Which neurotransmitter is correctly paired with an associated substance?

Question

Quizplus · Accepted Answer

GABA (gamma-aminobutyric acid) is an inhibitory neurotransmitter that is increased by alcohol, leading to its calming effects. Adenosine is a neuromodulator that is associated with sleep, and is not typically associated with nicotine. Dopamine is associated with pleasure and reward, and is increased by drugs such as cocaine and amphetamines, but not typically by alcohol. Endorphins are natural painkillers produced by the body, and are not typically associated with caffeine.

Which Neurotransmitter Is Correctly Paired with an Associated Substance