Which of the following is NOT a beta-blocker?

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Multiple Choice

Which of the following is NOT a beta-blocker?

Explanation:
Beta-blockers work by blocking beta-adrenergic receptors, which lowers heart rate and contractility and reduces renin release to help control blood pressure and heart workload. Common beta-blockers include metoprolol, propranolol, and atenolol, which either selectively block beta-1 receptors or block both beta-1 and beta-2 receptors. Lisinopril, however, is an ACE inhibitor that lowers blood pressure by preventing the formation of angiotensin II, leading to vasodilation, rather than by blocking beta receptors. So lisinopril is not a beta-blocker, which is why it’s the correct choice.

Beta-blockers work by blocking beta-adrenergic receptors, which lowers heart rate and contractility and reduces renin release to help control blood pressure and heart workload. Common beta-blockers include metoprolol, propranolol, and atenolol, which either selectively block beta-1 receptors or block both beta-1 and beta-2 receptors. Lisinopril, however, is an ACE inhibitor that lowers blood pressure by preventing the formation of angiotensin II, leading to vasodilation, rather than by blocking beta receptors. So lisinopril is not a beta-blocker, which is why it’s the correct choice.

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