This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cystic fibrosis & Sleep apnea, Subject name: Medicine
[{'content': 'Kaagener syndrome is not associated with? \nSelect and explain. \nA. Situs inversus, B. Subluxation of lens, C. Bronchiectasis, D. Sinusitis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Kaagener syndrome /Immotile cilia syndrome is a AR genetic disorder that causes a defect in action of cilia . Triad includes Bronchiectasis , sinusitis and situs inversus. In males it leads to immotility of sperms causing infeility . There is also marked reduction in feility in female sufferers. There is also impaired ciliary function leading to reduced mucus clearance from lungs and susceptibility to chronic recurrent respiratory infections .', 'role': 'assistant'}]