A nurse is assisting with the care of a client who has severe preeclampsia and is receiving magnesium sulfate IV at 2 g/hr. Which of the following findings indicates that it is safe for the nurse to continue the infusion?

Respiratory rate of 16/min.

Heart rate of 60/min.

Urine output of 50 mL in 4 hr.

Diminished deep-tendon reflexes.

Answer and Explanation

The Correct Answer is A

The correct answer is choice A: Respiratory rate of 16/min.

Choice A rationale:

A respiratory rate of 16/min is within the normal range for adults, which is typically between 12 to 20 breaths per minute. In the context of severe preeclampsia, maintaining a normal respiratory rate is crucial when administering magnesium sulfate IV, as one of the signs of magnesium toxicity is respiratory depression. Therefore, a respiratory rate of 16/min indicates that the client is not experiencing respiratory depression and it is safe to continue the magnesium sulfate infusion.

Choice B rationale:

A heart rate of 60/min is at the lower end of the normal range, which is 60 to 100 beats per minute for adults. However, bradycardia or a low heart rate can be a sign of magnesium sulfate toxicity, especially if accompanied by other symptoms such as hypotension or altered mental status. Without additional context, a heart rate of 60/min alone does not necessarily indicate it is unsafe to continue the infusion, but it would require further assessment.

Choice C rationale:

A urine output of 50 mL in 4 hours is significantly below the expected minimum of 30 mL/hour for adults. Adequate urine output is an important indicator of kidney function and is essential for the excretion of magnesium. In the case of magnesium sulfate infusion for severe preeclampsia, a low urine output could indicate renal insufficiency and an increased risk of magnesium toxicity. Therefore, a urine output of 50 mL in 4 hours is a contraindication for continuing the infusion without further evaluation.

Choice D rationale:

Diminished deep-tendon reflexes can be a sign of magnesium toxicity. Deep-tendon reflexes are assessed to monitor for signs of magnesium overdose during infusion, as magnesium acts as a central nervous system depressant at high levels. If deep-tendon reflexes are diminished, it may suggest that the serum magnesium levels are too high, and the infusion should be paused or discontinued to prevent further toxicity.

In summary, the only finding that clearly indicates it is safe to continue the magnesium sulfate infusion is a normal respiratory rate, as provided in choice A. The other options either require further assessment or are indicators of potential magnesium toxicity.

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Correct Answer is B

Explanation

Choice A rationale:
Severe nausea and vomiting are not indicative of an ectopic pregnancy. While nausea and vomiting are common symptoms in early pregnancy, they are not specific to ectopic pregnancies. These symptoms are more likely associated with typical pregnancy changes.

Choice B rationale:
Pelvic pain is a crucial finding that the nurse should expect in a possible ectopic pregnancy. As the pregnancy implants outside of the uterus, usually in the fallopian tube, it can cause sharp and severe pain in the pelvic region. This pain may be unilateral and can be accompanied by shoulder pain due to blood or fluid irritating the diaphragm.

Choice C rationale:
Uterine enlargement greater than expected for gestational age is not likely in an ectopic pregnancy. In fact, uterine enlargement may not be noticeable at all in an ectopic pregnancy since the embryo is not developing in the uterus.

Choice D rationale:
Copious vaginal bleeding is more commonly associated with miscarriages or other complications in intrauterine pregnancies. In an ectopic pregnancy, vaginal bleeding may occur, but it is typically lighter and often described as spotting.

A. Confirm identification and apply a bracelet. B. Examine the newborn for birth defects. C. Dry the newborn. D. Conduct a gestational age assessment.

Correct Answer is C

Explanation

The correct answer is choice c. Dry the newborn.

Choice A rationale:

Confirming identification and applying a bracelet is important for ensuring the newborn’s identity and preventing mix-ups, but it is not the immediate priority right after birth.

Choice B rationale:

Examining the newborn for birth defects is crucial for identifying any immediate health concerns, but it should be done after initial stabilization measures like drying and warming the newborn.

Choice C rationale:

Drying the newborn is the first action the nurse should take immediately after delivery. This helps to prevent heat loss and maintain the newborn’s body temperature, which is critical for their survival and well-being.

Choice D rationale:

Conducting a gestational age assessment is important for determining the newborn’s maturity and potential health risks, but it is not the immediate priority right after birth.

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A nurse is assisting with the care of a client who has severe preeclampsia and is receiving magnesium sulfate IV at 2 g/hr. Which of the following findings indicates that it is safe for the nurse to continue the infusion?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is B

Explanation

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Correct Answer is C

Explanation

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