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: Psychiatry
[{'content': 'All drugs are used in Treatment of Mania except - \nSelect and explain. \nA. Haloperidol, B. Trihexylphenidyl, C. Lithium, D. Carbamazepine', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Drugs used for mania are Lithium, Valproate, Carbamazepine / Oxcarbazepine, Typical & atypical antipsychotics (olanzapine, risperidone, quetiapine, ziprasidone, aripiprazole, haloperidol), benzodiazepines.\nTrihexylphenidyl is a central anticholinergic drug used in Drug induced Parkinsonism.', 'role': 'assistant'}]