Melissa has been depressed for the last month. Suddenly she has become euphoric and hyperactive, and she runs around the apartment complex claiming that she alone could solve the world's energy problems. Melissa is suffering from____________.
A. major depressive disorder.
B. bipolar disorder.
C. rumination.
D. learned helplessness.
Explanation: Bipolar disorder, also known as manic-depressive disorder, is a brain disorder that causes unusual changes in mood, energy, activity levels, and the ability to perform everyday tasks.
