Adenosine is a naturally occurring chemical in the body that acts as an inhibitory neurotransmitter. It decreases the discharge rate of many central neurons, leading to a decrease in alertness and arousal. This is why adenosine is often associated with sleep and relaxation.

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Adenosine Is A

Question 10

Multiple Choice

Adenosine is a:

A) depressant that increases the discharge rate of many central neurons.
B) depressant that decreases the discharge rate of many central neurons.
C) stimulant that increases the discharge rate of many central neurons.
D) stimulant that decreases the discharge rate of many central neurons.

Correct Answer: