Choice A rationale:

Dialectical behavior therapy (DBT) is not commonly used as a psychotherapeutic intervention for managing bipolar disorder. DBT is often used to treat borderline personality disorder and focuses on emotional regulation and interpersonal skills.

Choice B rationale:

Cognitive-behavioral therapy (CBT) is commonly used as a psychotherapeutic intervention for managing bipolar disorder. It helps individuals identify and change negative thought patterns and behaviors, which can be valuable in managing both depressive and manic symptoms.

Choice C rationale:

Family-focused therapy (FFT) is commonly used as a psychotherapeutic intervention for managing bipolar disorder. It involves the family in the treatment process and aims to improve communication, problem-solving, and support within the family unit.

Choice D rationale:

Interpersonal and social rhythm therapy (IPSRT) is commonly used as a psychotherapeutic intervention for managing bipolar disorder. It focuses on stabilizing daily routines and sleep patterns, which can help prevent mood episodes and maintain stability.

Choice E rationale:

Exposure therapy is not commonly used for managing bipolar disorder. Exposure therapy is typically used to treat anxiety disorders, particularly phobias and post-traumatic stress disorder (PTSD), and involves gradually exposing individuals to their feared situations or memories to reduce anxiety.