Difficulty: Medium
Average Score: 64%
Simulated
A nurse explains that endorphins are capable of reducing pain:
Correct answer
C
Rationale
The correct answer is C: By attaching to opioid receptors. Endorphins are neurotransmitters produced by the body that can bind to opioid receptors, leading to pain relief. This mechanism occurs both in physiological and psychological conditions. Choice A is incorrect because endorphins can also reduce pain in psychological conditions. Choice B is incorrect as endorphins are not enzymes but rather neurotransmitters. Choice D is incorrect as endorphins can reduce pain regardless of the cause.