The pharmacy sends a bag of 150 mLs of D5W/0.456 normal saline with 25 units of Regular Insulin.
The patient is ordered to receive an insulin drip at a rate of 9 units/hour.
What rate will you set the IV pump to deliver? Numeric values only.
The Correct Answer is ["20"]
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Calculate the total units of insulin in the IV bag:
- The bag contains 150 mL of solution.
- The concentration is 0.456 units/mL.
- Total insulin = 150 mL × 0.456 units/mL = 68.4 units.
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Determine how long the IV bag will last:
- The ordered rate is 9 units/hour.
- Total duration = 68.4 units ÷ 9 units/hour = 7.6 hours.
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Calculate the IV pump rate:
- The total volume of the bag is 150 mL.
- Pump rate = 150 mL ÷ 7.6 hours = 19.74 mL/hr.
- Rounded to the nearest whole number: 20 mL/hr.
So the nurse should set the IV pump to 20 mL/hr.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale:
Orange juice enhances iron absorption and should not be avoided.
Choice B rationale:
Eating foods high in fiber can prevent constipation, a side effect of iron supplements.
Choice C rationale:
Iron should not be taken with milk as it inhibits iron absorption.
Choice D rationale:
Black, tarry stools are a common side effect of iron supplements and are not usually a concern.
So, the correct answer is B. “I need to eat foods high in fiber.”.
Correct Answer is B
Explanation
Choice A rationale:
Bradypnea and hypertension are not typically signs of impending shock.
Choice B rationale:
Tachycardia and a falling blood pressure are classic signs of shock as the body tries to compensate for the decreased blood flow.
Choice C rationale:
Tachypnea and a widening pulse pressure can be signs of shock, but they are not as indicative as tachycardia and a falling blood pressure.
Choice D rationale:
Bradycardia and auscultation of fluid in the base of the lungs are not typically signs of impending shock.
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