The order from a provider is: 1.5 liters of LR to infuse over 18 hours. The drip factor is 15 gtt/mL. How many gtt/min?
The Correct Answer is ["21"]
Total volume to be infused: 1.5 liters (as given in the order)
1 liter = 1000 mL
Total volume (mL) = 1.5 liters x 1000 mL/liter = 1500 mL
Infusion time: The solution needs to be infused over 18 hours.
Total time (minutes) = Total time (hours) x Minutes/hour
Total time (minutes) = 18 hours x 60 minutes/hour = 1080 minutes
Rate (mL/min): Calculate the volume to be infused divided by the total time in minutes. Rate (mL/min) = Total volume (mL) / Total time (minutes)
Rate (mL/min) = 1500 mL / 1080 minutes = 1.39 mL/min (rounded to two decimal places)
Drip factor: The drip factor is 15 gtt/mL, meaning 15 drops deliver 1 mL of solution. Rate (gtt/min) = Rate (mL/min) x Drip factor (gtt/mL)
Rate (gtt/min) = 1.39 mL/min x 15 gtt/mL = 20.85 gtt/min = 21 gtt/min (rounded to the nearest whole number)
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["56"]
Explanation
To calculate the flow rate for an IV infusion, you can use the formula: (Volume in mL x Drip factor) / Time in minutes. In this case, the nurse has 500 mL of Ringer's lactate to infuse over 3 hours. First, convert the hours into minutes: 3 hours x 60 minutes/hour = 180 minutes. Next, multiply the volume by the drip factor: 500 mL x 20 gtt/mL = 10,000 gtt. Finally, divide by the total time in minutes: 10,000 gtt / 180 minutes = approximately 55.56 gtt/min. Therefore, the nurse should set the manual IV infusion to deliver around 56 gtt/min.
Correct Answer is ["21"]
Explanation
Total volume to be infused: 1.5 liters (as given in the order)
1 liter = 1000 mL
Total volume (mL) = 1.5 liters x 1000 mL/liter = 1500 mL
Infusion time: The solution needs to be infused over 18 hours.
Total time (minutes) = Total time (hours) x Minutes/hour
Total time (minutes) = 18 hours x 60 minutes/hour = 1080 minutes
Rate (mL/min): Calculate the volume to be infused divided by the total time in minutes. Rate (mL/min) = Total volume (mL) / Total time (minutes)
Rate (mL/min) = 1500 mL / 1080 minutes = 1.39 mL/min (rounded to two decimal places)
Drip factor: The drip factor is 15 gtt/mL, meaning 15 drops deliver 1 mL of solution. Rate (gtt/min) = Rate (mL/min) x Drip factor (gtt/mL)
Rate (gtt/min) = 1.39 mL/min x 15 gtt/mL = 20.85 gtt/min = 21 gtt/min (rounded to the nearest whole number)
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