Prolonged Use of Antidepressants Not Only Increases the Availability of Neurotransmitters

Prolonged use of antidepressants not only increases the availability of neurotransmitters in the synapse but also:

A) dilates blood vessels in the right hemisphere.
B) increases the release of neurotrophins.
C) decreases the threshold for producing action potentials in axons.
D) increases the flow of glucose across the blood-brain barrier.