The difference between bipolar I disorder and bipolar II disorder is the:
A) number of depressive and manic episodes.
B) severity of the manic episodes.
C) number of depressive episodes.
D) seasonal variation in the episodes.

Question

Quizplus · Accepted Answer

Bipolar I disorder is characterized by at least one manic episode, which can be severe, while bipolar II disorder involves hypomanic episodes that are less severe than the manic episodes seen in bipolar I.

The Difference Between Bipolar I Disorder and Bipolar II Disorder