Many sedative medications such as Valium and phenobarbital exert their effects by acting on ____.
A) glutamate
B) endorphins
C) dopamine
D) GABA

Question

Quizplus · Accepted Answer

Valium and phenobarbital act on the neurotransmitter GABA (gamma-aminobutyric acid) to enhance its inhibitory effects, leading to sedation and relaxation. Glutamate and dopamine are excitatory neurotransmitters, while endorphins are opioid-like molecules involved in pain modulation and reward pathways.

Many Sedative Medications Such as Valium and Phenobarbital Exert Their