1 MCQs in Medicine for NEET PG
A 64-year-old man with a 45-pack-year smoking history presents with 2 years of progressive exertional dyspnea and daily productive cough. Post-bronchodilator spirometry shows FEV₁ 48% predicted, FVC 78% predicted, and FEV₁/FVC ratio 0.55. The flow-volume loop marked **B** demonstrates a scooped, concave expiratory limb with reduced peak expiratory flow, rightward shift indicating air trapping, and a preserved inspiratory limb—consistent with fixed airflow obstruction. According to GOLD 2024 classification, which spirometric stage best categorizes this patient?
Ready to test yourself?
Test your Medicine knowledge with AI-powered MCQs and detailed explanations — no signup required to try.
Sign up free and practice all 1 COPD — Obstructive Flow-Volume Loop MCQs with AI-powered explanations tailored to your performance.
Create Free Account