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Practice Question

A nurse is setting the infusion rate for an IV fluid order of 1000 mL of normal saline over 8 hours. What should the infusion pump rate be ser to

Answer Choices:

Correct Answer:

125 mL/hr.

Rationale:

◈ IV pump rate formula: Total volume ÷ hours → 1000 mL ÷ 8 hr = 125 mL/hr.

◈ The pump must be exact because incorrect rates can lead to underhydration or fluid overload.

◈ Infusion pumps administer fluids based on hourly precision, making accurate calculation essential for safety.

◈ Normal saline requires controlled infusion to avoid electrolyte shifts or circulatory overload.

◈ This calculation aligns with standard nursing dosage-calculation principles.

100 mL/hr

◈ Would deliver only 800 mL in 8 hours, leading to under-infusion.

◈ Fails to meet provider order.

150 mL/hr

◈ Would deliver 1200 mL, exceeding the ordered volume.

◈ Places patient at risk for fluid overload.

80 mL/hr

◈ Only 640 mL would infuse, under 2/3 of ordered amount.

◈ Could compromise fluid balance.

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This question is from ATI PN Fundamentals IV Fluids & Central Line Management Exam which contains 46 questions.

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ATI PN Fundamentals IV Fluids & Central Line Management Exam

46 Questions

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Question Details
  • Category: LPN Nursing Exam(s)
  • Subcategory: LPN ATI Exams
  • Domain: Fundamentals of Nursing
  • Answer Choices: 4
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