Caffeine is an antagonist and therefore it is an example of a drug that:
A) inhibits the action of a neurotransmitter.
B) mimics the action of a neurotransmitter by binding with and stimulating postsynaptic receptor sites.
C) increases the action of a neurotransmitter.
D) makes it more difficult for neurotransmitters to be deactivated.
Correct Answer:
Verified
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