24-year-old Woman in Medicine / Internal Medicine — 24yo Woman | Respiratory / Pulmonology | SMLE Q#291
SMLE Question #291
Medicine / Internal Medicine
Respiratory / Pulmonology
Objective: OBJ-123
Last updated: February 2026
A 24-year-old woman has 6 months of intermittent wheeze, chest tightness, and dry cough that worsen at night and after jogging. She has never smoked. Examination today shows clear breath sounds without wheeze. A chest radiograph done last month was normal. The clinician wants to confirm suspected asthma by demonstrating reversible airflow limitation. Which test is most appropriate to confirm the diagnosis?
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