90 із 200
Step 2 - Pharmacy 2015

A patient with acute heart failure and cardiac glycoside intolerance was given an injection of dobutamine. What is the mechanism of its action?

Inhibition of phosphodiesterase
Blockade of K+-, Na+-ATPase
Stimulation of M-cholinergic receptors
Stimulation of a 1 -adrenoceptors
Stimulation of ^-adrenoceptors