A 77-year-old man with refractory cardiogenic shock has been under treatment in an intensive care unit for the last 7 days
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Get it written →A 77-year-old man with refractory cardiogenic shock has been under treatment in an intensive care unit for the last 7 days. Despite appropriate management, he fails to show improvement. After discussions with his relatives and obtaining informed consent, the team administers a novel drug to the patient. The drug is an adrenergic agonist that has both positive chronotropic and inotropic effects and stimulates the release of renin from the kidneys. The drug does not have any other adrenergic effects. Which of the following secondary messengers is most likely responsible for the actions of the novel drug? 1. Cyclic adenosine monophosphate 2. Diacylglycerol 3. Calcium ion 4. Inositol 1,4,5-triphosphate 5. Cyclic guanosine monophosphate
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