Beta Blockers USMLE Step 1 Practice Question
A 64-year-old woman with hypertension initiated a calcium channel blocker one month ago. She now presents with bilateral ankle edema, facial flushing, and headache. Vital signs show BP 128/76 mmHg, HR 72/min, RR 16/min, temperature 37°C, and SpO2 98% on room air. Laboratory studies reveal normal serum creatinine and urinalysis without proteinuria. There is no dyspnea or orthopnea. Which medication most likely caused these adverse effects through arteriolar vasodilation?
Answer choices
- AVerapamil
- BHydrochlorothiazide
- CLisinopril
- DAmlodipineCorrect answer
- EMetoprolol
- FNifedipine
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