The Nurse Caring for a College Student Who Attempted Suicide

The nurse caring for a college student who attempted suicide by overdose believes brain biochemical dysfunction contributes to suicidal behavior.The nurse will be better able to plan necessary health teaching if she identifies the probable neurotransmitter alteration of:

A) acetylcholine excess.
B) serotonin deficiency.
C) dopamine excess.
D) g-aminobutyric acid deficiency.