us-abfm MCQ (SBA): COPD-Oxygen Target

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EasyRespiratory MedicineCOPD-Oxygen Targetus-abfmus-abimus-usmle-step-2

A 70-year-old with COPD exacerbation is receiving oxygen. SpO2 is 86% on room air. Target saturation?

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