Which of the following is an endogenous opioid?

Prepare for the Manor Preboards Test with module 4 quiz. Utilize flashcards and interactive questions, each designed with helpful explanations. Get ready for your success!

Multiple Choice

Which of the following is an endogenous opioid?

Explanation:
Endogenous opioids are the body's own opioid peptides that regulate pain by binding to opioid receptors. Enkephalin is one of these natural peptides produced in the nervous system, derived from proenkephalin and acting on delta (and to some extent mu) receptors to dampen pain signals. The other options are external drugs—synthetic or semi-synthetic opioids used for analgesia—so they are not endogenous. Thus, enkephalin is the endogenous opioid in this list.

Endogenous opioids are the body's own opioid peptides that regulate pain by binding to opioid receptors. Enkephalin is one of these natural peptides produced in the nervous system, derived from proenkephalin and acting on delta (and to some extent mu) receptors to dampen pain signals. The other options are external drugs—synthetic or semi-synthetic opioids used for analgesia—so they are not endogenous. Thus, enkephalin is the endogenous opioid in this list.

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