Step 1 - Medicine 2018

A 40-year-old woman on examination presents with intensified basal metabolic rate. What hormone present in excess leads to such condition?

Glucagon

Aldosterone

Somatostatin

Thyrocalcitonin

Triiodothyronine

‹ Назад

Далі ›

Autopsy of a woman revealed the following morphologic changes: stenosis of the atrioventricular opening, mitral insufficiency. Histologically there are focal cardiosclerosis and ’’blooming” Aschoff nodules in the myocardium. What is the most likely diagnosis?

Dermatomyositis

Polyarteritis nodosa

Systemic lupus erythematosus

Rheumatism

Scleroderma

‹ Назад

Далі ›

After a case of sepsis a 27-year-old woman developed ’bronzed” skin discoloration characteristic of Addison’s disease. Hyperpigmentation mechanism in this case is based on increased secretion of:

в-lipotropin

Melanocyte-stimulating hormone

Gonadotropin

Thyroid-stimulating hormone

Somatotropin

‹ Назад

Далі ›

A 16-year-old girl presents with no hair on the pubis and in the armpits, her mammary glands are underdeveloped, no menstruations. What hormone imbalance can it be indicative of?

Ovarian failure

Adrenal medulla hyperfunction

Pancreatic islet failure

Hypothyroidism

Hyperthyroidism

‹ Назад

Далі ›

From the feces of a patient with acute gastroenteritis a pure culture of microorganisms was obtained. The microorganisms are small mobile slightly curved gram-negative bacilli that within 6 hours grow into a light blue film on the 1% alkaline peptone water. Such properties are characteristic of the following microorganism:

Clostridium

Spirochaete

Bacillus

Spirilla

Vibrio

‹ Назад

Далі ›

A patient was brought into the infecti- onal diseases hospital on the 8th day since the disease onset. The patient complains of headache, malaise, and weakness. A sample of blood was taken for the serological test. Widal agglutination test results with blood sample diluted 1:200 and typhoid fever O-diagnosticum were positive. What diagnosis can be made based on the results of this test?

Leptospirosis

Tuberculosis

Dysentery

Cholera

Typhoid fever

‹ Назад

Далі ›

Protective function of saliva is based on several mechanisms, including the presence of enzyme that has bactericidal action and causes lysis of complex capsular polysaccharides of staphylococci and streptococci. Name this enzyme:

Collagenase

a-amylase

Lysozyme

в-glucuronidase

Oligo-1,6-glucosidase

‹ Назад

Далі ›

In the process of hemoglobin catabolism iron is released and then as a part of special transport protein is returned to the bone marrow, to be used again for hemoglobin synthesis. Name this transport protein:

Haptoglobin

Albumin

Transcobalamin

Ceruloplasmin

Transferrin

‹ Назад

Далі ›

The first-aid center has received a victim of a traffic accident diagnosed with closed displaced fracture of the middle third of the thigh. For repositioning of bone fragments the patient received 10 ml of 2% dithylinum solution intravenously, which resulted in prolonged period of apnoea and muscle relaxation. What enzyme is deficient, resulting in such pharmacogenetic enzymopathy?

N-acetyltransferase

Methemoglobin reductase

Uridine diphosphate glucuronyltransferase

Glucose 6-phosphate dehydrogenase

Pseudocholinesterase

‹ Назад

Далі ›

An 18-year-old student presents with enlarged thyroid gland accompanied by accelerated metabolism and increased heart rate. These signs can be observed during hypersecretion of thyroxin. What organelles of thyroid cells are primarily responsible for hormone production and secretion?

Lysosomes

Mitochondria

Ribosomes

Golgi apparatus

Centrosomes

‹ Назад

Далі ›

A patient complains of pain in the upper umbilical region. On palpation there is a mobile painful intestine. What intestine is being palpated by the doctor?

Transverse colon

Duodenum

Jejunum

Ileum

Sigmoid colon

‹ Назад

Далі ›

A laboratory experiment on a dog was used to study central parts of auditory system. One of the mesencephalon structures was destroyed. The dog has lost the orienting response to auditory signals. What structure was destroyed?

Inferior colliculi of corpora quadrigemina

Red nucleus

Reticular formation nuclei

Substantia nigra

Superior colliculi of corpora quadrigemi-na

‹ Назад

Далі ›

Histological investigation of the uterine scrape of the 45-year-old woman with disturbed ovarian menstrual cycle revealed increased number of endometrial glands, some of which are serrated, while others are dilated and cyst-like. Make the diagnosis:

Glandular endometrial polyp

Placental polyp

Endometrial adenocarcinoma

Atypical endometrial hyperplasia

Endometrial cystic glandular hyperplasia

‹ Назад

Далі ›

A 45-year-old man diagnosed with hepatic cirrhosis and ascites underwent drainage of 5 liters of fluid from his abdominal cavity, which resulted in development of syncopal state due to insufficient blood supply to the brain. What circulatory disorder occurred in the abdominal cavity in this case?

Thrombosis

Embolism

Venous hyperemia

Arterial hyperemia

Ischemia

‹ Назад

Далі ›

During cholecystectomy besides a. cystyca another artery was pulled into the ligature. Ligation of this artery resulted in right-sided necrosis of the liver which led to the death of the patient. What artery was mistakenly ligated along with a. cystyca?

А. hepatica communis

Ramus dexter a. hepatica propria

А. pancreato-duodenalis sup

Ramus sinister a. hepatica propria

А. gasro-duodenalis

‹ Назад

Далі ›

Microscopy of the puncture sample obtained from the inflammation focus of the patient with cutaneous abscess revealed numerous blood cells of different types. What cells are the first to transfer from vessels to tissues during inflammation?

Eosinophils

Lymphocytes

Neutrophils

Monocytes

Basocytes

‹ Назад

Далі ›

During the first year of life an infant presents with disturbed process of breast milk curdling. What cells of the proper gastric glands are functionally disturbed?

Accessory mucous cells

Exocrinocytes

Main exocrinocytes

Parietal exocrinocytes

Cervical mucous cells

‹ Назад

Далі ›

A lab rat has subcutaneously received mercury(II) chloride in the amount of 5 mg/kg. 24 hours later the plasma creatinine concentration increased several times. What mechanism of retention azotemia is observed in this case?

Increased creatinine production in the renal tubules

Increased glomerular filtration

Decreased glomerular filtration

Increased creatinine production in the muscles

Increased creatinine reabsorption

‹ Назад

Далі ›

Collagenosis patients typically present with connective tissue destruction processes. The presence of these processes can be confirmed by the increase in:

Blood urates

Transaminase activity in the blood

LDH-isoenzyme activity in the blood

Blood oxyproline and oxylysine

Blood creatine and creatinine

‹ Назад

Далі ›

A 63-year-old man suffers from esophageal carcinoma, presents with metastases into the mediastinal lymph nodes and cancerous cachexia. What pathogenetic stage of neoplastic process is observed in the patient?

Progression

Promotion

Transformation

Initiation

-

‹ Назад

Далі ›

After an X-ray examination of the tuberculosis clinic patient, he was diagnosed with tumor of the right lung. During operation the surgeon removed the middle lobe of the patient’s right lung. This lobe includes:

Segmentum basale anterius et posterius

Segmentum apicale (superius) et segmentum basale mediale

Segmentum laterale et segmentum mediate

Segmentum anterius et segmentum apicale

Segmentum lingualare superius et inferius

‹ Назад

Далі ›

A 2-year-old child presents with physical retardation and frequent pneumonias. The child was diagnosed with non-closure of the arterial canal. Hemodynamics disturbance in this case is caused by communication between the:

Pulmonary trunk and pulmonary veins

Superior vena cava and pulmonary trunk

Aorta and pulmonary veins

Superior vena cava and aorta

Aorta and pulmonary trunk

‹ Назад

Далі ›

A child diagnosed with purulent inflammation of the middle ear was brought to the otolaryngology department. The disease started with the inflammation of the nasopharynx. It was determined that the infection had reached the tympanic cavity through the eustachian tube that is located in the:

Сanaliculus tympanicus

Сanaliculi carotim tympanici

Сanalis caroticus

Сanaliculus chordae tympani

Canalis musculotubarius

‹ Назад

Далі ›

During the prestart period an athlete develops increased frequency and force of cardiac contractions. These changes are caused by intensification of the following reflex responces:

Peripheral

Sympathetic conditioned

Parasympathetic unconditioned

Sympathetic unconditioned

Parasympathetic conditioned

‹ Назад

Далі ›

Due to trauma the patient has lost 25% of circulating blood volume. Name the emergency compensatory mechanism against blood loss:

Restoration of blood protein composition

Interstitial fluid inflow to the vessels

Restoration of erythrocyte number

Increase of reticulocyte number

Erythropoiesis activation

‹ Назад

Далі ›

ECG analysis of the patient shows that the T waves are positive in the second standard limb lead and their amplitude and duration is normal. The conclusion can be made that the following process occurs normally in the patient’s ventricles:

Depolarization

Excitation

Contraction

Relaxation

Repolarization

‹ Назад

Далі ›

A patient demonstrates sharp decrease of pulmonary surfactant activity. This condition can result in:

Increased pulmonary ventilation

Decreased work of expiratory muscles

Alveolar tendency to recede

Hyperoxemia

Decreased airways resistance

‹ Назад

Далі ›

After a case of common cold the patient developed numbness of the right side of the face. Examination revealed disturbed pain and thermal sensitivity in the right half of the face. What nerve was damaged?

