A 22 year old woman was brought by her boyfriend with multiple superficial lacerations. There are scars of old cuts on her forearms. She is distressed because he wants to end the relationship. She denies suicide. What is the most likely diagnosis?

The key is B. Borderline personality. [Borderline personality disorder (BPD), also known as

emotionally unstable personality disorder, is a long term pattern of abnormal behavior characterized by

unstable relationships with other people, unstable sense of self, and unstable emotions.[3][4] There is

often an extreme fear of abandonment, frequent dangerous behavior, a feeling of emptiness, and self-

harm].