Dialectical behavior therapy as treatment for borderline personality disorder

Topic Clare is brought to the ER after slashing her wrist with a razor. She had previously been in the ER for drug overdose and has history of addictions. She can be sarcastic, belittling and aggressive to those who try to care for her. She has a history of difficulty with interpersonal relationships at her job. Clare is diagnosed with borderline personality disorder. First, identify the defense mechanisms Clare is using, and second,discuss the various dialectical behavioral activities that can be utilzed with Clare.