Selection of Categories of Psychological Disorders Practice Test

Disruptive Mood Dysregulation Disorder, with frequent severe temper outbursts and persistent irritability for at least 12 months.

Bipolar I Disorder, involving episodic mania; chronic irritability without discrete manic episodes is not sufficient for bipolar I.

Oppositional Defiant Disorder, involving defiance and vindictiveness, not necessarily severe recurrent outbursts with chronic irritability.

Intermittent Explosive Disorder, involving discrete outbursts without persistent irritable mood between episodes in children.