The drug Naloxone can be used to reverse opioid overdoses. It works by preventing the binding of opioids to their receptors. Naloxone must therefore be
A)a foil.
B)a protagonist.
C)an agonist.
D)an antagonist.
E)a catalyst.

Question

Quizplus · Accepted Answer

Naloxone is an antagonist because it blocks or dampens the opioid receptors' activity by preventing opioids from binding to them, thereby reversing the effects of opioid overdose.

The Drug Naloxone Can Be Used to Reverse Opioid Overdoses