Which of the following medication acts as an antagonist on mu receptors and agonists of kappa receptors?
Morphine Sulfate (Astramorph)
Naloxone (Narcan
Butorphanol Stado
Acetaminophen (scenc)
The Correct Answer is C
A. Morphine is a full agonist on mu receptors and does not act on kappa receptors in the same way.
B. Naloxone is an opioid antagonist that blocks both mu and kappa receptors.
C. Butorphanol is a mixed opioid agonist-antagonist that acts as an agonist on kappa receptors and an antagonist on mu receptors. It is used for pain management and has a lower risk of dependence compared to full opioid agonists.
D. Acetaminophen does not act on opioid receptors and is not classified as an opioid.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["C","D"]
Explanation
A. Oxycodone is an opioid agonist, not an antagonist. It is used for pain management.
B. Naproxen is a nonsteroidal anti-inflammatory drug (NSAID), not an opioid antagonist. It is used to reduce inflammation and pain.
C. Naltrexone is an opioid antagonist that blocks the effects of opioids and is used for treating opioid addiction and alcohol use disorder.
D. Naloxone (Narcan) is an opioid antagonist used to reverse opioid overdose by blocking the effects of opioids on the brain.
Correct Answer is ["C","D"]
Explanation
A. Coma is typically a symptom of opioid overdose, not abstinence syndrome.
B. Pinpoint pupils are commonly associated with opioid toxicity, not abstinence syndrome.
C. Fever is a sign of abstinence syndrome, which can occur after opioid withdrawal.
D. Vomiting is also a symptom of abstinence syndrome, which is a withdrawal reaction that can occur when naloxone reverses opioid effects.
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