CMC CMC Cardiac Pharmacology & Medications

Question 1

Which drug class is first-line for reducing ventricular rate in atrial fibrillation?

Accepted Answer

Beta-blockers

Answer

ACE inhibitors

Answer

Loop diuretics

Answer

Statins

Question 2

ACE inhibitors lower blood pressure primarily by blocking which enzyme?

Accepted Answer

Angiotensin-converting enzyme

Answer

Renin

Answer

Aldosterone synthase

Answer

Phosphodiesterase

Question 3

Which anticoagulant requires regular INR monitoring due to its narrow therapeutic window?

Accepted Answer

Warfarin

Answer

Apixaban

Answer

Rivaroxaban

Answer

Dabigatran

Question 4

Digoxin is used in cardiac care primarily for which two conditions?

Accepted Answer

Atrial fibrillation and heart failure

Answer

Hypertension and angina

Answer

Pulmonary embolism and DVT

Answer

Ventricular tachycardia and STEMI

Question 5

Statins reduce cardiovascular risk by inhibiting which enzyme in the cholesterol synthesis pathway?

Accepted Answer

HMG-CoA reductase

Answer

Lipoprotein lipase

Answer

PCSK9

Answer

Cholesterol esterase

Question 6

Nitroglycerin relieves angina through which primary mechanism?

Accepted Answer

Vasodilation via nitric oxide release

Answer

Blocking beta receptors

Answer

Blocking calcium channels

Answer

Inhibiting platelet aggregation