After several months of feeling apathetic and dissatisfied with his life,Mark has recently become extremely cheerful and so talkative he can't be interrupted.He seems to need less sleep and becomes irritated when his friends tell him to slow down.Mark's behavior is indicative of

Question

Quizplus · Accepted Answer

Mark's behavior is indicative of bipolar disorder, specifically the manic episode. The symptoms of a manic episode include increased energy, decreased need for sleep, talkativeness, and irritability. Obsessive-compulsive disorder and agoraphobia do not have these specific symptoms, and schizophrenia typically involves hallucinations and delusions which are not mentioned in the scenario.

After Several Months of Feeling Apathetic and Dissatisfied with His