Receptor antagonists are often used as drugs to block the response caused by an internal natural ligand. What property of receptors could these drugs rely on?
A) saturation
B) competitive binding
C) receptor location
D) up-regulation

Question

Quizplus · Accepted Answer

Receptor antagonists rely on competitive binding, meaning they bind to the receptor but do not activate it, blocking the response caused by the natural ligand. Saturation refers to the maximum number of receptors that can be bound by ligands, and is not directly related to antagonism. Receptor location and up-regulation are also not directly related to the mechanism of receptor antagonists.

Receptor Antagonists Are Often Used as Drugs to Block the Response