Cell bodies of serotonin neurons are located within the
a. substantia nigra.
b. basal forebrain.
c. ventral tegmental area.
d. spinal cord.
e. raphe nuclei.
Question 2
The ________ serotonin receptor subtype is classified as an ionotropic receptor.
a. 5-HT1
b. 5-HT5
c. 5-HT3
d. 5-HT9
e. All serotonin receptors are ionotropic.