us-abfm MCQ (SBA): COPD Oxygen Target

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

A 70-year-old woman with COPD uses home oxygen at 0.5 L/min targeting SpO₂ 95-98%. She reports morning headaches. Appropriate oxygen saturation target?

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