_____ is a mood disorder that is characterized by extreme mood swings that include one or more episodes of mania, an overexcited, unrealistically optimistic state.

A) Major depressive disorder
B) Obsessive-compulsive disorder
C) Bipolar disorder
D) Generalized anxiety disorder

Bipolar Disorder

A psychiatric condition marked by extreme mood swings from manic highs to depressive lows.

Mood Swings

Rapid and intense fluctuations in a person's emotional state that can affect their sense of well-being and ability to function.

Mania

A state of abnormally elevated or irritable mood, arousal, and energy levels, often seen in bipolar disorder.