The healthcare provider prescribes a maintenance dose of magnesium sulfate 2 grams per hour intravenously (IV) for a client with preeclampsia.
The IV bag contains magnesium sulfate 20 grams in dextrose 5% in water 500 mL. How many mL/hour should the nurse program the infusion pump? (Enter numerical value only)
The Correct Answer is ["50"]
Step 1 is (2 grams/hour ÷ 20 grams) × 500 mL.
Step 2 is (2 ÷ 20) × 500.
Step 3 is 0.1 × 500. The final calculated answer is 50 mL/hour.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale: Increasing the infusion rate of magnesium sulfate without medical approval is not appropriate. The prescribed rate should be followed unless the provider orders a change.
Choice B rationale: Assessing the client’s deep tendon reflexes and respiratory rate before administering magnesium sulfate is crucial. Magnesium sulfate can depress the central nervous system and respiratory function, so baseline assessments are necessary to identify any adverse effects early.
Choice C rationale: Stopping the infusion for variable decelerations is not the initial step. Variable decelerations may need to be addressed, but it is not the priority action before starting magnesium sulfate.
Choice D rationale: Administering an antihypertensive medication is important if the blood pressure remains elevated, but it is not specified as required before starting magnesium sulfate.
Correct Answer is D
Explanation
Assessing vital signs is important but not the most immediate action for heavy postpartum bleeding. It provides information about the client's current status but does not address the bleeding directly.
Choice B rationale
Increasing the IV infusion rate can help manage blood loss by maintaining blood volume, but it is not the first action to take when managing postpartum hemorrhage.
Choice C rationale
Notifying the healthcare provider is important but secondary to addressing the immediate cause of the bleeding. The provider will need information about the client's status and the actions taken to manage the situation.
Choice D rationale
Massaging the fundus is the most immediate and effective action to reduce postpartum hemorrhage. It stimulates uterine contractions, which helps to clamp down on the blood vessels and stop the bleeding.
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