A nurse in an acute mental health unit is admitting a client who has bipolar disorder. Which of the following findings supports the admitting diagnosis of acute mania?

A. Hearing voices could indicate psychosis, which is not specifically linked to acute mania in bipolar disorder. Mania may involve delusions or grandiosity but not auditory hallucinations. B. Dressing in all black is not specific to acute mania and could be related to personal style or another mood state. C. Disorganized speech is a hallmark symptom of acute mania in bipolar disorder. The individual may exhibit flight of ideas, rapid speech, or incoherent thoughts. D. Weight gain is more commonly associated with depression or medication side effects, not acute mania.