Tranquilizers and barbiturates both affect the brain by
A) making receptors more responsive to GABA.
B) making receptors less responsive to GABA.
C) activating glutamate receptors.
D) inhibiting glutamate receptors.

Question

Quizplus · Accepted Answer

Both tranquilizers and barbiturates enhance the activity of the neurotransmitter GABA in the brain. They make GABA receptors more receptive to the neurotransmitter, resulting in a calming effect on the brain and body.

Tranquilizers and Barbiturates Both Affect the Brain by