Spirometry and Lung Volumes MCQ — NEET PG Practice Question | NEETPGAI
Spirometry and Lung Volumes
medium
heart-pulse Physiology
A 52-year-old male smoker with chronic cough presents for pulmonary function testing. Spirometry shows FEV₁/FVC ratio of 0.68 (68%). A 45-year-old female non-smoker with exertional dyspnea and normal spirometry ratio (FEV₁/FVC = 0.82) is also evaluated. Which spirometric finding best distinguishes obstructive airway disease from restrictive lung disease?
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