In addition to influencing other neurons, ____ dilates the nearby blood vessels, thereby increasing blood flow to that area of the brain.
A) endorphins
B) glycine
C) nitric oxide
D) acetylcholine

Question

Quizplus · Accepted Answer

Nitric oxide dilates nearby blood vessels, leading to an increase in blood flow to the area of the brain it is released in. This enhances the delivery of nutrients and oxygen to that region, promoting its proper functioning. Endorphins help reduce pain and elevate mood, glycine is an inhibitory neurotransmitter, and acetylcholine plays a role in muscle function and cognition, but none of these directly impact blood flow in the brain.

In Addition to Influencing Other Neurons, ____ Dilates the Nearby