Which of the following is a depressant effect of opioids on the body?

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Study for the Pain, Opioids, and Neuropsychiatric Pharmacology Test. Explore with flashcards and multiple choice questions; each query comes with hints and explanations. Prepare to excel in your exam!

Multiple Choice

Which of the following is a depressant effect of opioids on the body?

Explanation:
Opioids depress the nervous system’s pain-processing pathways, producing analgesia. By binding mu receptors in the CNS, they dampen nociceptive transmission—reducing the perception of pain. This reduction in pain signaling is a classic depressant effect on brain circuits, and among the options, analgesia best reflects that depressive action on pain pathways. Pupil constriction is an autonomic effect and not a direct measure of CNS pain-depression; increased respiration would go against a depressant effect, and opioids typically slow gut motility leading to constipation rather than diarrhea.

Opioids depress the nervous system’s pain-processing pathways, producing analgesia. By binding mu receptors in the CNS, they dampen nociceptive transmission—reducing the perception of pain. This reduction in pain signaling is a classic depressant effect on brain circuits, and among the options, analgesia best reflects that depressive action on pain pathways. Pupil constriction is an autonomic effect and not a direct measure of CNS pain-depression; increased respiration would go against a depressant effect, and opioids typically slow gut motility leading to constipation rather than diarrhea.

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