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Practice Question

A client with dehydration is prescribed a potassium chloride infusion at 10 mEq/hr. Potassium chloride 80 mEq is mixed with 1 liter of normal saline. The nurse should regulate the infusion pump to deliver how many mL/hour? (Enter numeric value only. If rounding is required, round to the nearest whole number.)

Answer Choices:

Correct Answer:

125

Rationale:

⏺️ The IV bag contains 80 mEq of potassium chloride in 1,000 mL of normal saline.

⏺️ The prescription is to infuse 10 mEq per hour.

⏺️ Step-by-step Calculation:

  1. Determine the potassium concentration:
  2. 80 mEq/1000 mL=0.08 mEq/mL
  3. Calculate how many mL will deliver 10 mEq:
  4. 10 mEq/0.08 mEq/mL=125 mL/hr
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RN-Hesi Dosage Calculation Care

41 Questions

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Question Details
  • Category: RN Nursing Exam(s)
  • Subcategory: HESI Exam(s)
  • Domain: Hesi Dosage Calculations
  • Answer Choices: 1
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