The healthcare provider prescribes magnesium sulfate 300 mg/hour IV. The IV bag is contains magnesium sulfate 4 grams in dextrose 5% in water (DW) 500 mL. How many mL/hour should the nurse set the infusion pump? (Enter numerical value only. If rounding is required, round to the nearest tenth.)
The Correct Answer is ["37.5"]
Convert grams to milligrams: 4 grams = 4000 mg
Determine the concentration of magnesium sulfate in the solution: 4000 mg / 500 mL = 8 mg/mL
Calculate the volume needed to deliver 300 mg/hour:
300 mg/hour ÷ 8 mg/mL = 37.5 mL/hour
Therefore, the nurse should set the infusion pump to deliver 37.5 mL/hour.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
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Explanation
A. Begin therapy 1 week before the next normal menstrual cycle:
Misoprostol is used to prevent NSAID-induced gastric ulcers and to induce labor or manage miscarriage. It is not specifically tied to the timing of the menstrual cycle. The client should start therapy according to the provider's instructions, which will not necessarily be related to the menstrual cycle.
B. Call the healthcare provider immediately if there is a chance of conception:
Misoprostol is contraindicated during pregnancy due to its potential to cause uterine contractions and possible abortion. This statement correctly highlights the need to inform the healthcare provider if there is a chance of conception, as the medication poses risks to pregnancy.
C. Use condoms and a backup method of birth control to prevent pregnancy:
This is an appropriate and necessary precaution when taking misoprostol due to its potential teratogenic effects and risks to pregnancy. Using effective contraception is important to prevent unintended pregnancy while on this medication.
D. Ensure a negative pregnancy test result 2 weeks before therapy:
This is a standard precaution to ensure that the client is not pregnant before starting misoprostol, which is crucial due to its potential effects on pregnancy. A negative pregnancy test is essential for safe use of the medication.
Correct Answer is A
Explanation
A. Double the dose if a dose is missed:
This instruction is incorrect. Clients should not double their dose of allopurinol if they miss a dose. Instead, they should take the missed dose as soon as they remember, unless it is almost time for the next dose. Doubling the dose can lead to overdose and potential side effects.
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Reducing caffeine and acidic foods can help manage gout and lower uric acid levels, making this advice appropriate.
C. Avoid taking on an empty stomach:
While allopurinol can be taken with or without food, some clients might find it less irritating if taken with food. This guidance is intended to reduce gastrointestinal discomfort.
D. Consume 2 liters of water daily:
Drinking adequate fluids helps prevent kidney stones and promotes overall kidney health, which is especially important when taking allopurinol. This advice supports effective medication use and overall health.
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