The neurotransmitter GABA exerts ____ effects, and its effects are almost always ____.
A) ionotropic; excitatory
B) ionotropic; inhibitory
C) metabotropic; excitatory
D) metabotropic; inhibitory

Question

Quizplus · Accepted Answer

GABA exerts inhibitory effects, meaning it reduces the likelihood of the postsynaptic cell firing. GABA binds to ionotropic receptors, which cause an influx of negatively charged chloride ions into the cell, hyperpolarizing it and making it less likely to fire.

The Neurotransmitter GABA Exerts ____ Effects, and Its Effects Are