A client is admitted to a hospital for treatment for first-time acute symptoms of mania. The nurse anticipates the provider will prescribe which of the following medications?

A. Lithium is a mood stabilizer commonly used to treat acute mania and stabilize mood in bipolar disorder. B. Diazepam (Valium) is a benzodiazepine used for anxiety, not for acute mania. C. Bupropion (Wellbutrin) is an antidepressant that is not typically used for treating mania. D. Paroxetine (Paxil) is an antidepressant, and while it may be used for depression, it is not indicated for treating acute mania.