A partial opioid receptor agonist is one that:
A) only activates one type of opioid receptor.
B) doesn't activate every opioid receptor it binds to.
C) has some of its drug molecules unable to cross the blood-brain barrier.
D) may either increase or decrease the activity of a receptor.

Question

Quizplus · Accepted Answer

A partial opioid receptor agonist binds to and activates opioid receptors, but only to a partial extent, resulting in a lower level of response than that produced by a full agonist. Therefore, it does not activate every receptor it binds to, making it a partial agonist.

A Partial Opioid Receptor Agonist Is One That