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 A
Explanation
Choice A rationale:
This statement is incorrect. While continuous internal electronic fetal monitoring does limit mobility, it doesn’t require the woman to stay completely still.
Choice B rationale:
This is correct. An electrode may be inserted into the baby’s scalp to monitor heart rate.
Choice C rationale:
This is also correct. Internal monitoring provides the most accurate and continuous data about the baby’s heart rate.
Choice D rationale:
This is correct. The membranes must rupture before the electrode can be inserted.
Correct Answer is A
Explanation
Choice A rationale:
-2 station means the baby’s head is 2 cm above the ischial spines. This is a possible position during labor.
Choice B rationale:
0 station means the baby’s head is at the level of the ischial spines, which typically indicates the beginning of active labor.
Choice C rationale:
Crowning refers to when the baby’s head is visible at the vaginal opening, which occurs later in labor.
Choice D rationale:
+2 station means the baby’s head is 2 cm below the ischial spines. This typically occurs later in labor.
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