A nurse is assessing a client who has severe preeclampsia and is receiving magnesium sulfate via continuous IV infusion.
Which of the following findings should alert the nurse to suspect magnesium toxicity?
Respiratory rate 10/min
Urine output 40 mL/hr
Patellar reflex 2+
Serum magnesium level 4.5 mEq/L
The Correct Answer is A
Respiratory rate 10/min. This indicates muscle weakness and difficulty breathing, which are symptoms of magnesium toxicity. Magnesium sulfate is a medication that can cause magnesium overdose if given in excess or if the patient has impaired kidney function.
Choice B. Urine output 40 mL/hr is wrong because this is within the normal range for urine output, which is 30 to 50 mL/hr. Urine output may decrease in severe cases of magnesium toxicity due to urine retention.
Choice C. Patellar reflex 2+ is wrong because this is a normal finding for the knee-jerk reflex. A low or absent patellar reflex may indicate magnesium toxicity, as it reflects muscle weakness and nerve dysfunction.
Choice D. Serum magnesium level 4.5 mEq/L is wrong because this is within the normal range for serum magnesium, which is 1.7 to 2.3 mEq/L. Serum magnesium levels above 2.6 mEq/L can indicate hypermagnesemia or magnesium overdose.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","C","D","E"]
Explanation
The correct answer is choices B, C, D, and E.These are all risk factors for pre-eclampsia according to various sources.
Choice A is wrong because age over 35 years is not a risk factor for pre-eclampsia by itself, although it may be associated with other conditions that increase the risk, such as chronic hypertension or diabetes.
Pre-eclampsia is a complication of pregnancy that involves high blood pressure, protein in the urine, and organ damage.It can affect both the mother and the fetus and can lead to serious complications such as eclampsia (seizures), placental abruption, and stillbirth.It is more common in first pregnancies, especially with a new partner, because of the immune response to the foreign fetal antigens.Obesity, diabetes mellitus, and multiple gestation are also risk factors because they increase the metabolic and vascular demands on the placenta and the mother.
Normal ranges for blood pressure and proteinuria in pregnancy are:
• Blood pressure: less than 140/90 mmHg
• Proteinuria: less than 300 mg/24 hours or less than 30 mg/dL on a random urine sample
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.
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