The healthcare provider prescribes a liter of normal saline 0.9% IV to be infused over 9 hours for a client who is NPO. The nurse should program the infusion pump to deliver how many mL/hour? (Enter numeric value only. If rounding is required, round to the nearest whole number).
The Correct Answer is ["111"]
Here's how to calculate the infusion rate (mL/hour) for the normal saline administration:
We know:
Total volume of normal saline solution: 1 liter (given) = 1000 mL (convert liters to mL)
Infusion time: 9 hours (given)
We need to find:
Infusion rate (mL/hour)
Calculation:
Infusion rate (mL/hour) = Total volume of solution (mL) / Infusion time (hours)
Infusion rate (mL/hour) = 1000 mL / 9 hours
Infusion rate (mL/hour) = 111.11 mL/hour (round to nearest whole number)
Therefore, the nurse should program the infusion pump to deliver 111 mL/hour.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["18"]
Explanation
Here's how to calculate the volume (mL/hour) the nurse should program the infusion pump to deliver heparin:
1. We know:
Heparin dose rate: 1,400 units/hour (given by healthcare provider)
Heparin concentration in the IV bag: 20,000 units per 250 mL (given on the label)
2. We need to find:
Volume delivery rate (mL/hour)
3. Calculation:
To find the volume rate, we can divide the heparin dose rate (units/hour) by the heparin concentration (units/mL)
Volume rate (mL/hour) = Heparin dose rate (units/hour) / Heparin concentration (units/mL)
Plug in the values:
Volume rate (mL/hour) = 1,400 units/hour / (20,000 units / 250 mL)
Important note: We can rearrange the fraction with the concentration term because we are dividing by units/mL, which is equivalent to multiplying by mL/units. So, effectively, we are multiplying by the reciprocal of the concentration.
Volume rate (mL/hour) = 1,400 units/hour x (250 mL / 20,000 units)
Volume rate (mL/hour) = 17.5 mL/hour (round to nearest whole number)
Therefore, the nurse should program the infusion pump to deliver 18 mL/hour.
Correct Answer is ["3"]
Explanation
Here's how to calculate the administration time for furosemide:
We know:
Total dose: 120 mg (given)
Concentration: 10 mg/mL (given)
Recommended rate: 40 mg/minute (given)
We need to find:
Administration time (minutes)
Since the recommended rate is the maximum safe rate, we will use it to determine the administration time.
Calculation:
We can directly set up a proportion to find the time based on dose, concentration, and desired rate:
Dose (mg) / Time (minutes) = Rate (mg/minute)
Plug in the known values and solve for time:
120 mg / Time (minutes) = 40 mg/minute
Time (minutes) = 120 mg / 40 mg/minute
Time (minutes) = 3 minutes
Therefore, the nurse should administer the furosemide over 3 minutes.
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