Which of the following neurotransmitters are used in virtually all of the inhibitory synapses found in the spinal cord?
A)gamma aminobutyric acid (GABa)and acetylcholine
B)gamma aminobutyric acid (GABA)and glycine
C)epinephrine and norepinephrine
D)serotonin and melatonin
E)glutamate and aspartate

Question

Quizplus · Accepted Answer

Glycine and gamma aminobutyric acid (GABA) are both inhibitory neurotransmitters and are commonly used in the spinal cord. While acetylcholine is used in some inhibitory synapses in the brain, it is not commonly used in the spinal cord. Epinephrine and norepinephrine are excitatory neurotransmitters and serotonin and melatonin are primarily involved in regulating mood and circadian rhythms. Glutamate and aspartate are both excitatory neurotransmitters.

Which of the Following Neurotransmitters Are Used in Virtually All