<prompt> Which is the treatment of choice for OCD?Exposure and response preventionPsychoanalysisFloodingModeling  <response>: Ans. A. Exposure and response preventionPsychotherapies used in OCDCBT relies primarily on behavior technique of exposure response prevention ERPwhich has the best evidence. Exposure to stimulus which induce obsessional thoughts response prevention asking patient not to indulge in compulsive behaviorOther 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 