Medicine Pulmonary hypertension in COPD is due toa) Constriction of pulm vesselsb) Hypoxiac) Interstitial fibrosisd) Bronchoconstriction A ab B a C ad D bc 💡 Explanation Pulmonary hypertension in COPD is due toa) Constriction of pulm vesselsb) Hypoxiac) Interstitial fibrosisd) Bronchoconstriction ✓ Correct Answer: A. ab