A pregnant woman at 37 weeks of gestation has had ruptured membranes for 26 hours. A cesarean section is performed for failure to progress. The fetal heart rate (FHR) before birth is 180 beats per minute with limited variability. At birth, the newborn has Apgar scores of 6 and 7 at 1 and 5 minutes and is noted to be pale and tachypneic. Based on the maternal history, what is the most likely cause of this newborn's distress?

Hypoglycemia

Phrenic nerve injury

Sepsis

Meconium aspiration syndrome

Answer and Explanation

The Correct Answer is C

Choice A reason: Hypoglycemia is a low blood sugar level that can affect newborns, especially those who are premature, small for gestational age, or have diabetic mothers. However, hypoglycemia does not explain the high FHR, the low Apgar scores, or the pale and tachypneic appearance of the newborn.

Choice B reason: Phrenic nerve injury is a rare complication of cesarean section that can cause diaphragmatic paralysis and respiratory distress in the newborn. However, phrenic nerve injury usually affects only one side of the chest, and does not cause high FHR, low Apgar scores, or pallor.

Choice C reason: Sepsis is a serious infection that can affect newborns, especially those who are exposed to prolonged rupture of membranes, as in this case. Sepsis can cause high FHR, low Apgar scores, pale and tachypneic appearance, and other signs of shock and organ failure.

Choice D reason: Meconium aspiration syndrome is a condition where the newborn inhales meconium-stained amniotic fluid into the lungs, causing respiratory distress. However, meconium aspiration syndrome usually occurs in term or post-term infants, and is associated with low FHR, not high FHR. Meconium aspiration syndrome also causes cyanosis, not pallor.

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Free Nursing Study Resources

Correct Answer is A

Explanation

Choice A reason: Respiratory rate is the priority nursing assessment for this client, because magnesium sulfate can cause respiratory depression, which is a life-threatening complication. The nurse should monitor the client's respiratory rate closely, and discontinue the infusion if it falls below 12 breaths per minute.

Choice B reason: Bowel sounds is not a priority nursing assessment for this client, because magnesium sulfate does not have a significant effect on the gastrointestinal system. The nurse should assess the client's bowel sounds as part of the routine physical examination, but it is not a critical parameter for this medication.

Choice C reason: Time of last food intake is not a priority nursing assessment for this client, because magnesium sulfate does not interact with food or affect the absorption of nutrients. The nurse should inquire about the client's dietary intake and preferences, but it is not a vital factor for this medication.

Choice D reason: Temperature is not a priority nursing assessment for this client, because magnesium sulfate does not cause fever or hypothermia. The nurse should measure the client's temperature as part of the vital signs, but it is not a key indicator for this medication.

A. Location of the placenta B. The biparietal diameter C. Fetal lung maturity D. Viability of the fetus

Correct Answer is A

Explanation

Choice A reason: This statement is correct, as the ultrasound can help diagnose placenta previa, which is a condition where the placenta covers the cervical opening and can cause painless, bright red bleeding in the third trimester. Placenta previa is a serious complication that can affect the delivery and the fetal oxygenation.

Choice B reason: This statement is incorrect, as the biparietal diameter is a measurement of the fetal head that is used to estimate the gestational age and the fetal growth. The biparietal diameter is not related to the cause or the severity of the bleeding.

Choice C reason: This statement is incorrect, as the fetal lung maturity is an assessment of the surfactant level in the amniotic fluid that is used to predict the risk of respiratory distress syndrome in preterm infants. The fetal lung maturity is not related to the cause or the severity of the bleeding.

Choice D reason: This statement is incorrect, as the viability of the fetus is an evaluation of the fetal heart rate, movement, and tone that is used to determine the fetal well-being and distress. The viability of the fetus is not related to the cause or the severity of the bleeding, although it can be affected by it.

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Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer magnesium sulfate IV to a client who is experiencing preterm labor. Which of the following is the priority nursing assessment for this client?

Correct Answer is A

Explanation

Correct Answer is A

Explanation

A nurse is caring for a client who is 12 hr postpartum. Which of the following findings should alert the nurse to the possibility of a postpartum complication?

A nurse is providing care to a mother immediately following a stillbirth delivery. Which of the following actions should the nurse take first?

A nurse is admitting a client who is at 37 weeks of gestation and has severe gestational hypertension. Which of the following actions should the nurse expect to implement? (Select all that apply.)

A woman with preeclampsia has a seizure. What is the nurse's highest priority during a seizure?

Which compound would the nurse have readily available for a client who is receiving magnesium sulfate to treat severe preeclampsia?

A nurse is caring for a client who has a suspected ectopic pregnancy at 8 weeks of gestation. Which of the following manifestations should the nurse expect to identify as consistent with the diagnosis?

A nurse is caring for a client who is 5 hr postpartum following a vaginal birth of a newborn weighing 11 lb 6 oz. (5160 g). The nurse should recognize that this client is at risk for which of the following postpartum complications?