Glossopharyngeal

Vagus

Trigeminal

Hypoglossal

Facial

‹ Назад

Далі ›

X-ray exmination of a 57-year-old man indicates local areas of hard bone tissue resorption in some of the patient’s bones. These changes can be associated with increased activity of:

Osteoclasts

Osteocytes

Chondrocytes

Osteoblasts

Chondroblasts

‹ Назад

Далі ›

A patient presents with acute attack of cholelithiasis. Laboratory examination of the patient’s feces will show the following in this case:

Negative reaction to stercobilin

Starch granules

Connective tissue

Positive reaction to stercobilin

Partially digested cellulose

‹ Назад

Далі ›

During autopsy of a 34-year-old man, who died of chronic kidney failure due to renal amyloidosis, in the lungs (mainly in the lower lobes) the pathologist detected multiple bronchial dilations filled with purulent masses accumulated in the bronchial lumen. Surface of the lungs section has fine-meshed pattern and resembles a honeycomb. Histologically there is a chronic inflammation detected in the bronchial wall, muscle fibers are replaced with connective tissue. These changes in the lungs can be defined as:

Bronchopneumonia

Chronic pneumonia

Chronic bronchitis

Bronchiectases

Lung abscesses

‹ Назад

Далі ›

Initial inoculation of water in 1% peptone water resulted in growth of a thin film on the medium surface in 6 hours. Such cultural properties are characteristic of causative agent of the following disease:

Dysentery

Pseudotuberculosis

Cholera

Plague

Tuberculosis

‹ Назад

Далі ›

A 30-year-old man complains of suffocation, heaviness in the chest on the right, general weakness. Body temperature is 38.9oC. Objectively the right side of the chest lags behind the left side during respiration. Pleurocentesis yielded exudate. What is the leading factor of exudation in the patient?

Increased blood pressure

Increased permeability of the vessel wall

Hypoproteinemia

Decreased resorption of pleural fluid

Erythrocyte aggregation

‹ Назад

Далі ›

A 42-year-old man with gout presents with high content of uric acid in blood. The patient was prescribed allopurinol to lower the concentration of uric acid. Allopurinol is a competitive inhibitor of the following enzyme:

Xanthine oxidase

Adenine phosphoribosyltransferase

Adenosine deaminase

Guanine deaminase

Hypoxanthine phosphoribosyltransferase

‹ Назад

Далі ›

Autopsy revealed a large wedge-shaped patch of a dense dark red tissue with clear margins in the upper lobe of the right lung. Histological examination detected there necrosis of the alveolar walls; the alveolar lumen is tightly packed with erythrocytes. What process occurred in the lungs?

Hemorrhagic infarction

Carneous degeneration

Atelectasis

Hemorrhage

Gangrene

‹ Назад

Далі ›

A patient complains of dizziness, thirst, difficult swallowing, and impaired vision of close objects. Objectively: respiratory rate is increased, pupils are dilated, general agitation, talkativeness, though the speech is indistinct. BP is 110/70 mm Hg, heart rate is 110/min. Given symptoms can indicate overdosage of the following drug:

Atropine

Morphine

Ephedrine

Caffeine

Aminazine

‹ Назад

Далі ›

A patient presents with indigestion, stomachaches, and excessive salivation. Similar simptoms had already been observed in this patient previously. Laboratory analysis detected oval eggs covered with lumpy capsules in the patient’s feces. What is the most likely cause of the patient’s disorder?

Enterobiasis

Diphyllobothriasis

Fascioliasis

Ascariasis

Trichocephaliasis

‹ Назад

Далі ›

Regional lymph nodes surrounding an infected wound are enlarged. Histological examination shows increased number of macrophages, lymphocytes, and lymphatic follicles, as well as a large amount of plasma cells, in the cortical layer of the lymph nodes. What process in the lymph nodes is indicated by these histologic changes?

Acquired deficiency of lymphoid tissue

Neoplastic aberration

Antigen stimulation

Transplant rejection

Congenital deficiency of lymphoid tissue

‹ Назад

Далі ›

During removal of the hyperplastic thyroid gland of a 47-year-old woman, the parathyroid gland was damaged. One month after the surgery the patient developed signs of hypoparathyroidism: frequent convulsions, hyperreflexia, laryngospasm. What is the most likely cause of the patient’s condition?

Hyperkalemia

Hypocalcemia

Hyponatremia

Hyperchlorhydria

Hypophosphatemia

‹ Назад

Далі ›

On examination the patient presents with hirsutism, moon-shaped face, stretch marks on the abdomen. BP is 190/100 mm Hg, blood glucose is 176 mmol/L. What pathology is such clinical presentation characteristic of?

Gonadal hypofunction

Hyperfunction of the insular apparatus

Hyperthyroidism

Adrenocortical hyperfunction

Hypothyroidism

‹ Назад

Далі ›

A 45-year-old woman presents with breast cancer. Metastases can spread in this case to the following regional lymph nodes:

Aortic, mediastinal

Cervical, parasternal

Abdominal, cervical

Parasternal, mediastinal

Axillary, parasternal

‹ Назад

Далі ›

A 40-year-old pregnant woman underwent amniocentesis. Examination determined the fetal karyotype to be 47, XY+21. What fetal pathology was detected?

Klinefelter syndrome

Down syndrome

Phenylketonuria

Patau syndrome

Turner syndrome

‹ Назад

Далі ›

A patient used an indirect-acting adrenergic agonist to treat rhinitis. After the patient has been putting in the nose drops for several days, the vasoconstrictive effect of the drug gradually diminished. Name this phenomenon:

Cumulation

Tachyphylaxis

Idiosyncrasy

Teratogenicity

Allergy

‹ Назад

Далі ›

In a township there was registered an outbreak of hepatitis, which had supposedly spread through the water supply. What hepatitis virus could be the cause of the outbreak in this township?

Hepatitis D virus

Hepatitis C virus

Hepatitis B virus

Hepatitis E virus

Hepatitis G virus

‹ Назад

Далі ›

A medical student was hospitalized into the infectious diseases unit on the 2nd day after the disease onset; the patient is suspected to have infectious mononucleosis. What results of laboratory analysis can confirm this diagnosis immediately on the day of the hospitalization?

Fourfold increase in number of antibodies to Epstein-Barr virus was detected

IgM antibodies to herpes simplex virus were detected

Cytomegalovirus antibodies were detected

IgM antibodies to Epstein-Barr virus were detected

Herpesvirus was isolated

‹ Назад

Далі ›

A 64-year-old woman presents with disturbed fine motor function of her fingers, marked muscle rigidity, and tremor. The neurologist diagnosed her with Parkinson’s disease. What brain structures are damaged resulting in this disease?

Substantia nigra

Reticular formation

Red nuclei

Cerebellum

Thalamus

‹ Назад

Далі ›

A 20-year-old young man with tall stature, asthenic body type, signs of hypogonadism and gynecomastia, and low sperm count (azoospermia) has karyotype 48. XXY. What hereditary syndrome can be characterized by this chromosomal anomaly?

Wiskott-Aldrich syndrome

Klinefelter syndrome

Louis-Bar syndrome (ataxia-telangiectasia)

Down syndrome

Turner syndrome

‹ Назад

Далі ›

Pathogenic staphylococcus was obtained from the purulent wound of the patient. Its antibiotic sensitivity was determined to be as follows: penicillin growth inhibition zone - 8 mm; oxacillin 9 mm, ampicillin - 10 mm, gentamicin - 22 mm, lincomycin - 11 mm. What antibiotic should be chosen for treatment in this case?

