us-abfm MCQ (SBA): COPD Exacerbation

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EasyRespiratory MedicineCOPD Exacerbationus-abfmus-abimus-abemus-usmle-step-2us-usmle-step-3

A 65-year-old with COPD presents with increased dyspnea, sputum purulence and volume. SpO₂ is 90% on room air; no pneumonia on CXR. Which regimen is most appropriate?

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