The physician has ordered Eskalith (lithium carbonate) 500 mg three times a day and Risperdal (risperidone) 2 mg twice daily for a client admitted with bipolar disorder, acute manic episodes. The best explanation for the client's medication regimen is:

C The client will be more compliant with a medication that allows some feelings of hypomania. B Antipsychotic medication is used to manage behavioral excitement until mood stabilization occurs. A The client's symptoms of acute mania are typical of undiagnosed schizophrenia. D Antipsychotic medication prevents psychotic symptoms commonly associated with the use of mood stabilizers.