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': 'Which one of the following is NOT a feature of Kaagener&;s syndrome - \nSelect and explain. \nA. Bronchiectasis, B. Ciliary dyskinesia, C. Pancreatic insufficiency, D. situs inversus', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ref:Harsh Mohan - Textbook of Pathology, 6th Edition.page no.484 Immotile cilia syndrome that includes Kaagener's syndrome (bronchiectasis, situs inversus and sinusitis) is characterised by ultrastructural changes in the microtubules causing immotility of cilia(Ciliary dyskinesia) of the respiratory tract epithelium, sperms and other cells. Males in this syndrome are often infeile", 'role': 'assistant'}]