A nurse is reviewing the laboratory results of a client with severe pre-eclampsia who is receiving magnesium sulfate.
Which finding would indicate a therapeutic level of magnesium sulfate?
Serum magnesium level of 4.5 mEq/L
Serum calcium level of 8.5 mg/dL
Serum creatinine level of 1.2 mg/dL
Serum potassium level of 3.5 mEq/L
The Correct Answer is A
This indicates a therapeutic level of magnesium sulfate for a client with severe pre-eclampsia who is receiving magnesium sulfate. According to some sources, the effective therapeutic serum magnesium level is 1.8–3.0 mmol/L, which corresponds to 4.2–7 mg/dL or 3.5–7 mEq/L.
Choice B is wrong because serum calcium level of 8.5 mg/dL is within the normal range and does not indicate the effect of magnesium sulfate.
Choice C is wrong because serum creatinine level of 1.2 mg/dL is within the normal range and does not indicate the effect of magnesium sulfate.
Choice D is wrong because serum potassium level of 3.5 mEq/L is at the lower end of the normal range and does not indicate the effect of magnesium sulfate.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
This indicates a therapeutic level of magnesium sulfate for a client with severe pre-eclampsia who is receiving magnesium sulfate.According to some sources, the effective therapeutic serum magnesium level is 1.8–3.0 mmol/L, which corresponds to 4.2–7 mg/dL or 3.5–7 mEq/L.
Choice B is wrong because serum calcium level of 8.5 mg/dL is within the normal range and does not indicate the effect of magnesium sulfate.
Choice C is wrong because serum creatinine level of 1.2 mg/dL is within the normal range and does not indicate the effect of magnesium sulfate.
Choice D is wrong because serum potassium level of 3.5 mEq/L is at the lower end of the normal range and does not indicate the effect of magnesium sulfate.
Correct Answer is A
Explanation
Report any headache that is not relieved by acetaminophen.This is because a headache that persists despite taking pain medication can be a sign of increased blood pressure or brain swelling, which are serious complications of preeclampsia.
Choice B is wrong because some vaginal bleeding for up to 6 weeks postpartum is normal and expected for any woman who has given birth, regardless of whether she had preeclampsia or not.
Choice C is wrong because resuming sexual activity as soon as you feel comfortable is also a normal recommendation for any woman who has given birth, unless there are other medical reasons to avoid it.
Choice D is wrong because drinking at least 3 liters of fluid per day to prevent dehydration is not necessary for a woman who had preeclampsia.In fact, drinking too much fluid can worsen the swelling and fluid retention that are common in preeclampsia.
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