In the presence of naloxone, a higher concentration of morphine is required to elicit full pain relief. Naloxone by itself has no effect. Which of the following is correct regarding these medications?
A) Naloxone is a competitive antagonist.
B) Morphine is a full agonist, and naloxone is a partial agonist.
C) Morphine is less efficacious than is naloxone.
D) Morphine is less potent than is naloxone.
E) Naloxone is a noncompetitive antagonist
Correct Answer:
Verified
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