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pharmacology · question_047 USMLE Step 1
A 58-year-old man with hypertension and a history of asthma is prescribed a new antihypertensive. Two days later he presents with worsening breathlessness. Which drug class is most likely responsible?
A
ACE inhibitor
B
Beta blocker ✓
C
Calcium channel blocker
D
ARB
Pearl: BBlockers Break Breathing — contraindicated in asthma & COPD
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Your progress · Pharmacology
Beta blockers92%
ACE inhibitors78%
Diuretics64%
Antibiotics45%
Antipsychotics30%
Overall score: 62% · Keep going
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