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: Medicine
[{'content': 'Primary ciliary dyskinesia is associated with all except \nSelect and explain. \nA. Sterility in males, B. Hypothyroidism, C. Sinusitis, D. Respiratory infection', 'role': 'user'}, {'content': "Answer: B \nExplanation: Primary ciliary dyskinesia or kaagener's syndrome is an autosomal recessive genetic disorder that causes defects in the cilia lining respiratory tract and flagella of sperm cells.It is characterised by repeated respiratory infections like sinusitis,bronchitis;otitis media and infeility.", 'role': 'assistant'}]