🏥 USMLE Exam Prep

A patient with a history of asthma is prescribed a beta-blocker for hypertension. Which of the following adverse effects is most concerning given the patient's medical history?

A Postural hypotension
B Bronchoconstriction
C Bradycardia
D Peripheral edema

✓ Correct Answer: Option B

Non-selective beta-blockers block β2 receptors in the bronchial smooth muscle, which can lead to bronchoconstriction and exacerbate asthma symptoms, making them generally contraindicated in asthmatic patients. Cardioselective beta-blockers are preferred if necessary.

💡 Why is B) the correct answer?

The correct answer to the question "A patient with a history of asthma is prescribed a beta-blocker for hypertension. Which of the following adverse effects is most concerning given the patient's medical history?" is Option B: Bronchoconstriction.

The other options — A) Postural hypotension, C) Bradycardia, D) Peripheral edema — are incorrect for this USMLE Exam Prep question. As explained above: Non-selective beta-blockers block β2 receptors in the bronchial smooth muscle, which can lead to bronchoconstriction and exacerbate asthma symptoms, making them generally contraindicated in asthmatic…

📚 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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