The major inhibitory neurotransmitter in the brain is
a. Gamma-amino-butyric acid.
b. Serotonin.
c. Glutamate.
d. Dopamine.
Question 2
The binding of gamma amino butyric acid to GABAA receptors results in
a. An influx of chloride ions that tends to hyperpolarize the neuron.
b. An outflow of chloride ions that tends to depolarize the neuron.
c. An influx of sodium ions that tends to depolarize the neuron.
d. An outflow of sodium ions that tends to hyperpolarize the neuron.