1 MCQs in Medicine for NEET PG
A 48-year-old man with a 30 pack-year smoking history presents with progressive exertional dyspnoea and morning cough productive of purulent sputum. Spirometry shows FEV₁/FVC ratio of 0.62 with FEV₁ 45% predicted. High-resolution CT chest reveals bronchial wall thickening with bronchus-to-artery ratio >1 in the lower lobes. Which of the following pulmonary function test patterns would be most consistent with his underlying diagnosis?
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