The mental health nursing instructor is talking with the class about depression. What deficiency does the instructor explain will result in depression?
A) Epinephrine, norepinephrine, and acetylcholine
B) Norepinephrine, dopamine, and serotonin
C) Acetylcholine, gamma-aminobutyric acid, and serotonin
D) Gamma-aminobutyric acid, dopamine, and epinephrine
B
Feedback:
A current hypothesis regarding the cause of depression is a deficiency of norepinephrine, dopamine, or serotonin, which are all biogenic amines, in key areas of the brain. Acetylcholine is a neurotransmitter that communicates between nerves and muscles. Epinephrine is a catecholamine that serves as a neurotransmitter that is released in the sympathetic branch of the autonomic nervous system and can be hormones when released from cells in the adrenal medulla. Gamma-aminobutyric acid is a neurotransmitter that inhibits nerve activity and prevents over excitability or stimulation.
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