A nurse receives an order for morphine sulfate (Astramorph) to be administered as an intravenous push (IVP) for severe pain. When giving morphine sulfate (Astramorph) IVP, the nurse understands that this medication needs to be pushed for how long to prevent adverse reactions?
30 to 60 seconds
1 to 2 minutes
4 to 5 minutes
4 to 5 seconds
The Correct Answer is B
A. Pushing morphine too quickly (within 30 to 60 seconds) can increase the risk of adverse effects.
B. To reduce the risk of respiratory depression, hypotension, and other adverse effects, morphine sulfate should be administered slowly over 1 to 2 minutes when given intravenously.
C. Pushing over 4 to 5 minutes is excessive and unnecessary for morphine IVP administration.
D. Pushing morphine too quickly (4 to 5 seconds) can cause serious complications, including respiratory depression.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
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.
Correct Answer is A
Explanation
A. Dantrolene (Dantrium) is used to treat malignant hyperthermia, a life-threatening condition triggered by certain anesthetic agents. It works by inhibiting calcium release from the sarcoplasmic reticulum in muscle cells, reducing muscle rigidity and preventing further complications.
B. Dantrolene is not used for treating status epilepticus; other medications such as benzodiazepines are used for that purpose.
C. Dantrolene is not used for overactive bladder; medications like anticholinergics or beta-3 agonists are typically prescribed for this condition.
D. While dantrolene can relieve muscle spasms, it is primarily used for conditions like malignant hyperthermia and spasticity from conditions like cerebral palsy or spinal cord injury, rather than just for muscle injury.
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