<prompt> Bipolar II disorder characterized bySevere mania and severe depressionHypomania and severe depressionOnly hypomaniaOnly severe depression  <response>: B Hypomania and severe depression SUBTYPES OF BIPOLAR DISORDER1. Bipolar I: Characterized by episodes of severe mania and severe depression.2. Bipolar II: Characterized by episodes of hypomania not requiring hospitalization and severe depression. 