Ampicillin

Gentamicin

Lincomycin

Penicillin

Oxacillin

‹ Назад

Далі ›

A patient presents with dilated blood vessels of the anterior medial surface of the lower leg. This condition resulted from the dilation of the following blood vessel:

А. tibialis posterior

А. tibialis anterior

V saphena parva

V saphena magna

V. poplitea

‹ Назад

Далі ›

A patient, who had received a thermal burn, developed painful boils filled with turbid liquid on the skin. What morphological type of inflammation has developed in the patient?

Diphtheritic

Proliferative

Granulomatous

Serous

Croupous

‹ Назад

Далі ›

Nitrogen is being excreted from the body mainly as urea. When activity of a certain enzyme in the liver is low, it results in inhibition of urea synthesis and nitrogen accumulation in blood and tissues. Name this enzyme:

Aspartate aminotransferase

Urease

Amylase

Pepsin

Carbamoyl phosphate synthetase

‹ Назад

Далі ›

Coronary artery thrombosis resulted in development of myocardial infarction. What mechanisms of cell damage are leading in this disease?

Acidotic

Electroosmotic

Calcium

Lipid

Protein

‹ Назад

Далі ›

People, who for a long time remained in hypodynamic state, develop intense pain in the muscles after a physical exertion. What is the most likely cause of this pain?

Accumulation of creatinine in muscles

Intensive breakdown of muscle proteins

Increased content of ADP in muscles

Accumulation of lactic acid in muscles

Decreased content of lipids in muscles

‹ Назад

Далі ›

Histological specimen shows organ parenchyma to consist of lymphoid tissue that forms lymph nodules; the nodules are located diffusely and have a central artery. What anatomical structure has such morphological characteristics?

Lymph node

Red bone marrow

Tonsil

Thymus

Spleen

‹ Назад

Далі ›

A 25-year-old woman complains of visual impairment. Examination revealed disturbed eye accommodation, the pupil is dilated and unresponsive to light. What muscles are functionally disturbed in this case?

Iris dilator muscle, ciliary muscle

Lateral rectus muscle, iris sphincter muscle

Superior oblique muscle, ciliary muscle

Iris sphincter and iris dilator muscles

Iris sphincter muscle, ciliary muscle

‹ Назад

Далі ›

A patient with hypochromic anemia has hair with split ends and suffers from hair loss. The nails are brittle. Gustatory sensations are affected. What is the mechanism of development of these symptoms?

Iron enzymes deficiency

Vitamin B12 deficiency

Low production of parathyroid hormone

Low production of thyroid hormones

Vitamin A deficiency

‹ Назад

Далі ›

A patient suffers from hepatic cirrhosis. What substance excreted in urine should be analyzed to characterize the antitoxic function of liver?

Creatinine

Hippuric acid

Amino acids

Ammonium salts

Uric acid

‹ Назад

Далі ›

A 65-year-old woman, who had been suffering from deep vein thrombophlebitis of the lower leg, suddenly died when awaiting her appointment with the doctor. Autopsy revealed loose friable red masses with corrugated dull surface in the main pulmonary artery and its bifurcation. What pathologic process was discovered by the pathologist in the pulmonary artery?

Tissue embolism

Fat embolism

Foreign body embolism

Thrombosis

Thromboembolism

‹ Назад

Далі ›

Blood of the patients with diabetes mellitus shows increased content of free fatty acids. Name the most likely cause of this:

Decreased activity of plasma phosphatidylcholine-cholesterol-acyltransferase

Activation of ketone bodies utilization

Accumulation of palmitoyl-CoA in cytosol

Increased activity of adipose triglyceride lipase

Activation of apoА1, apoА2, and apoА4 apolipoprotein synthesis

‹ Назад

Далі ›

Representatives of a certain human population can be characterized by elongated body, height variability, decreased volume of muscle mass, increased length of limbs, decreased size and volume of rib cage, increased perspiration, decreased indices of base metabolism and fat synthesis. What type of adaptive evolution is it?

Intermediate

Arctic

Mountain

Tropical

Moderate

‹ Назад

Далі ›

A 56-year-old man complains of thirst and frequent urination. The endocrinologist diagnosed this patient with diabetes melli-tus and prescribed him glibenclamide. What mechanism of action does this drug have?

Facilitates glucose transport through cell membranes

Inhibits glucose absorption in the intestine

Facilitates glucose uptake by the tissues

Suppression of а-cells of islets of Langerhans

Stimulation of в-cells of islets of Langerhans

‹ Назад

Далі ›

Patients with bile duct obstruction typically present with inhibited blood clotting and develop hemorrhages due to insufficient assimilation of vitamin:

K

C

E

A

D

‹ Назад

Далі ›

A test animal receives electrical impulses that irritate the sympathetic nerve that innervates blood vessels of the skin. What reaction will it cause in the blood vessels?

Arterial and venous dilation

No reaction

Arterial and venous constriction

Arterial dilation

Venous dilation

‹ Назад

Далі ›

Examination of the coronary arteries revealed atherosclerotic plaques with calcinosis that narrow the arterial opening by 1/3. In the muscle there are numerous whitish layers of connective tissue. Name the process detected in the myocardium:

Diffuse cardiosclerosis

Tiger heart

Myocarditis

Myocardial infarction

Postinfarction cardiosclerosis

‹ Назад

Далі ›

A person has increased pulmonary ventilation due to physical exertion. What indicator of external respiration will be significantly increased compared to the resti- ng state?

Expiratory reserve volume

Inspiratory reserve volume

Total lung capacity

Vital lung capacity

Respiratory volume

‹ Назад

Далі ›

The carotid bodies on both sides were removed in a test animal. Which of the listed factors WILL NOT be able to cause hyperventilation in the test animal?

Hypoxemia

Hypercapnia

Physical exertion

Acidosis

Increase of core body temperature

‹ Назад

Далі ›

Due to prolonged stay in the mountains at the altitude of 3000 m above the sea level, a person developed increased oxygen capacity of blood, which was directly caused by intensified production of:

2 ,3-bisphosphoglycerate

Erythropoietins

Carbaminohemoglobin

Catecholamines

Leukopoietins

‹ Назад

Далі ›

A woman has been limiting the amount of products in her diet to lose some weight. 3 months later she developed edemas and her diuresis increased. What dietary component deficiency is the cause of this?

Fats

Minerals

Proteins

Carbohydrates

Vitamins

‹ Назад

Далі ›

A microslide of the lung tissue sample taken from a patient with pneumonia shows damage to the cells that carry out respiratory function. What cells of the alveolar wall are damaged?

Type 1 alveolar cells

Macrophages

Lymphocytes

Type 2 alveolar cells

Club cells

‹ Назад

Далі ›

After a psychic trauma a woman developed periodical increases in her blood pressure accompanied by headache, palpitations, and general weakness. What mechanism of hypertension development does this woman have?

Increased circulating blood volume

Decreased cardiac output

Tachycardia

Increased arteriolar tone

Venoconstriction

‹ Назад

Далі ›

An electron micrograph of a nephron segment shows cuboidal cells with ciliated lining on their apical surfaces; their basal surfaces have basal striation with mitochondria located between the cytolemma invaginations. Name the described nephron segment:

Glomerular capsule

Proximal tubule

Thin limbs of Henle’s loop

Collecting ducts

Distal tubule

‹ Назад

Далі ›

A patient has been taking bisacodyl for a long time to treat chronic constipation. However, several weeks later the aperient effect of the drug diminished. What is the possible cause of this?

Functional cumulation

Sensitization

Drug dependence

Acquired tolerance

Material cumulation

‹ Назад

Далі ›

A force generated by the muscle is not enough to lift a load. What type of muscle contraction occurs in this case?

Concentric

Isotonic

Eccentric

Isometric

Tetanic

‹ Назад

Далі ›

Condition of a patient with diabetes mellitus sharply deteriorated after a regular injection of insulin. The patient became anxious and broke out in cold sweat; tremor of the extremities, general weakness, and dizziness appeared. What medicine can remove these symptoms?

