Which of the following is not a way that a drug affects the brain?
A)cause the neurotransmitter to leak out of a synaptic vesicle into the axon terminal
B)promote the release of the neurotransmitter into the synaptic cleft
C)block the enzyme that causes breakdown of the neurotransmitter
D)mimics the action of a neurotransmitter by binding to the receptor
E)builds up along the outside of the brain because it cannot pass the blood-brain barrier

Question

Quizplus · Accepted Answer

Drugs cannot build up along the outside of the brain because they cannot pass the blood-brain barrier, which is a protective membrane that prevents certain substances from entering the brain. Therefore, this is not a way that a drug can affect the brain. Choices A through D, on the other hand, are all ways that drugs can affect the brain by altering neurotransmitter function.

Which of the Following Is Not a Way That a Drug