Final answer:
A person with symptoms of a manic episode of bipolar disorder is typically prescribed a mood stabilizer, such as lithium, to stabilize mood fluctuations.
Step-by-step explanation:
The patient described exhibiting symptoms associated with a manic episode of bipolar disorder, such as unstable mood, aggressiveness, agitation, talkativeness, and irritability. Given these symptoms, the healthcare provider is most likely to prescribe a medication classified as a mood stabilizer. Medications such as lithium and various anticonvulsants are commonly used to stabilize mood in patients with bipolar disorder. Mood stabilizers help to reduce the frequency and severity of episodes of mania and depression. While other medications, such as antipsychotics, may also be used to manage bipolar symptoms, mood stabilizers are often the cornerstone for treating the mood fluctuations inherent in bipolar disorder.