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A patient with high-titer antinuclear antibodies died from progressing renal impairment. Autopsy revealed mesangi-oproliferative glomerulonephritis and abacterial polypous endocarditis. There was periarterial bulbar sclerosis in spleen and productive proliferative vasculitis in skin. What is the most likely diagnosis?

Systemic lupus erythematosus

Dermatomyositis

Periarteritis nodosa

Nephrotic syndrome

Rheumatism

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Далі ›

Electronic microphotography of pulmonary alveole’s wall presents a big cell. Its cytoplasm has a lot of mitochondria, developed Golgi apparatus, osmiophil lamellated corpuscles. What is the main function of this cell?

It warms the air

It produces surfactant

It purifies the air

It absorbs microorganisms

It is a component of blood-air barrier

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A patient has food poisoning. Laboratory analysis revealed a culture of anaerobic grampositive spore-forming bacteria. What is the most likely kind of the isolated causative agent?

Proteus vulgaris

Esherichia coli

B. perfringens

P. mirabilis

Vibrio parahemolyticus

‹ Назад

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An animal has an increased tonus of extensor muscles. This the result of intensified information transmission to the motoneurons of the spinal cord through the following descending pathways:

Rubrospinal

Lateral corticospinal

Medial corticospinal

Reticulospinal

Vestibulospinal

‹ Назад

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A 70-year-old male patient died from acute coronary insufficiency. He had knee joint swelling, gonycampsis and gonalgia during his lifetime. Pathomorphologic examination of the deformed joints and synovial membranes revealed membrane hyperaemia with multiple perivascular inflammatory infltrations made by lymphocytes, plasmocytes and macrophagocytes. There was an accumulation of organized fibrin covering some areas of synovium membrane and looking like rice grains in the articular liquid. What is the most likely diagnosis?

Atrophic arthritis

Ankylosing spondylitis

Periarteritis nodosa

Deforming arthrosis

Tuberculous arthritis

‹ Назад

Далі ›

A man having a hearing loss after a head trauma was delivered to the neurosurgery department. The cause of the hearing loss might be the damage of the following lobe of cerebral cortex:

Parietal

Frontal

Temporal

Postcentral gyrus

Occipital

‹ Назад

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A pregnant woman was registered in an antenatal clinic and underwent complex examination for a number of infections. Blood serum contained IgM to the rubella virus. What is this result indicative of?

The woman is healthy

Of exacerbation of a chronic disease

Of a chronic process

Of recurring infection with rubella virus

Of primary infection

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A patient with tuberculosis died from progressing cardiopulmonary decompensation. Autopsy in the region of the right lung apex revealed a cavity 5 cm in diameter communicating with lumen of a segmental bronchus. On the inside cavity walls are covered with caseous masses with epithelioid and Langhans cells beneath them. What morphological form of tuberculosis is it?

Caseous pneumonia

Infiltrative tuberculosis

Tuberculoma

Acute focal tuberculosis

Acute cavernous tuberculosis

‹ Назад

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Vomiting matters of a patient suspected of having cholera were delivered to the bacteriological laboratory. The material was used for preparing a 'hanging drop' specimen. What type of microscopy will be applied for identification of the causative agent by its mobility?

Phase-contrast microscopy

Immersion microscopy

Fluorescence microscopy

Immune and electron microscopy

Electron microscopy

‹ Назад

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A patient with enteritis accompanied by massive diarrhea has low water rate in the extracellular space, high water rate inside the cells and low blood osmolari-ty. What is such disturbance of water-electrolytic metabolism called?

Hypo-osmolar hyperhydration

Hyperosmolar hypohydration

Osmolar hypohydration

Hyperosmolar hyperhydration

Hypo-osmolar hypohydration

‹ Назад

Далі ›

Examination of a 6-month-old child revealed a delay in closure of the occipital fontanelle. When should it normally close?

Before the child is born

Until the end of the first year of life

Until 3 months

Until 6 months

Until the end of the second year of life

‹ Назад

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A newborn child was found to have reduced intensity of sucking, frequent vomiting, hypotonia. Urine and blood exhibit increased concentration of citrulli-ne. What metabolic process is disturbed?

Ornithinic cycle

Cori cycle

Glyconeogenesis

Tricarboxylic acid cycle

Glycolysis

‹ Назад

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A male patient has been diagnosed with acute radiation disease. Laboratory examination revealed a considerable reduction of platelet serotonin level. The likely cause of platelet serotonin reduction is the disturbed metabolism of the following substance:

Phenylalanine

Histidine

Tyrosine

Serine

5-oxytryptofane

‹ Назад

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In course of a conditional experiment the development of mesenchyma cells was completely inhibited. Development of the following muscular tissue will be disturbed:

Cardiac muscular tissue

Epidermal muscular tissue

Smooth muscular tissue

Skeletal muscular tissue

Neural muscular tissue

‹ Назад

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A histologic specimen shows an organ’s parenchyma which is presented by lymphoid tissue making some lymph nodes. The nodes are located diffusively and contain a central artery. What anatomic formation might have such morphological structure?

