A nurse is reviewing the morning laboratory report for a client who has bipolar disorder and recently started taking lithium. The client's current lithium level is 1.2 mEq/L. Which of the following actions should the nurse plan to take?

A. A lithium level of 1.2 mEq/L falls within the therapeutic range (0.6-1.2 mEq/L) for the treatment of bipolar disorder. Therefore, the nurse should administer the regular dose of lithium as prescribed and closely monitor the client for any side effects. B. Repeating the lithium level is unnecessary because the current level is within the therapeutic range. Repeated testing may be warranted if the level is outside the therapeutic range or if there are clinical concerns. C. This action is not indicated for a lithium level within the therapeutic range. ECG and seizure precautions are typically reserved for lithium toxicity, which presents with levels above the therapeutic range. D. Increasing the dose of lithium is not warranted when the current level is within the therapeutic range. Doing so could increase the risk of toxicity.