A drug molecule that increases a neurotransmitter's action is called a(n)
A) antagonist.
B) endorphin.
C) agonist.
D) steroid.

Question

Quizplus · Accepted Answer

A drug molecule that increases a neurotransmitter's action is called an agonist. An antagonist, on the other hand, decreases or blocks a neurotransmitter's action. Endorphins are natural pain-relieving chemicals produced by the body, not drug molecules. Steroids are a broad category of molecules with a range of functions, but they do not necessarily impact neurotransmitter activity.

A Drug Molecule That Increases a Neurotransmitter's Action Is Called