Chronic obstructive pulmonary disease (COPD): encompasses which diseases? characterized with? etiology? dx? dx criteria?
A. Chronic bronchitis and emphysema; airflow limitation; smoking; clinical history and spirometry; FEV1/FVC < 0.7
B. Asthma and pneumonia; reduced lung volume; air pollution; chest X-ray; persistent cough
C. Tuberculosis and lung fibrosis; respiratory distress; occupational exposures; sputum culture; hypoxemia
D. Pulmonary hypertension and lung cancer; chest pain; genetics; bronchoscopy; increased breath sounds