us-abfm MCQ (SBA): COPD-LTOT Indication

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

ModerateRespiratory MedicineCOPD-LTOT Indicationus-abfmus-abimus-usmle-step-2

A 71-year-old with COPD has chronic hypoxaemia (PaO₂ 54 mm Hg at rest). Indication for long-term oxygen therapy?

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

us-abfm MCQ: COPD-LTOT Indication — Answer & Explanation | iatroX