Answered

The following neurotransmitters are excitatory:
A. Histamine, GABA, and Norepinephrine
B. Dopamine, Serotonin, Norepinephrine
C. Acetylcholine, GABA, and Dopamine
D. Serotonin, Histamine, Glutamate
E. Glutamate, Norepinephrine, Dopamine