The nurse is aware that which of the following magnesium sulfate levels should be reported to the MD and is most likely to result in toxicity?
61 mEq/L.
70 mEq/L.
29 mEq/L.
45 mEq/L.
The Correct Answer is B
Choice A rationale
A magnesium sulfate level of 61 mEq/L is high and may cause toxicity, but the most critical level is higher.
Choice B rationale
A magnesium sulfate level of 70 mEq/L is extremely high and most likely to result in toxicity, including respiratory and cardiac complications.
Choice C rationale
A magnesium sulfate level of 29 mEq/L is elevated but not necessarily indicative of toxicity.
Choice D rationale
A magnesium sulfate level of 45 mEq/L is also high but less critical compared to 70 mEq/L.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Administering epinephrine before the procedure is not standard practice to prevent hypotension associated with epidurals. Epinephrine is used in emergency situations to treat severe allergic reactions or cardiac arrest, not for preventing epidural-induced hypotension.
Choice B rationale
Positioning the client on her back prior to the procedure is not recommended, as it can exacerbate hypotension due to compression of the inferior vena cava by the gravid uterus. This position can decrease venous return to the heart and reduce cardiac output.
Choice C rationale
Having the patient eat a carbohydrate snack prior to the procedure is not a standard intervention to prevent hypotension during an epidural. Dietary intake does not directly prevent the vasodilatory effects of the epidural anesthesia.
Choice D rationale
Administering a bolus of 0.9% Normal saline IV fluid before the procedure is the correct intervention to prevent hypotension. Preloading with IV fluids increases intravascular volume, counteracting the vasodilation and potential drop in blood pressure caused by the epidural anesthesia. .
Correct Answer is D
Explanation
Choice A rationale
Ergonovine maleate is used to treat postpartum hemorrhage by causing uterine contractions. It is not used to treat hypotension caused by epidural anesthesia.
Choice B rationale
Epoetin is a medication used to treat anemia by stimulating the production of red blood cells. It is not used to treat hypotension caused by epidural anesthesia.
Choice C rationale
Adrenaline (epinephrine) is used in emergency situations to treat severe allergic reactions, cardiac arrest, and severe asthma attacks. It is not the first-line treatment for hypotension caused by epidural anesthesia.
Choice D rationale
Ephedrine is a medication used to treat hypotension caused by epidural anesthesia. It increases blood pressure by stimulating the release of norepinephrine and improving cardiac output.
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