A nurse is assessing a client with severe pre-eclampsia who is receiving magnesium sulfate infusion.
Which finding should alert the nurse to suspect magnesium toxicity?
Respiratory rate of 10 breaths/min
Deep tendon reflexes of 2+
Urine output of 40 mL/hour
Serum magnesium level of 6 mq/L
The Correct Answer is A
Respiratory rate of 10 breaths/min.
This is a sign of magnesium toxicity, which can occur when a client receives magnesium sulfate infusion for severe pre-eclampsia. Magnesium toxicity can cause muscle weakness, difficulty breathing, irregular heartbeats, and cardiac arrest.
Choice B is wrong because deep tendon reflexes of 2+ are normal and do not indicate magnesium toxicity.
Choice C is wrong because urine output of 40 mL/hour is adequate and does not indicate magnesium toxicity.
The minimum urine output for an adult is 30 mL/hour.
Choice D is wrong because serum magnesium level of 6 mEq/L is within the normal range of 1.7 to 2.3 mEq/L and does not indicate magnesium toxicity. Magnesium levels above 2.6 mEq/L can indicate hypermagnesemia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","C"]
Explanation
The correct answer is choice A and C. A client with HELLP syndrome is at risk for bleeding, liver damage, and fluid overload or transfusion reaction.Therefore, the nurse should monitor vital signs and urine output to assess for signs of shock, hemorrhage, or renal failure.The nurse should also check for signs of fluid overload or transfusion reaction such as dyspnea, crackles, edema, fever, chills, or rash.
Choice B is wrong because corticosteroids are not indicated for clients with HELLP syndrome unless they have severe thrombocytopenia or need to delay delivery for fetal lung maturity.Corticosteroids may worsen the liver function and increase the risk of infection.
Choice D is wrong because encouraging oral intake of fluids and electrolytes may exacerbate fluid overload and hypertension in clients with HELLP syndrome.Fluid restriction and diuretics may be prescribed to reduce the risk of pulmonary edema and cerebral edema.
Choice E is wrong because maintaining bed rest and a quiet environment may not be sufficient to prevent the progression of HELLP syndrome.The definitive treatment for HELLP syndrome is delivery of the fetus and placenta as soon as possible.Bed rest and a quiet environment may help reduce blood pressure and stress, but they are not the main interventions for this condition.
Correct Answer is C
Explanation
This is a manifestation of severe preeclampsia that indicates liver involvement and can precede a seizure.
The nurse should report this finding to the provider immediately and prepare for possible delivery of the baby.
Choice A is wrong because blood pressure of 150/90 mm Hg is a sign of mild preeclampsia, not severe.Severe preeclampsia is diagnosed when the systolic pressure is 160 mm Hg or higher or the diastolic pressure is 110 mm Hg or higher.
Choice B is wrong because urine protein of 2+ is also a sign of mild preeclampsia, not severe.Severe preeclampsia is diagnosed when the urine protein is 3+ or higher.
Choice D is wrong because facial edema is a common finding in normal pregnancy and does not indicate severe preeclampsia.Other signs of severe preeclampsia include headache, blurred vision, oliguria, thrombocytopenia, and pulmonary edema.
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