Which of the following is true of GABA?
A) GABA has a general excitatory effect.
B) GABA is involved in Parkinson's disease.
C) An excess of GABA may result in epilepsy.
D) The inhibitory effects of GABA act stabilize brain electrical activity.
E) Loss of GABA function will reduce anxiety.
Answer: D
Rationale: The inhibitory effects of GABA act stabilize brain electrical activity.
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