NCLEX Practice Test RN Related

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A gravida 2 para 1 client is hospitalized with severe preeclampsia. While she receives magnesium sulfate (MgSO4) therapy, the nurse knows it is safe to repeat the dosage if:

  • A. Deep tendon reflexes are absent
  • B. Urine output is 20 mL/hr
  • C. MgSO4 serum levels are >15 mg/dL
  • D. Respirations are >16 breaths/min
Correct Answer: D

Rationale: Respirations >16 breaths/min indicate that toxic magnesium levels have not been reached, making it safe to repeat the dose.