A new drug that increases the activity of the neurotransmitter gamma-aminobutyric acid (GABA) is likely to:
A) be calming and reduce anxiety.
B) reduce psychotic episodes.
C) reduce feelings of sadness and improve mood.
D) reduce manic behaviors.
Answer: A
Rationale: Antianxiety drugs typically affect the activity of gamma-aminobutyric acid (GABA), an inhibitory neurotransmitter that reduces neural activity. They appear to temporarily alter the structure of GABA receptors, allowing more GABA molecules to inhibit neural activity.
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