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: Psychiatry
[{'content': 'Best drug therapy for paranoid schizophrenia in a thin built 21 - years old young male would be \nSelect and explain. \nA. Chlorpromazine, B. Risperidone, C. Olanzapine, D. Quetiapine', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The clue in this question is antipsychotic that can be used in lean patients, antipsychotic olanzapine is a well researched drug that has lesser discontinuation * Ref.Kaplon and sadock, synopsis of psychiatry, 11 th edition, pg no. 1053', 'role': 'assistant'}]