All are true about chronic bronchitis except: (A) Cough > 2months, (B) Hoover sign is seen, (C) Haemoptysis, (D) Bronchorrhea
Answer is C. Chronic bronchitis clinically defined as cough with sputum on most days for 3 consecutive months of 2 successive years. Hoovers sign seen in copd (inward movement of rib cage on inspiration with flat functioning diaphragm.