A 65-year-old with an acute COPD exacerbation (no respiratory failure) is treated in the ED and can take oral medications. Which systemic steroid regimen is recommended?APrednisone 60 mg daily with a slow taper over 21 days.BPrednisone 40 mg orally once daily for 5 days.CIV methylprednisolone 125 mg every 6 hours for 7 days.DChronic prednisone 10 mg daily to prevent future exacerbations.EAvoid systemic steroids; use bronchodilators only.Check my answer