Final answer:
The correct answer is c) Hypomanic episode. A hypomanic episode has the same symptoms as a manic episode but does not cause severe impairment in daily functioning.
Step-by-step explanation:
The correct answer is c) Hypomanic episode. A hypomanic episode is characterized by the same symptoms as a manic episode, such as elevated mood, increased energy, and decreased need for sleep. However, a hypomanic episode does not cause severe impairment in daily functioning, unlike a full manic episode. It is important to note that a hypomanic episode is a key feature of bipolar II disorder, whereas a manic episode is associated with bipolar I disorder.