This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Pharmacology
[{'content': 'Drug of choice for malignant neuroleptic syndrome: \nSelect and explain. \nA. Danazol, B. Dantrolene, C. Propranolol, D. Diazepam', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B. DantroleneMalignant neuroleptic syndrome is type of Extrapyramidal side effect seen with antipsychotic drugs. It is characterized by hyperthermia, rigidity and altered mental state. It is usually treated by Dantrolene which causes muscle relaxation. Bromocriptine is also indicated for this condition.', 'role': 'assistant'}]