This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pharmacotherapy in psychiatry, Subject name: Anatomy
[{'content': 'antipsychotic which causes torsades de pointes \nSelect and explain. \nA. ziprasidone, B. quetiapine, C. aripiprazole, D. amisulpride', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ziprasidone ziprasidone has one beneficial effect when compared to other antipsychotics, namely decreasing the weight gain of the patient the most lethal side effects of ziprasidone is that it causes QTC prolongation, thereby resulting in torsades de pointes. Ref. kaplon and sadock, synopsis of psychiatry, 11 th edition,pg no. 925', 'role': 'assistant'}]