Drugs can affect neurotransmitter systems in two main ways: either by altering the availability of the neurotransmitter in the synapse, or by doing which of the following?
A) Acting on the blood-brain barrier.
B) Altering hormone levels.
C) Acting directly on the receptors.
D) Increasing blood pressure.

Question

Quizplus · Accepted Answer

Drugs can affect neurotransmitter systems by acting directly on the receptors, either mimicking the neurotransmitter and activating the receptor (agonist) or blocking the receptor and preventing the neurotransmitter from activating it (antagonist).

Drugs Can Affect Neurotransmitter Systems in Two Main Ways: Either