Autonomic Pharmacology USMLE Step 1 Practice Question
A 52-year-old man with COPD and hypertension started an antihypertensive medication one week ago. He now presents with a persistent, nonproductive cough that began three days after starting the new drug. Vital signs show BP 128/76 mmHg, HR 88 bpm, RR 20/min, and SpO2 98% on room air. Lung auscultation reveals clear breath sounds bilaterally without wheezing. Serum creatinine is 0.9 mg/dL, and serum potassium is 4.1 mEq/L. He denies dyspnea, chest pain, or fever. Angiotensin II levels are elevated despite excellent blood pressure control. Which drug class best explains this clinical presentation?
Answer choices
- ADirect renin inhibitor
- BAngiotensin II receptor blocker
- CACE inhibitorCorrect answer
- DCalcium channel blocker
- EAlpha-1 blocker
- FBeta-blocker
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