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

Answer and Explanation

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.

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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

A. Fetal heart rate of 140 beats/min B. Fetal movement of 10 times in an hour C. Oligohydramnios on ultrasound D. Reactive nonstress test

Correct Answer is C

Explanation

Oligohydramnios on ultrasound.Oligohydramnios is a condition where the amniotic fluid volume is less than expected for gestational age.It can be a sign of fetal compromise due to various causes, such as renal abnormalities, placental insufficiency, premature rupture of membranes, or chromosomal anomalies.Oligohydramnios can lead to complications such as fetal deformities, preterm birth, infection, or stillbirth.

Choice A is wrong because a fetal heart rate of 140 beats/min is within the normal range for most of pregnancy.

Choice B is wrong because fetal movement of 10 times in an hour is also within the normal range and indicates fetal well-being.

Choice D is wrong because a reactive nonstress test is a reassuring sign that the fetus is not hypoxic or stressed.

Normal ranges:

• Amniotic fluid index (AFI): 5-25 cm

• Fetal heart rate: 110-160 beats/min

• Fetal movement: at least 10 movements in 2 hours

• Nonstress test: at least two accelerations of fetal heart rate of 15 beats/min for 15 seconds or more in 20 minutes

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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?

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Naxlex Comprehensive Predictor Exams

A nurse is teaching a pregnant client about the risk factors for pre-eclampsia. Which of the following should the nurse include? (Select all that apply).

Correct Answer is ["B","C","D","E"]

Explanation

A nurse is evaluating the fetal status of a client who has preeclampsia and is receiving magnesium sulfate. Which of the following findings should the nurse report to the provider as a sign of fetal compromise?

Correct Answer is C

Explanation

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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?