This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Personality Disorders, Subject name: Psychiatry
[{'content': 'Which is the treatment of choice for OCD? \nSelect and explain. \nA. Exposure and response prevention, B. Psychoanalysis, C. Flooding, D. Modeling', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A. Exposure and response preventionPsychotherapies used in OCDCBT relies primarily on behavior technique of exposure & response prevention (ERP)which has the best evidence. Exposure (to stimulus which induce obsessional thoughts) & response prevention (asking patient not to indulge in compulsive behavior)Other therapies: desensitization,thought stopping- give stimulus to stop thought like may bang table, later can do mentally flooding & aversive conditioningPsychodynamic psychotherapy, family therapy may also be used', 'role': 'assistant'}]