The client with bipolar disorder is prescribed carbamazepine (Tegretol), an anticonvulsant. Which data indicates the medication is effective? 1. The client is able to control extremes between mania...

The client with bipolar disorder is prescribed carbamazepine (Tegretol), an anticonvulsant. Which data indicates the medication is effective?

1. The client is able to control extremes between mania and depression. 2. The client’s serum Tegretol level is within the therapeutic range. 3. The client reports a 3 on a depression scale of 1–10, with 10 indicating severely depressed. 4. The client has a decrease in delusional thoughts and hallucinations.