us-abfm MCQ (SBA): COPD-LTOT

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EasyRespiratory MedicineCOPD-LTOTus-abfmus-abimus-usmle-step-2

A 58-year-old with COPD and chronic hypoxemia (resting SpO2 86%) seeks therapy. Which treatment improves survival?

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