AHN-1-PAPER SOLUTION NO.5 Section 1 Q.1 Mr. Suresh of age 46 years got admitted in the hospital with the complaints of dyspnoea, chest tightness, cough. He was diagnosed to have COPD. a) Define COPD (1) COPD is a progressive, irreversible lung disease characterized by chronic airflow limitation that is not fully reversible. It includes conditions like chronic bronchitis and emphysema, which cause obstruction of the airways and impair gas exchange,