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The order from a provider is: Infuse a unit of whole blood over 2 hours. Blood bank provides you a unit of whole blood product that is 250 mL in volume. The drop factor of the filter tubing is 10 gtt/mL. How many gtt/min will be administered?
Answer and Explanation

The Correct Answer is ["21"]

Step-by-Step Calculation

Understanding the Problem

We need to infuse 250 mL of whole blood over 2 hours.

The drop factor is 10 gtt/mL.

We need to calculate the drip rate in gtt/min.

Calculations

Convert hours to minutes:

 

2 hours = 2 X 60 minutes = 120 minutes

Calculate the infusion rate in mL/min:

 

Infusion rate (mL/min) = Total volume (mL) / Total time (min)

Infusion rate = 250 mL / 120 min = 2.0833 mL/min

Calculate the drip rate:

 

Drip rate (gtt/min) = Infusion rate (mL/min) X Drop factor (gtt/mL)

Drip rate = 2.0833 mL/min X 10 gtt/mL = 20.83 gtt/min

Round the drip rate to the nearest whole number:

 

Drip rate ≈ 21 gtt/min

The nurse should set the IV infusion to deliver 21 gtt/min.


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Related Questions

Correct Answer is ["90"]

Explanation

Step-by-Step Calculation

Understanding the Problem

We need to administer 30 mL of Phenergan in D5W over 20 minutes.

We need to find the infusion rate in mL/hour.

Calculations

Convert minutes to hours:

20 minutes = 20/60 hours = 1/3 hour

Calculate the infusion rate:

Infusion rate (mL/hour) = Total volume (mL) / Time (hours)

Infusion rate = 30 mL / (1/3 hour) = 30 mL X 3 = 90 mL/hour

The infusion pump rate should be set to 90 mL/hour.

Correct Answer is ["75"]

Explanation

Step-by-Step Calculation

Understanding the Problem

We need to infuse 600 mL of Normal Saline (NS) over 8 hours.

We need to find the infusion rate in mL/hour.

Calculations

Infusion rate (mL/hour) = Total volume (mL) / Time (hours)

Infusion rate = 600 mL / 8 hours = 75 mL/hour

The infusion pump rate should be set to 75 mL/hour.

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