Spleen

Red bone marrow

Tonsil

Thymus

Lymph node

‹ Назад

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A victim with a head trauma in the temporal region has been diagnosed with epidural hematoma. What artery is most likely to be damaged?

Posterior auricular artery

Superficial temporal artery

Anterior membranous artery

Medial cerebral artery

Medial membranous artery

‹ Назад

Далі ›

A child has mental and physical retardation, grave damage of internal connective tissue. Urine analysis reveals keratan sulfates. What metabolic process is disturbed?

Glycosaminoglycans

Hyaluronic acid

Collagen

Fibronectin

Elastin

‹ Назад

Далі ›

A tooth extraction in a patient with chronic persistent hepatitis was complicated with prolonged hemorrhage. What is the reason for the haemorrhagic syndrome?

Decrease in fibrin production

Increase in fibrinogen synthesis

Fibrinolysis intensification

Decrease in thrombin production

Increase in thromboplastin production

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Sex chromosomes of a woman didn’t separate and move to the opposite poles of a cell during gametogenesis (meiosis). The ovum was impregnated with a normal spermatozoon. Which chromosomal disease can be found in her child?

Patau’s syndrome

Cat cry syndrome

Down’s syndrome

Turner’s syndrome

Edwards’ syndrome

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A female patient was administered loratadine for allergic cheilitis treatment. What is the mechanism of the drug’s acti- on?

It blocks the adrenergic receptors

It stimulates the activity of monoamine oxidase

It inhibits the activity of choline esterase

It blocks the activity of Hi histamine receptors

It inhibits the activity of Na,K-ATP

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Ultramicroscopical examination of 'dark' hepatocyte population in the cell cytoplasm detected a developed granular endoplasmic reticulum. What function has this organella in these cells?

Bile production

Calcium ion depositing

Carbohydrate synthesis

Deintoxicative function

Synthesis of blood plasma proteins

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A doctor prescribed a cephalosporin antibiotic to the patient after appendectomy for infection prevention. Antimicrobial activity of this group of antibiotics is based upon the disturbance of the following process:

Nucleic acid synthesis

Choline esterase block

Ribosome protein synthesis

Energy metabolism

Microbial wall formation

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A patient underwent an extraction of a part of a CNS structures by medical indications. As a result of the extraction the patient developed atony, astasia, intention tremor, ataxy and adiadochokinesis. Which part of CNS structure had been extracted?

Limbic system

Cerebellum

Amygdaloid corpus

Hippocamp

Basal ganglions

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A patient has been diagnosed with influenza. His condition became drastically worse after taking antipyretic drugs. His consciousness is confused, AP is 80/50 mm Hg, Ps is 140/m, body temperature droped down to 35,8oC. What complication developed in this patient?

Acidosis

Hyperthermia

Alkalosis

Hypovolemia

Collapse

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A patient consulted a doctor about loss of taste sensitivity on the tongue root. The doctor revealed that it is caused by nerve affection. Which nerve is it?

Vagus nerve

Trigeminal nerve

Superlaryngeal nerve

Glossopharyngeal

Facial nerve

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Which muscle contraction will be observed in the upper extremity during holding (but not moving) a load in a certain position?

Excentric

Isotonic

Isometric

Auxotonic

Concentric

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An older woman has been hospitalised for acute pain and edema of the right hip joint that appered after a fall. Objectively: the hip is adduced inwards, hip joint movements are impaired. The patient is most likely to have a fracture of the following bone or bone part:

Ischial bone

Femoral neck

Condyle of femur

Pubic bone

Shaft of femur

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A 45-year-old woman has breast cancer. Her left arm has symptoms of lymphatic system insufficiency - limb edema, lymph node enlargement. What form of lymphatic circulation insufficiency is it?

Combined insufficiency

-

Resorption insufficiency

Mechanic insufficiency

Dynamic insufficiency

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Study of conversion of a food colouring agent revealed that neutralization of this xenobiotic takes place only in one phase - microsomal oxydation. Name a component of this phase:

Cytochrome oxidase

Cytochrome A

Cytochrome C

Cytochrome P-450

Cytochrome B

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While performing an inguinal canal operation on account of hernia a surgeon damaged the canal’s contents. What exactly was damaged?

