🏥 USMLE Exam Prep

A patient is prescribed a non-selective beta-blocker for hypertension. Which of the following adverse effects is most likely due to its action on beta-2 adrenergic receptors?

A Bradycardia
B Bronchoconstriction
C Hypotension
D Hyperglycemia

✓ Correct Answer: Option B

Non-selective beta-blockers block beta-2 receptors in the bronchial smooth muscle, leading to bronchoconstriction. This effect is particularly concerning for patients with asthma or COPD.

💡 Why is B) the correct answer?

The correct answer to the question "A patient is prescribed a non-selective beta-blocker for hypertension. Which of the following adverse effects is most likely due to its action on beta-2 adrenergic receptors?" is Option B: Bronchoconstriction.

The other options — A) Bradycardia, C) Hypotension, D) Hyperglycemia — are incorrect for this USMLE Exam Prep question. As explained above: Non-selective beta-blockers block beta-2 receptors in the bronchial smooth muscle, leading to bronchoconstriction. This effect is particularly concerning for patients with asthma or COPD.

📚 About This USMLE Exam Prep Practice Question

This 2-level USMLE Exam Prep question from the Step 1 – Basic Sciences topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free USMLE Exam Prep practice test or use flashcards for spaced repetition review.

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