Caffeine

Glibutid (Buformin)

Adrenaline

Tolbutamide

Noradrenaline

‹ Назад

Далі ›

Microscopy of the myocardium of a girl, who died of diphtheria due to heart failure, shows fatty degeneration, multiple foci of cardiomyocytes necrosis, and small foci of cellular infiltrates in the interstitium. What type of myocarditis is it?

Focal exudative

Alterative

Granulomatous

Interstitial

Diffuse exudative

‹ Назад

Далі ›

A schizophrenia patient was prescribed aminazine. What pharmacodynamic action of this drug is the grounds for its prescription in this case?

Antipsychotic

Hypotensive

Antiemetic

Muscle relaxant

Hypothermic

‹ Назад

Далі ›

A 40-year-old man developed skin redness and swelling in the neck area, where eventually a small abscess appeared. On section the focus is dense and yellow-green colored. In the purulent masses there are white granules. Histologically there are fungal druses, plasma and xanthome cells, and macrophages detected. Specify the most correct etiological name of this pathological process:

Carbuncle

Leprosy

Actinomycosis

Furuncle

Syphilis

‹ Назад

Далі ›

A patient was hospitalized into the infectious diseases unit on the 11th day since the disease onset and provisionally diagnosed with typhoid fever. What biological material should be collected from the patient for the analyzes at this stage?

Feces

Urine

Blood serum

Roseola secretion

Bile

‹ Назад

Далі ›

A man with ischemic heart disease has been taking his medicine too often throughout a day, which resulted in poisoning. Examination detects cyanosis of skin and mucosa, sharp drop of blood pressure, tachycardia, and respiratory depression. Blood methemoglobin is high. What type of medicine did the patient overdose on?

Myotropic antispasmodics

a-adrenergic blockers

Adenosine-based drugs

Organic nitrates

Calcium channel blockers

‹ Назад

Далі ›

General structure of eukaryotic genes is as follows: exon-intron-exon. Such functional structure of a gene leads to certain specifics of the transcription process. What sequence will correspond with precursor mRNA (immature)?

Exon-exon-intron

Exon-intron

Exon-intron-exon

Exon-exon

Intron-exon

‹ Назад

Далі ›

Atria of a test animal were superdi-stended with blood, which resulted in decreased reabsorption of Na+ and water in renal tubules. This can be explained by the effect of the following factor on the kidneys:

Aldosterone

Angiotensin

Vasopressin

Renin

Natriuretic hormone

‹ Назад

Далі ›

A patient with clinical signs of a primary immunodeficiency has functionally disturbed mechanism of antigen-presentation to the immunocompetent cells. What cells are likely to have structural defects?

Fibroblasts

Macrophages, monocytes

T-lymphocyte

B-lymphocyte

O-lymphocytes

‹ Назад

Далі ›

During intensive muscle work there is a large amount of ammonia produced in the muscles. What amino acid plays the main role in the transportation of ammonia to the liver and participates in gluconeogenesis reactions?

Ornithine

Aspartate

Arginine

Alanine

Lysine

‹ Назад

Далі ›

Encephalopathy has developed in a child with hemolytic disease of the newborn. What substance had increased in the child’s blood, resulting in damage to the CNS?

Unconjugated bilirubin

Bile acids

Verdohemoglobin

Bilirubin-albumin complex

Bilirubin glucuronide

‹ Назад

Далі ›

Renal examination shows the kidney to be swollen and plethoric, with easily removable capsule. Renal pelvis and calyces are dilated and filled with turbid urine; their mucosa is dull and has hemorrhagic foci. On section the renal tissue is variegated, there are yellow-gray areas surrounded with plethoric and hemorrhagic zone. What di- sease can be characterized by such results of macroscopic examination?

Acute pyelonephritis

Polycystic kidney

Acute glomerulonephritis

Nephrolithiasis

Renal amyloidosis

‹ Назад

Далі ›

A 54-year-old man complains of general weakness, frequent colds, and bruises constantly appearing on his body. Blood test: erythrocytes - 2.5 • 1012/L; Hb- 80 g/L; color index - 0.9; reticulocytes - absent; platelets - 50 • 109/L; leukocytes - 58 • 109/L; leukogram: basocytes 5%, eosinophils -15%, myeloblasts - 6%, myelocytes - 10%, juvenile - 18%, stab neutrophils 26 %, segmented neutrophils - 10%, lymphocytes - 8%, monocytes - 2%, ESR - 40 mm/hour. What hematologic conclusion can be made?

Basophilic eosinophilic leukocytosis

Myeloblastic leukemia

Chronic lymphocytic leukemia

Chronic myelogenous leukemia

Leukemoid response

‹ Назад

Далі ›

A mutation has occurred in a cell in the first exon of the structural gene. The number of nucleotide pairs changed from 290 to 250. Name this type of mutation:

Inversion

Translocation

Nullisomy

Deletion

Duplication

‹ Назад

Далі ›

The dorsal root of the spinal nerve of a test animal was severed. What changes will occur in the innervation area?

Loss of sensitivity and motor function

Increased muscle tone

Decreased muscle tone

Loss of motor function

Loss of sensitivity

‹ Назад

Далі ›

Due to destruction of certain structures of the brainstem a test animal has lost its orientation reflexes in response to strong light stimuli. What structures were destroyed?

Red nuclei

Anterior quadrigeminal bodies

Substantia nigra

Vestibular nuclei

Posterior quadrigeminal bodies

‹ Назад

Далі ›

A toxin neutralized with 0.4% formaldehyde under 37-40oC for 4 weeks is used for vaccination. This preparation was first used by Gaston Ramon for diphtheria prevention. Name this preparation:

Inactivated vaccine

Antitoxic serum

Adjuvant

Immunoglobulin

Anatoxin

‹ Назад

Далі ›

24 hours after an appendectomy the patient’s blood test shows neutrophilic leukocytosis with a regenerative shift. What is the most likely mechanism of absolute leukocytosis development in the patient’s peripheral blood?

Deceleration of leukocyte migration to the tissues

Intensification of leukopoiesis

Leukocyte redistribution

Immunity activation

Decreased leukocyte disintegration

‹ Назад

Далі ›

The right leg of a 40-year-old woman measured at the shin level is by 2 cm smaller in the diameter than the left leg. Ankle-jerk (Achilles) and knee-jerk reflexes are absent on the right. What is the most likely mechanism of hyporeflexia development during peripheral paralysis?

Disturbed synaptic impulse transmission

Disturbed perception of stimulation

Activation of excitatory impulses from the CNS

Inhibition of pyramidal motoneuron

Disturbed conduction of stimulation

‹ Назад

Далі ›

A 38-year-old man, who has been suffering from systemic lupus erythematosus for 3 years, developed diffuse renal lesions accompanied by massive edemas, marked proteinuria, hyperlipidemia, and dysproteinemia. What is the most likely mechanism of proteinuria develoment in this case?

Morbid affection of the urinary tracts

Increased blood proteins

Inflammatory damage to the nephrons

Autoimmune damage to the nephrons

Ischemic damage to the tubules

‹ Назад

Далі ›

A 59-year-old man, a business manager, developed intense burning retrosternal pain that irradiates to the left arm. The pain occurred in the evening after the tax audit. 15 minutes later the patient’s condition normalized. What mechanism of angina pectoris development is leading in this patient?

Intravascular aggregation of blood cells

Coronary atherosclerosis

Increased level of blood catecholamines

Coronary artery thrombosis

Functional cardiac overload

‹ Назад

Далі ›

A 25-year-old woman at her third pregnancy with impending miscarriage was brought to the hospital. What combination of Rh-factor of the mother and the fetus can be the cause of this condition?

Mother Rh (+), fetus Rh (-)

-

Mother Rh (-), fetus Rh (-)

Mother Rh (+), fetus Rh (+)

Mother Rh (-), fetus Rh (+)

‹ Назад

Далі ›

A specimen of a 10-day-old human embryo shows two interconnected sacs (amniotic and yolk sacs). Name the structure located in the place where these two sacs connect:

Embryonic shield

Amniotic stalk

Extraembryonic mesoderm

Roof of the amniotic sac

Floor of the amniotic sac

‹ Назад

Далі ›

A woman with the III (В), Rh (-) blood group gave birth to a child with the II (А) blood group. The child is diagnosed with hemolytic disease of newborn caused by rhesus incompatibility. What blood group and Rh does the father have?

