A nurse is collecting data on a client and finds that Ari is always manic but has had one depressive episode in the last year. Which of the following diagnosis should the nurse suspect?

A. Bipolar type is not a specific classification; the nurse needs to differentiate between bipolar I and II. B. Bipolar type I involves manic episodes that last for at least a week or require hospitalization, with possible depressive episodes. The presence of a depressive episode confirms bipolar type I. C. Bipolar mixed refers to simultaneous symptoms of both mania and depression, which is not described here. D. Anxiety is unrelated to the symptoms described.