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: Medicine
[{'content': "Coarctation of the aoa is common in which syndrome: \nSelect and explain. \nA. Down's, B. Turner's, C. Klinefelter's, D. Noonan's", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Answer is B (Turner\'s syndrome) Turner\'s syndrome is commonly associated with coarctation of aoa. Congenital Syndromes Cardiac anomaly Turner\'s syndrome Coarctation of Aoa Q Pulmonic stenosisQ Aoic stenosis Q Down\'s syndrome ASD Q -endocardial cushion type Noonan\'s syndrome (Nelson 6\'" / 1747) Pulmonary stenosis Q ASD Hyperophic cardiomyopathy', 'role': 'assistant'}]