II (А), Rh (+)

III (B), Rh (+)

I (0), Rh (+)

II (A), Rh (-)

I (0), Rh (-)

‹ Назад

Далі ›

A 40-year-old woman suffers from Cushing’s disease - steroid diabetes. On biochemical examination she has hyperglycemia and hypochloremia. What process activates in the first place in such patients?

Gluconeogenesis

Glucose transport to the cells

Glycogenolysis

Glycolysis

Glucose reabsorption

‹ Назад

Далі ›

A patient with a chemical burn has developed esophageal stenosis. The patient presents with acute weight loss due to problematic food intake. Blood test: erythrocytes - 3.0 • 1012/L, Hb-106 g/L, total protein - 57 g/L. What type of starvation does this patient suffer from?

Incomplete starvation

Water starvation

Complete starvation

Protein starvation

Absolute starvation

‹ Назад

Далі ›

Autopsy of the body of a man, who for a long time had been working at the factory with high content of silicon dioxide in the air, revealed enlarged dense lungs with numerous round and oval sclerotic foci. The foci were miliary and larger in size and colored gray or gray-black. What is the most likely diagnosis?

Nodular silicosis

Silicoanthracosis

Asbestosis

Diffuse sclerotic silicosis

Anthracosilicosis

‹ Назад

Далі ›

Autopsy of the body of a 50-year-old man, who had been suffering from tuberculosis and died of cardiopulmonary decompensation, shows lobar affection of the lungs: the upper lobe of the right lung is enlarged, dense, yellow on section, crumbling, with pleural fibrin deposition. What type of secondary tuberculosis can be characterized by this pathology?

Infiltrative tuberculosis

Acute focal tuberculosis

Caseous pneumonia

Fibrous focal tuberculosis

Tuberculoma

‹ Назад

Далі ›

A woman has come to the hospital with complaints of general weakness, dizziness, and dyspnea. Resently she has been taking levomycetin (chloramphenicol) for prevention of enteric infection. Blood test: erythrocytes - 1.9 • 1012/L, hemoglobin - 58 g/L, color index - 0.9, leukocytes - 2.2 G/L, reticulocytes - 0.3%. What type of anemia is it indicative of?

Iron-deficiency

Aplastic

Hemolytic

Hypoplastic

Metaplastic

‹ Назад

Далі ›

Preoperative examination revealed prothrombin deficiency in the blood of the patient. What drug should be preliminarily prescribed to mitigate blood loss in the patient during the surgery?

Phenylin (Phenindione)

Aminocapronic acid

Contrykal (Aprotinin)

Vicasol (Menadione)

Thrombin

‹ Назад

Далі ›

A patient with streptococcal infection of the gingiva was prescribed a drug with в-lactam ring in its structure. What drug of those listed below belongs to this pharmacological group?

Rifampicin

Levomycetin (Chloramphenicol)

Erythromycin

Streptomycin sulfate

Benzylpenicillin

‹ Назад

Далі ›

A microslide of the skin sample taken from the finger of a child shows that epidermis is insufficiently developed. What germ layer was damaged in the process of embryo development?

Ectomesenchyme

Ectoderm

Mesoderm

Endoderm

Mesenchyme

‹ Назад

Далі ›

Neutralization of xenobiotics and active endogenous metabolites often occurs via introduction of an oxygen atom into the substrate molecule. What process occurs as the result?

Phosphorilation

Deaminization

Transamination

Decarboxylation

Hydroxylation

‹ Назад

Далі ›

In the process of an experiment, vascular resistance to the blood flow was measured in the different areas of circulatory system. The highest resistance was detected in the:

Arterioles

Arteries

Veins

Venules

Capillaries

‹ Назад

Далі ›

A 34-year-old man died in a comatose state. According to his family after a business trip to an African country he developed periodical jaundice attacks. Autopsy shows the following: dense enlarged spleen with slate-black pulp; enlarged plethoric liver, gray-black on section; cerebral gray matter is brown-gray; cerebral white matter contains numerous small hemorrhages. What infectious disease can be suspected?

Prion infection

Generalized cryptococcosis

Generalized herpetic infection

Malaria

Meningococcemia

‹ Назад

Далі ›

What diagnostic method should be used in industry to test the raw leather for presence of B. antracis?

Serological test

Microscopy with Burry-Gins stain

Microscopy with Aujeszky stain

Bacteriological analysis

Ascoli’s thermo precipitation test

‹ Назад

Далі ›

A 46-year-old patient suffering from ulcer disease of the stomach is diagnosed with rheumatoid arthritis. What antiinflammatory drug would be the most advisable in this case?

Prednisolone

Analgin (Metamizole)

Celecoxib

Promedol (Trimeperidine)

Paracetamol

‹ Назад

Далі ›

A patient with myocardial infarction has acute heart failure. Among the drugs that increase the force of heart contractions the least dangerous in this case will be:

Euphyllin (Aminophylline)

Adrenaline

Isadrinum (Isoprenaline)

Caffeine

Dobutamine

‹ Назад

Далі ›

During intensive physical exertion, one of the energy sources for the working muscles is glucose produced as the result of gluconeogenesis. This process is the most intensive in the following organ:

Liver

Lungs

Brain

Stomach

Muscles

‹ Назад

Далі ›

During inflienza epidemic, morbidity in the schoolchildren, who did not participate in sports, was 40%, while in the schoolchildren, who engaged in regular physical aci-vities, morbidity did not exceed 20%. What adaptation mechanism ensured low morbidity in the physically active schoolchildren?

Genetic adaptation

Cross-adaptation

Physiological adaptation

Biochemical adaptation

Specific adaptation

‹ Назад

Далі ›

Monoamine oxidase inhibitors are widely used as psychopharmacological drugs. They change the level of nearly all neurotransmitters in synapses, with the following neurotransmitter being the exception:

Dopamine

Noradrenaline

Serotonin

Acetylcholine

Adrenaline

‹ Назад

Далі ›

A 17-year-old girl suffers from periodical palpitations that last several minutes. Her heart rate is 200/min., rhythmic. What heart rhythm disorder developed in this patient?

Sinus tachycardia

Atrioventricular block

Sinus bradycardia

Paroxysmal tachycardia

Extrasystole

‹ Назад

Далі ›

Kidney X-ray image obtained by means of pyelography shows that the minor calyces converge to form 2 major calyces that adjoin to the renal pelvis, from which the ureter exits. What type of urinary tract is it?

Cystic

Fetal

Bicornuate

Embryonic

Mature

‹ Назад

Далі ›

A patient has been brought into a surgical ward with an incised wound of the anterior surface of the shoulder in its lower one-third. Flexing function was disturbed in the shoulder and elbow joints, which is caused by the damage to the:

Anconeus muscle

Biceps muscle of the arm

Deltoid muscle

Coracobrachial muscle

Triceps muscle of the arm

‹ Назад

Далі ›

A patient suffers from acute cardiopulmonary failure with pulmonary edema. What diuretic should be prescribed in the given case?

Furosemide

Spironolactone

Acetazolamide (Diacarb)

Hydrochlorothiazide (Dichlothiazidum)

Triamterene

‹ Назад

Далі ›

Ketosis develops in the patients with diabetes mellitus, as the result of activation of fatty acids oxidation processes. What acid-base imbalance can result from accumulation of excessive ketone bodies in the blood?

Respiratory alkalosis

Metabolic alkalosis

No imbalance occurs

Respiratory acidosis

Metabolic acidosis

‹ Назад

Далі ›

A 5-year-old child is diagnosed with Bruton syndrome (X-linked agammaglobulinemia) that manifests itself as severe clinical course of bacterial infections and absence of B lymphocytes and plasma cells. What changes of immunoglobulin content can be observed in blood serum of the child with immunodeficiency?

Increased IgD, IgE

Decreased IgA, IgM

No changes

Increased IgA, IgM

Decreased IgD, IgE

‹ Назад

Далі ›

During the skill-building session in microbiology the students need to stain the prepared and fixed sputum smears obtained form a tuberculosis patient. What staining technique should be used in this case?

Gram

Giemsa

Burry

Gins

Ziehl-Neelsen

‹ Назад

Далі ›

A woman with hypophyseal diabetes insipidus developed a water-mineral imbalance. What type of water-mineral imbalance develops in such cases?

