This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Pathology
[{'content': 'Bronchial asthma is characterized - \nSelect and explain. \nA. Inflammatory disease of airway, B. Allergic disease of air way, C. Hyporesponsiveness of airway, D. Hyperresponsiveness of airway', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ref:Textbook of pathology (Harsh mohan )6th edition, page no.483 BRONCHIAL ASTHMA Asthma is a disease of airways that is characterised by increased responsiveness of the tracheobronchial tree to a variety of stimuli resulting in widespread spasmodic narrowing of the air passages which may be relieved spontaneously or by therapy. Asthma is an episodic disease manifested clinically by paroxysms of dyspnoea, cough and wheezing. However, a severe and unremitting form of the disease termed status asthmaticus may prove fatal', 'role': 'assistant'}]