All SAT II Biology M Resources
Example Questions
Example Question #123 : Sat Subject Test In Biology
Which of the following neurotransmitters is the primary inhibitory neurotransmitter in the human central nervous system?
Possible Answers:
Glutamate
Dopamine
GABA
Serotonin
Acetylcholine
Correct answer:
GABA
Explanation:
The correct answer is GABA. GABA is the primary inhibitor used to lower the activity of cells in the human central nervous system. Glutamate, serotonin, and dopamine usually increase the activity of cells, and acetylcholine can increase or decrease cell activity depending on what cell receptor is interacting with the acetylcholine.
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All SAT II Biology M Resources
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