Hyperosmolar hyperhydration

Hyperosmolar dehydration

Hypoosmolar dehydration

Hypoosmolar hyperhydration

Isoosmolar dehydration

‹ Назад

Далі ›

First-year schoolchildren have received tuberculin skin Mantoux test) at the school nurse’s office. The purpose of this test was:

To detect parotitis in the schoolchildren

To measure immunity stress toward diphtheria

To measure allergization rate toward rickettsia

To preventively vaccinate against tuberculosis

To determine the children that need to receive BCG vaccination

‹ Назад

Далі ›

In an experiment it is necessary to assess neuromotor and muscle excitability. What value shoud be measured to make the assessment?

Action potential amplitude

Sensory threshold

Threshold potential

Action potential duration

Resting potential

‹ Назад

Далі ›

Vestibular receptors of semicircular canals of a test animal have been destroyed. What reflexes will disappear as a result?

Head-righting reflex

Statokinetic reflex during movements with angular acceleration

Body-righting reflex

Primary orienting reflex

Statokinetic reflex during movements with linear acceleration

‹ Назад

Далі ›

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

Glomerulonephritis

Necronephrosis

Infarction

Nephrosis

Pyelonephritis

‹ Назад

Далі ›

A boxer had sustained a blow to the left parotid area, after which he developed paralysis of the facial muscles on this side. What nerve had been damaged?

Lesser petrosal

Ophthalmic

Mandibular

Maxillary

Facial

‹ Назад

Далі ›

A patient has an open facial wound with undermined edges; tissue necrosis with gradually developing partial gangrene that nearly reaches the bone tissue is observed. On close examination the wound contains live larvae. The patient is diagnosed with tissue myiasis. What Diptera larvae are the causative agents of this disease?

Phlebotomus pappatachi

Stomoxys calcitrans

Wohlfahrtia magnifica

Glossina palpalis

Musca domestica

‹ Назад

Далі ›

A hereditary disease - homocystinuria - is caused by disturbed transformation of homocysteine into methionine. Accumulated homocysteine forms its dimer (homocystine) that can be found in urine. What vitamin preparation can decrease homocysteine production?

Vitamin PP

Vitamin B2

Vitamin B6

Vitamin C

Vitamin B12

‹ Назад

Далі ›

During hypersensitivity skin test a patient received an allergen subcutaneously, after which the patient developed skin redness, edema, and pain due to histamine action. This biogenic amine is produced as the result of the following transformation of histidine amino acid:

Methylation

Phosphorilation

Decarboxylation

Deaminization

Isomerization

‹ Назад

Далі ›

During the fight a man has received a strong blow to the upper anterior abdominal wall, which resulted in the cardiac arrest. What mechanism has led to the cardiac arrest in this case?

Parasympathetic unconditioned

Parasympathetic conditioned

Peripheral

Sympathetic conditioned

Sympathetic unconditioned

‹ Назад

Далі ›

A woman has lost a lot of blood during the childbirth. Her blood group needs to be determined. Erythrocyte agglutination occurred with standard serums 0 (I) and А (II) and did not occur with standard serum B (III). What blood group does this woman have?

-

А (II)

0 (I )

АВ (IV)

B (III)

‹ Назад

Далі ›

A 60-year-old man diagnosed with chronic heart failure was brought to the hospital. After a long course of treatment the patient developed signs of intoxication: dyspnea, extrasystole, nausea, and disturbed perception of colors. What medicine has caused such side-effects?

Drotaverine

Furosemide

Anaprilin (Propranolol)

Digoxin

Nitroglycerine

‹ Назад

Далі ›

A patient with exacerbated peptic ulcer disease of the stomach has made an appointment with the doctor. What type of drugs should be included in the complex therapy of this patient?

a-adrenergic antagonists

a-adrenergic agonists

H2 antagonists

^-adrenergic antagonists

H1 antagonists

‹ Назад

Далі ›

Autopsy of the body revealed waxy degeneration of the rectus abdominis muscles. In the terminal segment of the small intestine there are ulcers 3-5 cm in diameter. The ulcer walls are covered in a crumbling grayish-white substance. The ulcer edges are markedly raised above the mucosa. Widal test is positive. Make the diagnosis:

Relapsing fever

Nonspecific ulcerative colitis

Typhoid fever

Crohn’s disease

Dysentery

‹ Назад

Далі ›

Genealogical analysis of a child with myotonic dystrophy determined that this disease is present in every generation, equally presented by the relatives of both genders, the risk of inheriting this disease is equal no matter which parent is affected. If one of the parents is heterozygous for this disease and the other parent is healthy, the risk of them giving birth to a sick child is 50%. What type of disease inheritance is it?

Autosomal recessive

Autosomal dominant

Y-linked

X-linked dominant

X-linked recessive

‹ Назад

Далі ›

A 30-year-old man has undergone surgical removal of a thyroid tumor. Histologically the tumor is made up of papillary structures varying in size that emerge from the inner surface of dilated cystic follicles and are covered with atypical epithelium. What is the most likely diagnosis?

Follicular carcinoma

Colloid nodular goiter

Papillary carcinoma

Macrofollicular adenoma

Medullary carcinoma

‹ Назад

Далі ›

A young woman, a foreign student from Tehran, has made an appointment with the urologist. She complains of the sensation of heaviness in her lower abdomen and a small amount of blood being excreted with urine at the end of each urination. Microscopy of urine detects the presence of parasite eggs, approximately 140x70 micron in size, with a terminal spike. What diagnosis can be made by the infectious diseases specialist?

Paragonimiasis

Dicroceliasis

Fascioliasis

Schistosomiasis

Opisthorchiasis

‹ Назад

Далі ›

Various biological preparations can be used for poliomyelitis prevention. What drug induces the type of local intestinal mucosal immunity that lasts the longest?

Parenteral introduction of normal human immunoglobulin

Oral vaccination with live vaccine

Oral introduction of poliovirus-specific immunoglobulin

Parenteral vaccination with inactivated vaccine

Parenteral vaccination with live vaccine

‹ Назад

Далі ›

Histological analysis of a removed skin tumor shows clusters and bands composed of atypical stratified squamous epithelium cells that penetrate into the underlying tissue. What preliminary diagnosis can be made?

Non-keratinizing squamous cell carcinoma

Carcinoma in situ

Adenoma

Papilloma

Solid cancer

‹ Назад

Далі ›

Autopsy of a patient, who died of bilateral bronchopneumonia, shows in the left lung lower lobe a cavity 5 cm in diameter, filled with yellowish-white liquid. What complication of the patient’s pneumonia had developed?

Gangrene

Tuberculoma

Sequestrum

Granuloma

Abscess

‹ Назад

Далі ›

A patient with parkinsonism was prescribed levodopa, which led to rapid improvement of the patient’s condition. What is the mechanism of action of this drug?

Muscarinic acetylcholine receptor stimulation

Stimulation of dopamine synthesis

Anticholinesterase action

Stimulation of dopamine receptors

Muscarinic acetylcholine receptor blockade

‹ Назад

Далі ›

A sick child presents with high content of phenyl pyruvate in urine (normally it is practically absent). Blood phenylalanine level is 350 mg/L (norm -15 mg/L). What disease are these symptoms characteristic of?

Phenylketonuria

Alkaptonuria

Gout

Albinism

Tyrosinosis

‹ Назад

Далі ›

An oncology patient is to undergo a surgery on the descending colon. Name the main source of blood supply to this organ:

Middle colic artery

Inferior mesenteric artery

Splenic artery

Superior mesenteric artery

Celiac trunk

‹ Назад

Далі ›

A patient presents with enlarged cervical lymph nodes. Other lymph nodes and internal organs are without changes. Peripheral blood test results are normal. Histological examination of biopsy material taken from the cervical lymph node shows smoothed-out pattern, absent follicles, homogeneous cell composition represented by lymphoblasts. The cells penetrate into the lymph node capsule. What diagnosis can be made?

Sezary disease

Burkitt lymphoma

Erythroblastic leukemia

Myeloblastic leukemia

Lymphoblastic leukemia

‹ Назад

Далі ›

When studying the pulmonary ventilation values, the reduction of forced expiratory volume has been detected. What is the likely cause of this phenomenon?

Increase of functional residual lung capacity

Obstructive pulmonary disease

Increase of respiratory volume

Increase of inspiratory reserve volume

Increase of pulmonary residual volume

‹ Назад

Далі ›

A man is a carrier of HIV that is an RNA virus. The cells of this patient synthesize viral DNA. This process is based on:

Transcription

Translation

Replication

Repair

Reverse transcription

‹ Назад

Далі ›

Sanitary assessment of a pond, where the children from a recreation summer camp take their swims, detected there oval cysts 50-60 micron in diameter, with 2 nuclei visible in their cytoplasm (macronucleus and micronucleus). What protozoa do these cysts belong to?

