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.
-
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 C
Explanation
Choice A rationale:
Contractions every 1 minute and cervical dilation of 9 cm are indicative of the transition phase of labor.
Choice B rationale:
Contractions every 2 1/2 minutes and cervical dilation of 8 cm are indicative of the active phase of labor.
Choice C rationale:
Contractions every 5 minutes and cervical dilation of 3 cm are indicative of the latent phase of labor.
Choice D rationale:
Contractions every 3 minutes and cervical dilation of 6 cm are indicative of the active phase of labor.
Correct Answer is ["D","E"]
Explanation
Choice A rationale:
Cervical effacement of 30% is more indicative of the early phase of labor, not the active phase. In the active phase, effacement is usually 80-100%.
Choice B rationale:
A strong desire to push is usually associated with the transition phase of labor, not the active phase.
Choice C rationale:
Contractions every 90 seconds could be indicative of the active phase, but this can vary between individuals.
Choice D rationale:
Cervical dilation of 6 cm is indeed indicative of the active phase of labor, which is typically characterized by cervical dilation of 4-7 cm.
Choice E rationale:
Contractions every 2 to 3 minutes are common in the active phase of labor.
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