(Solved): All are a risk factor for COPD except: cigarette smoking airway hyporeactivity childhood respirato ...

All are a risk factor for COPD except: cigarette smoking airway hyporeactivity childhood respiratory infections occupational exposures A young white male complains of sudden new onset of a cough that keeps him awake at night. The cough is dry and occasionally produces some clear sputum. The NP suspects: Chronic bronchitis Acute bronchitis Pneumonia TB