-

Funiculus spermaticus

Urarchus

Lig. teres uteri

Lig. inguinale

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A patient with myocardial infarction was admitted to the cardiological department. For pain relief it was decided to potentiate fentanyl action with a neuroleptic. Which of the following neuroleptics is the most suitable for neuroleptanalgesia?

Haloperidol

Aminazine

Sulpiride

Triftazine

Droperidol

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A 25-year-old man has spent a long time in the sun under high air humidity. As a result of it his body temperature rose up to 39oC. What pathological process is it?

Noninfectious fever

Burn disease

Hyperthermia

Hypothermia

Infectious fever

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A 26-year-old man is in the torpid shock phase as a result of a car accident. In blood: 3, 2 • 109 /l. What is the leading mechanism of leukopenia development?

Intensified elimination of leukocytes from the organism

Leikopoiesis inhibition

Redistribution of leukocytes in bloodstream

Lysis of leukocytes in the blood-forming organs

Disturbed going out of mature leukocytes from the marrow into the blood

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A patient consulted a doctor about a sensation of imbalance which appeared after a trauma. Which nerve is damaged?

Trigeminal nerve

Vagus nerve

Vestibulocochlear nerve

Intermediate nerve

Facial nerve

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An alcoholic has alcoholic psychosis with evident psychomotor agitation. What neuroleptic drug should be administered for emergency care?

Halothane

Sodium bromide

Aminazine

Diazepam

Reserpine

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A patient who has been treated in a neural clinic and has been taking a sedative for a long time got the following complication: cough, rhinitis, epiphora. What drug caused these disturbances?

Sodium bromide

Valerian

Diazepam

Phenazepam

Reserpine

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The liver puncture biopsy of a patient with hepatocellular insufficiency revealed hydropic and ballooning degenerationof hepatocytes, necrosis of certain cells, presence of Kaunsilmen’s bodies. Portal and lobular stroma were infiltrated mostly with lymphocytes and macrophages as well as with a small number of polymorphonuclear lymphocytes. What is the most likely diagnosis?

Autoimmune hepatitis

Chronic persistent hepatitis

Chronic aggressive hepatitis

Acute viral hepatitis

Alcoholic hepatitis

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In order to accelerate healing of a radiation ulcer a vitamin drug was administered. What drug is it?

Levamisole

Methyluracil

Retinol acetate

Prednisolone

Retabolil

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After inoculation of the material obtained from the pharynx of an angina patient onto the blood-tellurite agar, grey colonies could be observed. They were 4-5 mm in diameter, radially striated (in form of rosettes). Microscopical examination revealed gram-positive bacilli with clavate swollen ends arranged in form of wide-spread fingers. Identify these microorganisms:

Streptococci

Diphtheria corynebacteria

Diphtheroids

Streptobacilli

Clostridium botulinum

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Cytogenetic examination of a patient with reproductive dysfunction revealed normal karyotype 46 XY in some cells, but most cells have karyotype of Klinefelter’s syndrome - 47 XXY. Such cell heterogeni-ty is called:

Inversion

Mosaicism

Monomorphism

Duplication

Transposition

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A patient presents with acne and inflammatory alterations of facial skin. Microscopial investigation of lesion foci has revealed live arthropods sized 0,20,5 mm. They have prolate vermiform form and four pairs of thin short limbs located in the middle part of the body. The revealed arthropods cause:

Phthiriasis

Dermamyiasis

Scabies

Demodicosis

Pediculosis

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Surgical approach to the thyroid gland from the transverse (collar) approach involves opening of interaponeurot suprasternal space. What anatomic structure localized in this space is dangerous to be damaged?

Superior thyroid arthery

Inferior thyroid arthery

External jugular vein

Jugular venous arch

Subclavicular vein

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An injured person was delivered to the hospital with a penetrating wound in the left lateral region of abdomen. What part of the large intestine is most likely damaged?

Rectum

Colon transverses

Colon ascendens

Caecum

Colon descendens

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A 4-year-old child presents with general weakness, sore throat and deglutitive problem. After his examination a doctor suspected diphtheria and sent the material to the bacteriological laboratory. In order to determine the diphtheria causative agent the material should be inoculated into the following differential diagnostic medium:

Levenshtein-Yessen agar

Endo’s agar

Blood tellurite agar

Sabouraud’s agar

Ploskyrev’s agar

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Examination of the anterior abdominal wall of a pregnant woman revealed a tumour-like formation that arose on the spot of a tumour that was removed two years ago. The neoplasm was well-defined, dense, 2x1 cm large. Histological examination revealed that the tumour was composed of differentiated connective tissue with prevailing collagen fibres. What tumour might be suspected?

Hibernoma

Fibrosarcoma

Lipoma

Leiomyoma

Desmoid

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