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Multiple Choice

Which of the following is an ACE inhibitor?

Blocking the enzyme that converts angiotensin I to angiotensin II reduces vasoconstriction and lowers aldosterone-driven fluid retention, leading to lower blood pressure. Lisinopril uses this exact mechanism, making it an ACE inhibitor. The other drugs belong to different classes: atenolol is a beta-blocker that lowers heart rate and contractility, furosemide is a loop diuretic that increases urine output to reduce volume, and amlodipine is a calcium channel blocker that relaxes vascular smooth muscle. So, lisinopril is the ACE inhibitor.

Blocking the enzyme that converts angiotensin I to angiotensin II reduces vasoconstriction and lowers aldosterone-driven fluid retention, leading to lower blood pressure. Lisinopril uses this exact mechanism, making it an ACE inhibitor. The other drugs belong to different classes: atenolol is a beta-blocker that lowers heart rate and contractility, furosemide is a loop diuretic that increases urine output to reduce volume, and amlodipine is a calcium channel blocker that relaxes vascular smooth muscle. So, lisinopril is the ACE inhibitor.