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
Dialectical behaviour therapy is used in the management of which of the following disorder ? 
Select and explain. 
A. Borderline personality disorder, B. Avoidant personality disorder, C. Narcissistic personality disorder, D. Antisocial personality disorder
A: Borderline personality disorder
Answer: A: Borderline personality disorder 
Explanation: The mainstay treatment for borderline personality disorders is psychotherapy which includes behavior therapy-dialectical behavior therapy (DBT) -specific for borderline personality disorder. It is used especially for those with parasuicidal behavior, such as frequent cutting. Patients are seen weekly, with the goal of improving interpersonal skills and decreasing self-destructive behavior using techniques involving advice, metaphor, storytelling, and confrontation. Other modalities of treatment include: Mentalization based treatment. Transference focused psychotherapy. Drugs - antipsychotics, antidepressants (SSRI, TCA), and mood stabilizing drugs.