1 MCQs in Medicine for NEET PG
A 52-year-old man with severe kyphoscoliosis (Cobb angle 85°) presents with progressive dyspnea on exertion and morning headaches. Spirometry shows TLC 52% predicted, FVC 48% predicted, FEV₁ 45% predicted, with FEV₁/FVC ratio of 94%. DLCO is 82% predicted and DLCO/VA is 110% predicted. The pattern marked **A** in the diagram represents the physiological abnormality in this patient. Which of the following BEST explains why the DLCO/VA ratio remains elevated despite reduced lung volumes in the condition marked **A**?
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 Spirometry — Restrictive Pattern in Severe Kyphoscoliosis (Chest Wall Restriction with Normal DLCO) MCQs with AI-powered explanations tailored to your performance.
Create Free Account