If 10 mg of morphine produces a greater analgesic response than can be achieved by ibuprofen at any dose, which of the following statements is correct?

Question

Quizplus · Accepted Answer

Morphine is a full agonist, meaning that it produces a maximal response at any dose. Ibuprofen is a partial agonist, meaning that it produces a submaximal response at any dose. Therefore, morphine is a better drug to take for pain relief than is ibuprofen.  Based on the information presented here, since morphine is more efficacious than is ibuprofen, it is going to provide more pain relief. As long as the situation warrants the necessity of such efficacious pain relief and without any information about differences in side effects caused by the two drugs, morphine is the better choice. Choice C would only be true if both drugs bound to the same receptor population, and that is not the case. The other choices are incorrect statements

If 10 Mg of Morphine Produces a Greater Analgesic Response