Epidemiology & Prevention USMLE Step 1 Practice Question
A 52-year-old man with a 30-pack-year smoking history presents with BP 138/86, HR 82, RR 16, and SpO2 98% on room air. He denies dyspnea, cough, or chest pain. Spirometry shows FEV1/FVC ratio of 0.78. He currently smokes one pack daily and takes lisinopril for hypertension. He asks what intervention now would reduce his risk of developing COPD and lung cancer. Which of the following is an example of primary prevention?
Answer choices
- ASmoking cessation counselingCorrect answer
- BAnnual low-dose CT screening
- CBronchodilator therapy after diagnosis
- DPulmonary rehabilitation
- EHome oxygen therapy for advanced disease
- FInhaled corticosteroid therapy to reduce airway inflammation
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