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
Explanation
A. Redness and swelling of the leg may indicate a deep vein thrombosis (DVT), which is a known risk with raloxifene.
B. Swelling of the lower leg is a common sign of DVT, which is a potential side effect of raloxifene.
C. Jaundice is not a typical adverse effect of raloxifene. However, if a client experiences jaundice, it could indicate a liver issue, and the medication should be reviewed.
D. Tenderness in the lower leg could also indicate DVT, another serious adverse effect related to raloxifene.
Correct Answer is C
Explanation
A. Morphine is contraindicated for clients with a history of biliary colic because it can cause spasm of the bile ducts, worsening the condition.
B. Acetaminophen is an effective pain reliever for mild to moderate pain but does not provide the same level of pain relief as morphine for severe pain.
C. Meperidine (Demerol) is a safer alternative for clients with biliary colic because it has less effect on the sphincter of Oddi, reducing the risk of spasm.
D. Naloxone is an opioid antagonist used to reverse opioid toxicity, not for pain management.
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