The inhibitory neurotransmitters of the CNS, GABA and glycine, act by opening ________ channels.
A) only Na⁺
B) only Cl⁻
C) only K⁺
D) only Ca²⁺
E) Na⁺ and K⁺

Name: The inhibitory neurotransmitters of the CNS, GABA and glycine, act by opening ________ channels. A) only Na⁺ B) only Cl⁻ C) only K⁺ D) only Ca²⁺ E) Na⁺ and K⁺
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Question

Quizplus · Accepted Answer

GABA and glycine open Cl⁻ channels, allowing Cl⁻ to enter the cell, resulting in hyperpolarization and inhibition of neuronal firing.

The Inhibitory Neurotransmitters of the CNS, GABA and Glycine, Act