Jessica has felt agitated for the past two weeks. She has not been sleeping at night but still feels she has plenty of energy. She has trouble concentrating. Which of her symptoms would best differentiate a manic episode from a major depressive episode?

because of her feeling she has a lot of energy that would be manic depression.

Explanation:

when you have normal depression you always feel tired and sad weather you get sleep or not

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fluid balance is an aspect of the homeostasis of organisms in which the amount of water in the organism needs to be controlled, via osmoregulation and behavior, such that the concentrations of electrolytes (salts in solution) in the various body fluids are kept within healthy ranges. the core principle of fluid balance is that the amount of water lost from the body must equal the amount of water taken in.