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PMHNP Certification Exam Prep - Georgette &
ANA Questions with 100% Correct Answers 2025
| 2026
Mood d/o - ANSWER Serotonin, NE, Glutamate, and Dopamine
are implicated in mood regulation
Serotonin - ANSWER low levels cause depression
Norepinephrine (NE) - ANSWER imbalances contribute to
anxiety
Dopamine - ANSWER plays a role in motivation and reward
elevated levels cause mania or hypomania
GABA (Gamm-Aminobutyric Acid) - ANSWER the most abundant
inhibitory neurotransmitter in the brain
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Glutamate - ANSWER is an excitatory NT that can influence
mood and behavior
dysregulation can cause impulsivity and aggression
Acetylcholine - ANSWER associated w/ cognitive function
Endorphins - ANSWER are involved in pain modulation
Histamine - ANSWER plays a role in alertness and sleep-wake
cycle
Lithium - ANSWER Normal 0.6-1.2 mEq/L
modulates glutamate receptors, reducing impulsivity
ETOH, NSAIDS, Hyponatremia may increase Lithium levels
Hypokalemia may decrease Lithium levels
PMHNP Certification Exam Prep - Georgette &
ANA Questions with 100% Correct Answers 2025
| 2026
Mood d/o - ANSWER Serotonin, NE, Glutamate, and Dopamine
are implicated in mood regulation
Serotonin - ANSWER low levels cause depression
Norepinephrine (NE) - ANSWER imbalances contribute to
anxiety
Dopamine - ANSWER plays a role in motivation and reward
elevated levels cause mania or hypomania
GABA (Gamm-Aminobutyric Acid) - ANSWER the most abundant
inhibitory neurotransmitter in the brain
, 2|Page
Glutamate - ANSWER is an excitatory NT that can influence
mood and behavior
dysregulation can cause impulsivity and aggression
Acetylcholine - ANSWER associated w/ cognitive function
Endorphins - ANSWER are involved in pain modulation
Histamine - ANSWER plays a role in alertness and sleep-wake
cycle
Lithium - ANSWER Normal 0.6-1.2 mEq/L
modulates glutamate receptors, reducing impulsivity
ETOH, NSAIDS, Hyponatremia may increase Lithium levels
Hypokalemia may decrease Lithium levels