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': 'Which of the following drugs are used in the treatment of Obsessive Compulsive Disorder (OCD)? \nSelect and explain. \nA. Clomipramine, B. Lithium, C. Olanzepine, D. None', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Fluoxetine and Clomipramine are the drugs preferred and Cognitive Behavioural Therapy is the treatment modality of choice. SSRIs help the condition by increasing the seratonin levels.', 'role': 'assistant'}]