A nurse is caring for a client who has preeclampsia and is being treated with magnesium sulfate IV. The client's respiratory rate is 10/min and deep-tendon reflexes are absent. Which of the following actions should the nurse take?
Prepare for an emergency cesarean birth.
Discontinue the medication infusion.
Place the client in Trendelenburg's position.
Assess maternal blood glucose.
The Correct Answer is B
Choice A) Prepare for an emergency cesarean birth is incorrect because this is not a priority or appropriate action for a nurse who is caring for a client who has preeclampsia and is being treated with magnesium sulfate IV.
Preeclampsia is a condition that causes high blood pressure, proteinuria, and edema during pregnancy. It can lead to complications such as eclampsia, which is seizures, or HELLP syndrome, which is hemolysis, elevated liver enzymes, and low platelets. Magnesium sulfate is a medication that helps to prevent or treat seizures in preeclamptic clients by relaxing the muscles and nerves. However, it can also cause side effects such as respiratory depression, hypotension, or loss of reflexes. Preparing for an emergency cesarean birth may be necessary if the client has severe preeclampsia or fetal distress, but it does not address the immediate problem of magnesium toxicity. Therefore, this action should be done only when indicated by the physician and after stabilizing the client's condition.
Choice B) Discontinue the medication infusion is correct because this is a priority and appropriate action for a nurse who is caring for a client who has preeclampsia and is being treated with magnesium sulfate IV. Discontinuing the medication infusion can help to stop or reduce the adverse effects of magnesium sulfate, such as respiratory depression, hypotension, or loss of reflexes. These effects can indicate magnesium toxicity, which is a life-threatening condition that can cause cardiac arrest or coma. The nurse should also notify the physician and prepare to administer calcium gluconate, which is an antidote for magnesium toxicity. Therefore, this action should be done as soon as possible for clients who show signs of magnesium overdose.
Choice C) Place the client in Trendelenburg's position is incorrect because this is not a safe or suitable action for a nurse who is caring for a client who has preeclampsia and is being treated with magnesium sulfate IV.
Trendelenburg's position means lying on the back with the head lower than the feet. It is sometimes used to improve blood flow to the brain or heart in cases of shock or hypotension. However, it can also cause complications such as increased intracranial pressure, decreased lung expansion, aspiration, or acid reflux. Moreover, it does not help to reverse or prevent the side effects of magnesium sulfate, such as respiratory depression, hypotension, or loss of reflexes. Therefore, this action should be avoided or used with caution for clients who are receiving magnesium sulfate IV.
Choice D) Assess maternal blood glucose is incorrect because this is not a relevant or necessary action for a nurse who is caring for a client who has preeclampsia and is being treated with magnesium sulfate IV. Blood glucose is the level of sugar in the blood that provides energy to the cells. It is measured by a blood test or a finger stick test. It can be affected by various factors such as diet, exercise, medication, or pregnancy. Assessing maternal blood glucose may be important for clients who have diabetes or gestational diabetes, which are conditions that cause high blood sugar levels that can harm the mother and the baby. However, it does not relate to preeclampsia or magnesium sulfate, which are conditions that affect blood pressure and nerve function. Therefore, this action should be done only when indicated by the physician and according to the client's history and needs.

Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A) Missed abortion: This is not the correct obstetric complication for methotrexate treatment. A missed abortion is a type of miscarriage in which the fetus has died but the products of conception are still retained in the uterus. Methotrexate is not used for this condition, as it can cause toxicity and bleeding. The usual treatment options for a missed abortion are expectant management, medical induction, or surgical evacuation.
Choice B) Abruptio placentae: This is not the correct obstetric complication for methotrexate treatment. Abruptio placentae is a condition in which the placenta separates from the uterine wall before delivery, causing bleeding and fetal distress. Methotrexate is not used for this condition, as it can worsen the bleeding and harm the fetus. The usual treatment options for abruptio placentae depend on the severity of the condition and the gestational age, but they may include fluid resuscitation, blood transfusion, tocolysis, or emergency delivery.
Choice C) Unruptured ectopic pregnancy: This is the correct obstetric complication for methotrexate treatment. An ectopic pregnancy is a pregnancy that implants outside of the uterine cavity, usually in the fallopian tube. An unruptured ectopic pregnancy is one that has not caused any bleeding or rupture of the tube. Methotrexate is used for this condition, as it can dissolve the pregnancy tissue and prevent further growth and complications.
Methotrexate is given as an injection and works by inhibiting folic acid metabolism, which is essential for cell division.
Methotrexate is only suitable for patients who have stable vital signs, low levels of human chorionic gonadotropin (hCG), and no fetal heartbeat or cardiac activity detected by ultrasound.
Choice D) Complete hydatidiform mole: This is not the correct obstetric complication for methotrexate treatment. A complete hydatidiform mole is a type of gestational trophoblastic disease in which there is an abnormal proliferation of placental tissue without any fetal development. Methotrexate is not used for this condition, as it can cause resistance and recurrence. The usual treatment option for a complete hydatidiform mole is suction curettage, which removes the molar tissue from the uterus.

Correct Answer is B
Explanation
Choice A) Wrap the cord loosely with a sterile towel saturated with warm normal saline: This is not an appropriate action because it does not relieve the compression of the cord, which can cause fetal hypoxia and acidosis. The cord should be kept moist, but not wrapped around anything.
Choice B) Place a sterile gloved hand into the vagina and hold the presenting part off the cord while calling for assistance: This is the correct action because it prevents further descent of the fetus and reduces the pressure on the cord, which can improve fetal oxygenation and blood flow. The nurse should also elevate the woman's hips and place her in a knee-chest or Trendelenburg position to reduce gravity. The nurse should call for immediate assistance and prepare for an emergency cesarean section.
Choice C) Increase the IV drip rate: This is not an appropriate action because it does not address the cause of the variable decelerations, which is cord compression. Increasing the IV fluid may cause fluid overload and worsen maternal and fetal outcomes.
Choice D) Administer oxygen to the woman via mask at 8 to 10 L/minute: This is not an appropriate action because it does not relieve the cord compression, which is the main threat to fetal well-being. Oxygen administration may be helpful in some cases of fetal distress, but it is not sufficient in this situation.
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