A nurse is preparing to administer cefazolin IVPB over 20 min. Available is cefazolin 1 g in 100 mL of dextrose 5% in water (DSW). The drop factor of the manual IV tubing is 15gtt/mL. The nurse should set the IV infusion to deliver how many gtt/min? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["75"]
Step-by-Step Calculation
Understanding the Problem
We need to administer 100 mL of cefazolin over 20 minutes.
The drop factor of the tubing is 15 gtt/mL.
We need to calculate the drip rate in gtt/min.
Calculations
Calculate the infusion rate in mL/min:
Infusion rate (mL/min) = Total volume (mL) / Infusion time (min)
Infusion rate = 100 mL / 20 min = 5 mL/min
Calculate the drip rate:
Drip rate (gtt/min) = Infusion rate (mL/min) X Drop factor (gtt/mL)
Drip rate = 5 mL/min X 15 gtt/mL = 75 gtt/min
The nurse should set the IV infusion to deliver 75 gtt/min.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["175"]
Explanation
Convert grams to kilograms: 3500 g = 3.5 kg
Calculate the dose: 50 mg/kg X 3.5 kg = 175 mg
Correct Answer is ["0.4"]
Explanation
Step-by-Step Calculation
Understanding the Problem
We need to administer 2000 units of heparin.
The available concentration of heparin is 5000 units/mL.
We need to find the volume to administer.
Calculations
Set up a proportion:
5000 units / 1 mL = 2000 units / x mL
Cross-multiply:
5000x = 2000
Solve for x:
x = 2000 / 5000
x = 0.4 mL
The nurse should administer 0.4 mL of heparin.
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