National Certified Addiction Counselor, Level I (NCAC I) Practice Exam

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Prepare for the National Certified Addiction Counselor, Level I (NCAC I) Exam with comprehensive flashcards and multiple choice questions. Each question comes with detailed explanations and hints. Get ready for your NCAC I certification!

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Which neurotransmitter is primarily involved in mood regulation?

Endogenous opioids
Serotonin
GABA
Acetylcholine

The correct answer is: Serotonin

Serotonin plays a crucial role in mood regulation and is often referred to as the "feel good" neurotransmitter. It influences various functions in the body, including mood, emotion, sleep, and appetite. Low levels of serotonin have been linked to mood disorders such as depression and anxiety. Research has shown that increasing serotonin levels can help improve mood and overall emotional well-being, which is why many antidepressant medications target the serotonin system. In contrast, endogenous opioids primarily modulate pain and the reward system, GABA (gamma-aminobutyric acid) functions mainly as an inhibitory neurotransmitter that calms nervous activity, and acetylcholine is involved in learning, memory, and muscle activation. While all these neurotransmitters have important roles in various physiological processes, serotonin is specifically recognized for its direct impact on mood.