This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
[{'content': "Crushmann's spirals are seen in \nSelect and explain. \nA. Bronchial asthma, B. Bronchiectasis, C. Chronic bronchitis, D. Wegner's granulomatosis", 'role': 'user'}, {'content': "Answer: A \nExplanation: Bronchial asthma will show\xa0\n\nCurschmann's spirals : whorled mucus pluge in shape of tracheal ring.\nCharcot - Leyden crystals : crystalloid eosinophoil granule made up of eosinophilic protein called galectin-10.\nCreola bodies : These are individual epithelial cells in the sputum.", 'role': 'assistant'}]