Medicine Which of the following is used for improving long term prognosis in COPD with resting hypoxemia:March 2011 A Oxygen B Beta-2 agonist C Inhaled steroids D Systemic steroids 💡 Explanation Which of the following is used for improving long term prognosis in COPD with resting hypoxemia:March 2011 ✓ Correct Answer: A. Oxygen