Certified Nurses Operating Room (CNOR) Practice Exam

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Prepare for the Certified Nurses Operating Room Test. Utilize flashcards and multiple choice questions; each accompanied by hints and in-depth explanations. Ace your exam with confidence!

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Which of the following is an opioid reversal drug?

Dantrolene
Naloxone
Flumazenil
Physostigmine

The correct answer is: Naloxone

Naloxone is recognized as an opioid reversal drug because it functions as an opioid antagonist. It binds to the same receptors in the brain that opioids occupy, effectively displacing them and reversing the effects of opioid overdose, including respiratory depression and sedation. Naloxone is often used in emergency settings for patients who have overdosed on opioids, restoring their ability to breathe and regaining consciousness. The other substances listed do not serve the same purpose. Dantrolene is primarily used for treating malignant hyperthermia and muscle spasticity. Flumazenil is a benzodiazepine antagonist used to reverse the effects of benzodiazepines, not opioids. Physostigmine is an acetylcholinesterase inhibitor that is sometimes used for anticholinergic toxicity and does not have a role in opioid reversal. Thus, naloxone stands out as the specific medication designed to counteract the effects of opioid drugs.