What type of mood episode involves extreme irritability? a. Substance-induced episode b. Depressive episode c. Manic episode d. Hypomanic episode

The correct answer is c. Manic episode.<br /><br />A manic episode is a period of abnormally elevated, expansive, or irritable mood and persistently increased activity or energy, lasting at least one week and present most of the day, nearly every day. This can be characterized by symptoms such as extreme irritability, decreased need for sleep, grandiosity, talkativeness, racing thoughts, distractibility, and risky behaviors.