A 72-year-old male with a history of COPD presents to the emergency department with acutely worsened dyspnea, increased cough, and purulent sputum. He is tachypneic (RR 28/min) and hypoxic (SpO2 88% on room air). Auscultation reveals diffuse wheezing. Which of the following is the most appropriate initial therapeutic intervention?

The correct answer to the question "A 72-year-old male with a history of COPD presents to the emergency department with acutely worsened dyspnea, increased cough, and purulent sputum. He is tachypneic (RR 28/min) and hypoxic (SpO2 88% on room air). Auscultation reveals diffuse wheezing. Which of the following is the most appropriate initial therapeutic intervention?" is Option B: Nebulized albuterol and ipratropium.

The other options — A) Oral azithromycin, C) Intravenous furosemide, D) Non-invasive positive pressure ventilation (NIPPV) — are incorrect for this USMLE Exam Prep question. As explained above: The immediate priority in a severe COPD exacerbation is to improve bronchodilation and oxygenation. Nebulized short-acting bronchodilators (beta-agonists and anticholinergics) are critical. Supplemen…