True about Asthma except:
Answer is C (Necrosis of airways): Necrosis of Airways is not a feature of Bronchial Asthma Features of Asthma: Chronic inflammatory disorder Chronic inflammatory disorder Hyperresponsiveness of airways (AHR) Airway epithelial shedding Subepithelial fibrosis and thickening of basement membrane Hyperophy and Hyperplasia of airway smooth muscle Increased mucosal blood flow (vascular congestion) Micro vascular leakage resulting in airway edema and plasma exudation into airway lumen Mucus Hypersecretion and formation of viscid mucus plugs that occlude airways Airway remodelling Defects in autonomic neural control
Chronic Inflammatory Disease
Hyperresponsive airways
Necrosis of airways
Mucous plug formation