A client is receiving one litre of D5W 0.45% normal saline IV every 8 hours by gravity infusion. The IV tubing has a drip factor of 12 gtt/mL. The nurse should regulate the IV to deliver how many drops per minute? (Enter numeric value only. If rounding is required, round to the nearest whole number.)
The Correct Answer is ["25"]
Total volume to be infused = 1 litre
Convert the total volume from liters to milliliters:
Total volume (mL) = Total volume (liters) x 1000 mL/litre
= 1 litre x 1000 mL/litre
= 1000 mL
Identify the infusion time in minutes:
Infusion time (minutes) = Infusion time (hours) x 60 minutes/hour
= 8 hours x 60 minutes/hour
= 480 minutes
Drop factor of the IV tubing = 12 gtt/mL
Calculate the total number of drops to be infused:
Total drops = Total volume (mL) x Drop factor (gtt/mL)
= 1000 mL x 12 gtt/mL
= 12000 gtt
Calculate the infusion rate in drops per minute (gtt/min):
Infusion rate (gtt/min) = Total drops / Infusion time (minutes)
= 12000 gtt / 480 minutes
= 25 gtt/minute
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["25"]
Explanation
Total volume to be infused = 1 litre
Convert the total volume from liters to milliliters:
Total volume (mL) = Total volume (liters) x 1000 mL/litre
= 1 litre x 1000 mL/litre
= 1000 mL
Identify the infusion time in minutes:
Infusion time (minutes) = