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 ["50"]
Explanation
Total volume to infuse = 50 mL
Total infusion time in minutes = 20 minutes
Drop factor = 20 gtt/mL
Drip rate (gtt/min) = (Total volume in mL) X (Drop factor) / (Total infusion time in minutes)
= 50 mL X 20 gtt/mL / 20 minutes = 50 gtt/min
Correct Answer is B
Explanation
A) The nurse administers the prescribed dosage: Given the toddler weighs 20 kg and the recommended dosage range is 20 to 25 mg/kg/day, the total daily dosage required would be between 400 mg (20 kg × 20 mg/kg) and 500 mg (20 kg × 25 mg/kg). The prescribed dosage is 100 mg every 8 hours, which totals 300 mg/day (100 mg × 3 doses/day). This is below the recommended dosage range, indicating it might be insufficient.
B) The nurse determines the prescription is insufficient to achieve the desired effect: The prescribed dosage of 300 mg/day is less than the minimum recommended dosage of 400 mg/day. Therefore, it is appropriate to determine that the prescription may be insufficient for the required therapeutic effect.
C) The nurse contacts the pharmacist to adjust the prescribed dosage: While it is correct to recognize that the dosage might be insufficient, the nurse should first consult with the healthcare provider to adjust the prescription based on clinical judgment and specific patient needs rather than contacting the pharmacist directly.
D) The nurse determines the prescription is above the recommended dosage range: The prescribed dosage of 300 mg/day is actually below the recommended range of 400 to 500 mg/day. Therefore, it is incorrect to determine that the prescription is above the recommended range.
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