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.
-
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:
Dysuria is not typically associated with lightening.
Choice B rationale:
Urinary frequency can increase when lightening occurs because the baby drops into the pelvis, putting more pressure on the bladder.
Choice C rationale:
Constipation is not typically associated with lightening.
Choice D rationale:
Dyspnea can actually improve when lightening occurs because there is less pressure on the diaphragm.
Correct Answer is A
Explanation
Choice A rationale:
Fundal height measurement is a common procedure during prenatal visits to monitor the baby’s growth.
Choice B rationale:
While ultrasounds are performed during pregnancy, they aren’t typically done at every prenatal visit.
Choice C rationale:
Urine cultures are important for detecting urinary tract infections, but they aren’t a routine part of every prenatal visit.
Choice D rationale:
Hemoglobin and hematocrit tests are done to check for anemia, but they aren’t typically performed at every visit.
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