This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Medicine
[{'content': "All the following are true for mitral valve prolapse except \nSelect and explain. \nA. Transmission may be as an autosomal dominant trait, B. Majority of the case present with features of mitral regurgitation, C. The valve leaflets characteristically show myxomatous, D. The disease is one of the common cardiovascular manifestations og Marfan's syndrome", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ref Harrison 19 th ed pg 1546 Most patients are asymptomatic and remain so for their entire lives. However, in Noh America, MVP is now the most common cause of isolated severe MR requiring surgical treatment. Arrhythmias, most commonly ventricular premature contractions and paroxysmal supraventricular and ventricular tachycardia, as well as AF, have been repoed and may cause palpitations, light-headedness, and syncope.', 'role': 'assistant'}]