Beta Blockers USMLE Step 1 Practice Question
A 17-year-old girl with asthma presents with tremor and palpitations after repeated albuterol use during soccer practice. Vital signs show HR 118 bpm, BP 132/78 mmHg, RR 22/min, temp 37.2°C, SpO2 98% on room air. Serum potassium is 3.2 mEq/L (normal 3.5-5.0). She denies chest pain or dyspnea at rest. She takes no other medications. Which medication most likely caused these findings?
Answer choices
- AIpratropium
- BBudesonide
- CAlbuterolCorrect answer
- DMontelukast
- EOmalizumab
- FTheophylline
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