Adult Health Nursing First Chapter Quizlet Related

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A woman in active labor is receiving intravenous magnesium sulfate for the prevention of eclampsia. What maternal assessment finding indicates magnesium toxicity?

  • A. Muscle weakness
  • B. Increased deep tendon reflexes
  • C. Hypotension
  • D. Tachycardia
Correct Answer: B

Rationale: Magnesium sulfate is used to prevent eclampsia, but it can lead to toxicity if levels become too high. One common sign of magnesium toxicity is increased deep tendon reflexes, also known as hyperreflexia. This occurs because magnesium is a muscle relaxant, and elevated levels can lead to over-relaxation of muscles, causing an exaggerated reflex response. Other signs of magnesium toxicity include respiratory depression, decreased urine output, and cardiac arrest. Therefore, in a woman receiving intravenous magnesium sulfate during labor, an increase in deep tendon reflexes would indicate potential toxicity and require immediate intervention.