In evaluating the effectiveness of magnesium sulfate for the treatment of preterm labor, what finding would alert the nurse to possible side effects?
A) Urine output of 160 ml in 4 hours
B) Deep tendon reflexes 2+ and no clonus
C) Respiratory rate of 16 breaths/min
D) Serum magnesium level of 10 mg/dl

Question

Quizplus · Accepted Answer

A serum magnesium level of 10 mg/dl is above the therapeutic range for magnesium sulfate and puts the patient at risk for toxic side effects such as respiratory depression, decreased reflexes, and cardiac arrest. Option A indicates a normal urine output. Option B indicates normal deep tendon reflexes and no clonus, which is a desirable finding. Option C indicates a normal respiratory rate.

In Evaluating the Effectiveness of Magnesium Sulfate for the Treatment