Balantidium

Toxoplasma

Amoeba

Euglena

Lamblia

‹ Назад

Далі ›

A hospital has received a 24-year-old man, who had received a penetrating wound to the eye, which has caused the vitreous body to run out. As the result of this, retinal detachment occurred. What retinal layer was tightly adherent to the vascular tunic of the eye and did not detach?

Outer nuclear layer

Inner nuclear layer

Ganglion cell layer

Layer of rods and cones

Retinal pigment epithelium

‹ Назад

Далі ›

A newborn presents with weak suckling, frequent vomiting, and hypotonia. Blood and urine citrulline are very high. What metabolic process is disturbed?

Ornithine cycle

Glycolysis

Gluconeogenesis

Tricarboxylic acid cycle

Cori cycle

‹ Назад

Далі ›

Stool test detects in the patients feces a large amount of undigested fats.This patient is the most likely to have disturbed secretion of the following enzymes:

Gastric protease

Pancreatic amylase

Bile lipase

Pancreatic proteases

Pancreatic lipases

‹ Назад

Далі ›

A 19-year-old young man was examined in the nephrology clinic. High calcium was detected in his secondary urine. What hormone is likely to cause such change, if it is produced in excess?

Oxytocin

Adrenaline

Glucagon

Testosterone

Aldosterone

‹ Назад

Далі ›

A young woman presents with a tumor along the auditory nerve. The tumor is node-shaped, 3 cm in diameter, soft and elastic, pink-white colored, and has homogeneous structure. Microscopically the tumor contains bundles of cells with oval nuclei. These cellular fibrous bundles form regular structures made up of parallel rows of regularly oriented cells arranged in the form of a palisade with acellular homogeneous area in between (Verocay bodies). Name this type of tumor:

Ganglioneuroblastoma

Malignant neurinoma

Neurinoma

Neuroblastoma

Ganglioneuroma

‹ Назад

Далі ›

A patient has undergone surgical removal of the pylorus. Decreased secretion of the following hormone can be expected:

Histamine

Secretin

Gastric inhibitory polypeptide

Cholecystokinin

Gastrin

‹ Назад

Далі ›

An electron micrograph shows a small vessel with endothelial layer but without basement membrane and pericytes; anchoring fibrils are present. Name this vessel:

Sinusoid hemocapillary

Lymph capillary

Visceral hemocapillary

Venule

Arteriole

‹ Назад

Далі ›

One of the causes of pernicious anemia is disturbed synthesis of transcorrin -Castle’s intrinsic factor - by the parietal cells of the stomach. What substance is called Castle’s extrinsic factor?

Folic acid

Pyridoxine

Cobalamin

Biotin

Riboflavin

‹ Назад

Далі ›

A patient with contact dermatitis needs to be prescribed an antihistamine drug without somnolescent effect. Select this drug from the list:

Diprazine (Promethazine)

Suprastin (Chloropyramine)

Dimedrol (Benadryl)

Ranitidine

Loratadine

‹ Назад

Далі ›

Congenital pyruvate carboxylase deficiency causes physical and mental retardation in children and leads to early death. It is characterized by lactic acidemia, lactaci-duria, and a number of metabolic disorders. Among others, inhibition of the following occurs:

Pentose-phosphate pathway and glycolysis

Lipolysis and lipogenesis

Glycogenesis and glycogenolysis

Citric acid cycle and gluconeogenesis

Glycolysis and glycogenolysis

‹ Назад

Далі ›

A woman with enteritis accompanied by severe diarrhea presents with loss of water in the extracellular space, increased water content in the cells, and decreasing blood osmolarity. Name this type of water-electrolyte imbalance:

Hypoosmolar hypohydration

Hyperosmolar hypohydration

Isoosmolar hypohydration

Hypoosmolar hyperhydration

Hyperosmolar hyperhydration

‹ Назад

Далі ›

To stimulate the labor activity a parturient woman was prescribed a drug - a posterior pituitary hormone that does not affect the blood pressure. As the pregnancy progresses, the sensitivity to this hormone increases. Name the prescribed drug:

Dinoprost

Ergotal

Pituitrin

Oxytocin

Dinoprostone

‹ Назад

Далі ›

Cell membrane rest potential changed from -85 to -90 mV It can be caused by activation of the following cell membrane channels:

Potassium

Calcium

Potassium and calcium

Potassium and sodium

Sodium

‹ Назад

Далі ›

Ionizing radiation or vitamin E deficiency affect the cell by increasing lysosome membrane permeability. What are the possible consequences of this pathology?

Intensive protein synthesis

Intensive energy production

Partial or complete cell destruction

Formation of maturation spindle

Restoration of cytoplasmic membrane

‹ Назад

Далі ›

A patient is diagnosed with glucocerebroside lipidosis (Gaucher’s disease) that manifests as splenomegaly, liver enlargement, affected bone tissue, and neuropathies. What enzyme of complex lipid catabolism is deficient, thus causing this disease?

Hexosaminidase

Hyaluronidase

в-galactosidase

Sphingomyelinase

Glucocerebrosidase

‹ Назад

Далі ›

A 3-year-old girl with mental retardation has been diagnosed with sphingomyelin lipidosis ( Niemann-Pick disease). In this condition the synthesis of the following substance is disturbed :

Ceramides

Sphingosine

Sphingomyelinase

Gangliosides

Glycosyltransferase

‹ Назад

Далі ›

A traumatology unit has received a patient with a wrist trauma and a clinical presentation of the damage to the nerve that passes through the carpal tunnel. Name this nerve:

N. ulnaris

N. musculocutaneus

N. axillaris

N. radialis

N. medianus

‹ Назад

Далі ›

A patient, who has been taking ft-adrenergic blockers, developed a bronchial spasm. What group of bronchodilators should be chosen to stop the bronchial spasm?

Cholinesterase inhibitors

Muscarinic cholinomimetic agents

Indirect adrenergic agonists

Myotropic antispasmodics

в-adrenergic blockers

‹ Назад

Далі ›

A man has an inguinal hernia. The hernial sac exits through the following opening:

Anulus femoralis

Anulus superficialis canalis inguinalis

Anulus profundus canalis inguinalis

Foramen suprapiriforme

Linea alba

‹ Назад

Далі ›

After a nephrectomy the patient developed enteroparesis. What cholinergic agent with anticholinesterase action should be prescribed in this case?

Pilocarpine

Acetylcholine

Proserin

Carbacholine

Aceclidine

‹ Назад

Далі ›

Parenchyma of an organ is composed of pseudounipolar neurons localized under the capsule of connective tissue. Central place belongs to nerve fibers. Name this organ:

Spinal ganglion

Spinal cord

Sympathetic ganglion

Nerve trunk

Intramural ganglion

‹ Назад

Далі ›

An obstetrician-gynecologist measures pelvis size of a pregnant woman. A caliper was used to measure the distance between the two iliac crests. What measurement of large pelvis was made?

Distantia throchanterica

Conjugata vera

Distantia spinarum

Conjugata anatomica

Distantia cristarum

‹ Назад

Далі ›

Genetic recombination is achieved via several mechanisms. One such mechanism is crossingover. It occurs at the following stage of prophase in the first meiotic division:

Pachynema

Diplonema

Leptonema

Zygonema

Diakinesis

‹ Назад

Далі ›

ECG of the patient shows increased duration of the QRS complex. What is the most likely cause?

Disturbed conduction in the atrioventricular node

Increased atrial excitability

Increased period of ventricular excitation

Increased atrial and ventricular excitability

Increased period of atrial excitation

‹ Назад

Далі ›

A 50-year-old inpatient during examination presents with glucosuria and blood glucose of 3.0 mmol/L, which are the most likely to be caused by:

Renal disorder

Myxedema

Diabetes insipidus

Pellagra

Essential hypertension

‹ Назад

Далі ›

A 40-year-old woman was diagnosed with glomerulonephritis based on her clinical symptoms and the results of urine analysis. Anamnesis states chronic tonsillitis. What microorganisms are the most likely cause for her kidney damage?

