This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiration, Subject name: Pathology
[{'content': "Curshmann's spirals are seen in: \nSelect and explain. \nA. Bronchial asthma, B. Bronchial carcinoid, C. Chronic bronchitis, D. All of the above", 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. a (Bronchial asthma). (Ref. Robbins, Pathology, 7th ed., 726)MORPHOLOGICAL CHANGES IN ASTHMA# Over-inflated over-distended lungs# Creola bodies# Charcot-Leyden crystals# Curshmann's spirals (mucus plugs with whorls of shed epithelium)- Tenacious mucus plugs (most striking finding)- Numerous eosinophils- Airway remodeling.", 'role': 'assistant'}]