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Pharmacology · USMLE Step 1 · Healthcare and Nursing

USMLE Pharmacology: Cardiovascular Drugs

Antihypertensive, antiarrhythmic, and heart failure drug classes with mechanism and one signature side effect per card.

About this set

44 mixed cards for USMLE Step 1 Pharmacology. Set 5 of 19 in USMLE Pharmacology. It opens with "What is the mechanism of action of ACE inhibitors?" and "ACE inhibitors cause a dry cough because they raise levels of ____". Study it alongside the other USMLE Step 1 sets below.

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What is the mechanism of action of ACE inhibitors?
Show answerThey inhibit angiotensin-converting enzyme, blocking conversion of angiotensin I to angiotensin II.
ACE inhibitors cause a dry cough because they raise levels of ____.
Show answerbradykinin
What rare but serious ACE inhibitor side effect causes swelling of the face, lips, and airway?
Show answerAngioedema
What is the mechanism of action of angiotensin receptor blockers (ARBs)?
Show answerThey block the AT1 receptor, preventing angiotensin II from binding.
What electrolyte disturbance can ARBs cause by reducing aldosterone secretion?
Show answerHyperkalemia
What is the mechanism of action of thiazide diuretics?
Show answerThey inhibit the Na+/Cl- cotransporter in the distal convoluted tubule.
Thiazide diuretics commonly cause ____ from increased sodium delivery to the collecting duct.
Show answerhypokalemia
What is the mechanism of action of loop diuretics such as furosemide?
Show answerThey inhibit the Na+/K+/2Cl- cotransporter in the thick ascending limb of the loop of Henle.
What signature side effect of loop diuretics affects hearing?
Show answerOtotoxicity
What is the mechanism of action of spironolactone?
Show answerIt competitively antagonizes aldosterone at the mineralocorticoid receptor in the collecting duct.
What endocrine side effect can spironolactone cause in men?
Show answerGynecomastia
What is the mechanism of action of dihydropyridine calcium channel blockers such as amlodipine?
Show answerThey block L-type calcium channels mainly in vascular smooth muscle, causing vasodilation.
What is a signature side effect of dihydropyridine calcium channel blockers?
Show answerPeripheral edema
What is the mechanism of action of non-dihydropyridine calcium channel blockers such as verapamil and diltiazem?
Show answerThey block L-type calcium channels mainly in the heart, reducing heart rate and contractility.
What is a signature gastrointestinal side effect of verapamil?
Show answerConstipation

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