us-abem MCQ (SBA): COPD Oxygen-Induced Hypercapnia

Instant feedback + full explanation. One question, done properly.

HardRespiratory MedicineCOPD Oxygen-Induced Hypercapniaus-abemus-abfmus-usmle-step-2

A 60-year-old with COPD exacerbation receives high-flow oxygen in the ED with SpO₂ 98%. He becomes more somnolent with rising PaCO₂. What change is indicated?

Educational content. Not a substitute for clinical judgement or local policy.