Other than the presence of manic episodes in bipolar mood disorder, what is the main distinguishing factor between unipolar and bipolar mood disorders?

Question

Quizplus · Accepted Answer

The main distinguishing factor between unipolar and bipolar mood disorders is the presence of manic episodes in bipolar mood disorder. However, in terms of onset and frequency of episodes, bipolar mood disorder tends to have an earlier onset and more episodes than unipolar mood disorder. Therefore, choice C (earlier onset and more episodes in bipolar mood disorder) is the best answer.

Other Than the Presence of Manic Episodes in Bipolar Mood