A drug that binds with a postsynaptic receptor, but does not open ion channels, would be termed a(n)
A) direct agonist.
B) ligand.
C) direct synergist.
D) direct antagonist.
E) indirect antagonist

Question

Quizplus · Accepted Answer

A drug that binds with a postsynaptic receptor but does not open ion channels is termed a direct antagonist. Direct agonists bind to and activate receptors, while indirect antagonists bind and prevent the activation of receptors but do not interact with the receptor directly. Ligand and direct synergist are not specific terms for this type of drug action.

A Drug That Binds with a Postsynaptic Receptor, but Does