Streptococci

Escherichia

Staphylococci

Meningococci

Mycoplasma

‹ Назад

Далі ›

A 7-year-old child presents with marked signs of hemolytic anemia. Biochemical analysis of erythrocytes determined low concentration of NADPH and reduced glutathione. What enzyme is deficient in this case leading to the biochemical changes and their clinical manifestations?

Glucose-6-phosphate dehydrogenase

Lactate dehydrogenase

Hexokinase

Fructokinase

Pyruvate kinase

‹ Назад

Далі ›

When examining a biopsy material obtained from the thyroid gland, the pathologist discovered lymphocyte infiltration of the thyroid tissues and destruction of the parenchymal elements. Diffuse lymphocyte infiltration with lymphoid follicles was detected in the stroma. What is the most likely diagnosis?

Papillary thyroid cancer

Graves’ disease (toxic diffuse goiter)

Undifferentiated thyroid carcinoma

Hashimoto’s thyroiditis (chronic lymphocytic thyroiditis)

Solid adenoma of the thyroid

‹ Назад

Далі ›

An 8-year-old girl presents with signs of disturbed twilight vision. This condition is caused by the deficiency of vitamin:

K

D

E

A

F

‹ Назад

Далі ›

A 25-year-old young man came to the doctor complaining of general weakness, rapid fatigability, irritability, reduced working ability, and bleeding gums. What vitamin is likely to be deficient in this case?

Folic acid

Thiamine

Retinol

Ascorbic acid

Riboflavin

‹ Назад

Далі ›

A 52-year-old man presents with fever and pain in the joints. Both of his first metatarsophalangeal articulations are deformed, swollen, and reddened. Blood urea is high. The patient is diagnosed with gout. What is the main developmental factor in the pathogenesis of this disease?

Hyperazotemia

Citrullinuria

Hyperaminoacidemia

Argininosuccinic aciduria

Hyperuricemy

‹ Назад

Далі ›

A person with the fourth blood group (genotype IAIB) has in erythrocytes both antigen A controlled by allele IA and antigen B controlled by allele IB. This phenomenon is an example of the following gene interaction:

Complementarity

Semidominance

Epistasis

Polymery

Codominance

‹ Назад

Далі ›

Vascular endothelium is characterized by high metabolic activity and synthesizes vasoactive substances. Among these substances there is a potent vasodilator synthesized from L-arginine. Name this vasodilator:

Bradykinin

Acetylcholine

Histamine

Adrenaline

Nitrogen oxide

‹ Назад

Далі ›

A victim of a traffic accident was received by the intensive care unit. The patient is in a grave condition that can be characterized as a severe pathologic process that leads to exhaustion of vital functions and puts the patient into the marginal state between life and death due to critical reduction of capillary circulation in the affected organs. The patient is in the state of:

Coma

Preagony

Shock

Collapse

Agony

‹ Назад

Далі ›

A person becomes less receptive to pain in physically or emotionally straining situations due to activation of:

Adrenal glands functions

Parasympathetic nervous system

Thyroid gland functions

Antinociceptive system

Nociceptive system

‹ Назад

Далі ›

A patient suffers from posttraumatic hemorrhage that resulted in development of hemorrhagic shock. What volume of circulating blood was lost by the patient?

25-40%

50-75 %

12-25 %

40-50 %

3-20 %

‹ Назад

Далі ›

A patient with pulmonary tuberculosis is prescribed the most effective antituberculous antibiotic. Name this drug:

Streptocide

Rifampicin

Bactrim (Co-trimoxazole)

Tetracycline

Furasolidone

‹ Назад

Далі ›

During surgery performed in abdominal cavity a surgeon located the ligament of liver stretching from the anterior abdominal wall (navel) to the inferior surface of liver. What ligament is it?

Coronary ligament of the liver

Venous ligament of the liver

Triangular ligament of the liver

Falciform ligament of the liver

Round ligament of the liver

‹ Назад

Далі ›

A patient has disturbed blood supply to the anterior papillary muscle of the left ventricle. What cardiac artery supplies this muscle with blood?

Ramus interventricularis anterior

Ramus interventricularis posterior

Ramus marginalis

A. coronaria dextra

Ramus circumflexus

‹ Назад

Далі ›

Autopsy of the body of an elderly man revealed yellow spots' and streaks in the aortic intima and white-yellow protruding plaques in the area of aortic bifurcation. Microscopy (with hematoxylin and eosin staining) shows round cavities in the thickened aortic intima. The cavities color orange when stained with sudan 3 and are surrounded with overgrown connective tissue. What process developed in the aortic intima?

Secondary amyloidosis

Metabolic disorder of cholesterol and cholesterol ethers

Metabolic disorder of neutral fat

Systemic hyalinosis

Local hyalinosis

‹ Назад

Далі ›

An 18-year-old patient has developed candidiasis after the case of pneumonia treated with ^lactam antibiotic. What antimycotic agent should be prescribed?

Phthalylsulfathiazole

Fluconazole

Trimethoprim/sulfamethoxazole (Bi-septol)

Streptomycin

Ampicillin

‹ Назад

Далі ›

Preventive vaccination against poliomyelitis is made with inactivated vaccine introduced parenterally. What immunoglobulins create the postvaccinal immunity in this case?

IgG, secretory IgA

IgM, IgG

Ig£, IgM

Serum ^А, IgM

IgM, secretory IgA

‹ Назад

Далі ›

During pregnancy a woman has been taking an antiepileptic drug - sodium valproate. It resulted in her child developing a vertebral column malformation - spina bifida. Name the described effect of the drug:

Acquired tolerance

Sensitizing effect

Teratogenic effect

Immunosuppressive effect

Dependence

‹ Назад

Далі ›

A patient was prescribed atropine sulfate to treat intestinal colic. What concomitant disease can be a contraindication for this drug?

Vertigo

Hypotension

Sinus bradycardia

Glaucoma

Bronchial asthma

‹ Назад

Далі ›

A patient has developed status epilepti-cus. What medicine should be used in this case to stop the seizures?

Cyclodol (Trihexyphenidyl)

Valerian extract

Sodium bromide

Diazepam

Diprazine (Promethazine)

‹ Назад

Далі ›

A 48-year-old man is unconscious. He has a history of several syncopal episodes with convulsions. ECG shows deformed QRS complexes unconnected with P waves, atrial contractions are approximately 70/min., ventricular contractions -25-30/min. Name the type of arrhythmia in this case:

First-degree atrioventricular block

Intraventricular block

Second-degree atrioventricular block

Complete atrioventricular block

Intraatrial block

‹ Назад

Далі ›

In human organism significant blood loss leads to decreased blood pressure, tachycardia, and weakness. Eventually the sensation of thirst appears. What hormone participates in the development of this sensation?

Cortisol

Adrenalin

Serotonin

Angiotensin 2

Dopamine

‹ Назад

Далі ›

After a trauma the man has lost skin sensitivity on the lateral surface of his forearm. What nerve of the brachial plexus provides sensitivity of the affected area?

N. radialis

N. musculocutaneus

N. axillaris

N. medianus

N. ulnaris

‹ Назад

Далі ›

Autopsy of a 50-year-old woman, who had been suffering from systemic connective tissue disease, reveals small dense kidneys with lumpy surface. Microscopy of the renal glomeruli detects there foci of fibrinoid necrosis, hyaline thrombi, hematoxylin bodies, and so-called ”wire loop thickening” of the basement membranes. What disease can be characterized by such changes in the kidneys?

Scleroderma

Rheumatoid arthritis

Rheumatism

Systemic lupus erythematosus

Dermatomyositis

‹ Назад

Далі ›

A 4-year-old child presents with numerous carious cavities and yellow-colored teeth. The mother has a history of antibiotic treatment during her pregnancy. What antibiotic was the most likely taken by the child’s mother?

Doxycycline

Erythromycin

Cefazolin

Streptomycin sulfate

Ampicillin

‹ Назад

Далі ›

A patient developed pyoinflammatory process of periodontal tissues caused by activation of the microorganisms inherent in the body, which are a part of oral mucosal microflora. What type of infection is it?

Exogenous infection

Relapse

Superinfection

Autoinfection

Reinfection

‹ Назад

Далі ›

After a hand fracture the man has lost the ability to touch his little finger with the thumb on the affected hand. Examination of the palmar surface shows one of the palmar muscles to be atrophied. Name the affected muscle:

Mm. interossei

Mm. lumbricales

M. opponens policis

M. flexor digiti minimi

M. palmaris brevis

‹ Назад

Далі ›