The patient has been on IV magnesium sulfate for severe preeclampsia for 24 hours. On assessment, the nurse finds the following vital signs: temperature of 37.3 C, HR 88, RR 9. B/P 140/90, absent deep tendon reflexes, and no ankle clonus. The patient complains, "I am so thirsty and warm," and seems lethargic. The nurse's first action is to:
Call for a STAT magnesium level
Do nothing, this is the expected action of magnesium
Prepare to administer hydralazine
Decrease or Discontinue the magnesium sulfate infusion
The Correct Answer is D
A. Call for a STAT magnesium level. While obtaining a magnesium level is important to confirm magnesium toxicity, the priority action is to stop or reduce the infusion immediately to prevent further toxicity and respiratory depression.
B. Do nothing, this is the expected action of magnesium. Absent deep tendon reflexes, lethargy, and respiratory depression (RR 9) are signs of magnesium toxicity, not expected therapeutic effects. Immediate intervention is necessary to prevent worsening respiratory and cardiac complications.
C. Prepare to administer hydralazine. Hydralazine is used to treat hypertension in preeclampsia, but this patient’s blood pressure is not critically high, and the primary concern is magnesium toxicity, not hypertension. Administering hydralazine would not address the immediate life-threatening issue.
D. Decrease or Discontinue the magnesium sulfate infusion. The first action in magnesium toxicity is to stop or reduce the infusion to prevent further accumulation. If symptoms worsen, calcium gluconate, the antidote for magnesium toxicity, may be administered to reverse its effects, especially if respiratory depression progresses.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. "I don't need to see the doctor for another year when I will come back for follow-up." This statement is incorrect because close follow-up is essential after a molar pregnancy to monitor for gestational trophoblastic disease (GTD) or choriocarcinoma. Regular hCG level monitoring is required weekly until levels are undetectable, then monthly for at least 6–12 months. Delaying follow-up for a year could lead to missed complications.
B. "I will use contraception for the next year." This statement is correct. Pregnancy should be avoided for at least one year after a molar pregnancy to ensure accurate monitoring of hCG levels. A rising hCG level could indicate malignant transformation rather than a new pregnancy.
C. "I need to be monitored for choriocarcinoma during the next year." This statement is correct. Choriocarcinoma is a potential complication of molar pregnancy, and early detection through serial hCG monitoring is crucial. Any persistent or rising hCG levels may indicate malignancy requiring chemotherapy.
D. "I am so sad that I lost this baby." This statement is understandable. A molar pregnancy is an emotionally distressing event, and feelings of grief and loss are valid. Emotional support, counseling, or support groups may be beneficial for the patient’s mental well-being.
Correct Answer is A
Explanation
A. The cervix is effacing and dilated to 2 cm. Cervical changes, including effacement and dilation, are the most definitive signs of preterm labor. Uterine contractions alone do not confirm preterm labor unless they result in cervical dilation, indicating that labor is progressing.
B. Irregular, mild uterine contractions are occurring every 15-30 minutes. Irregular contractions, known as Braxton Hicks contractions, can be common in pregnancy and do not necessarily indicate preterm labor. True preterm labor involves regular contractions that lead to cervical changes.
C. Estriol is not found in maternal saliva. The absence of estriol in maternal saliva does not confirm or rule out preterm labor. Salivary estriol testing is not a widely used or reliable diagnostic tool for determining the onset of preterm labor.
D. Fetal fibronectin is present in vaginal secretion. Fetal fibronectin (fFN) is a protein found in vaginal secretions between 22-34 weeks of pregnancy and can indicate a risk of preterm labor, but its presence alone does not confirm that labor is actively occurring. A positive fFN test means the patient may be at increased risk for preterm labor, but cervical changes remain the best indicator of actual labor.
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