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The healthcare provider prescribes magnesium sulfate 4 grams intravenously (IV) to be infused over 20 minutes for a client with preeclampsia.

The IV bag contains magnesium sulfate 20 grams in dextrose 5% in water 500 mL. How many mL/hour should the nurse program the infusion pump?

Answer and Explanation

The Correct Answer is ["300"]

Step 1:

4 grams ÷ 20 grams × 500 mL = 100 mL

Step 2:

100 mL ÷ 20 minutes × 60 minutes/hour = 300 mL/hour

Answer:

300 mL/hour

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Correct Answer is B

Explanation

Choice B rationale

When preparing to administer magnesium sulfate to a laboring client with elevated blood pressure, ensuring that calcium gluconate is immediately available is of the highest priority. Calcium gluconate is the antidote for magnesium sulfate toxicity, and having it readily available is crucial in case of an overdose.

Choice A rationale

While assessing deep tendon reflexes (DTRs) every 4 hours is an important part of monitoring a client receiving magnesium sulfate, it is not the most immediate priority when preparing to administer the medication.

Choice C rationale

Inserting a Foley catheter with a urimeter to monitor hourly output is an important part of the overall management of a client receiving magnesium sulfate. However, it is not the most immediate priority when preparing to administer the medication.

Choice D rationale

Providing a quiet environment with subdued lighting can contribute to the comfort of a laboring client. However, it is not the most immediate priority when preparing to administer magnesium sulfate.

A. Episodes of headache and irritability. B. Persistent daytime fatigue. C. Nausea and vomiting. D. Rapid increase in abdominal girth.

Correct Answer is D

Explanation

Choice A rationale

While episodes of headache and irritability can occur as side effects of metformin and menotropins, they are not typically severe enough to warrant immediate reporting.

Choice B rationale

Persistent daytime fatigue can be a side effect of these medications, but it is also a common symptom in pregnancy and is not typically a cause for immediate concern.

Choice C rationale

Nausea and vomiting can occur as side effects of these medications. However, they are common side effects and are not typically a cause for immediate concern unless they are severe or persistent.

Choice D rationale

A rapid increase in abdominal girth can be a sign of ovarian hyperstimulation syndrome, a rare but potentially serious side effect of fertility treatments. This condition can cause rapid weight gain, abdominal pain, and bloating, and should be reported immediately.

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The healthcare provider prescribes magnesium sulfate 4 grams intravenously (IV) to be infused over 20 minutes for a client with preeclampsia. The IV bag contains magnesium sulfate 20 grams in dextrose 5% in water 500 mL. How many mL/hour should the nurse program the infusion pump?

Nursing Test Bank

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Explanation

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The healthcare provider prescribes magnesium sulfate 4 grams intravenously (IV) to be infused over 20 minutes for a client with preeclampsia.

The IV bag contains magnesium sulfate 20 grams in dextrose 5% in water 500 mL. How many mL/hour should the nurse program the infusion pump?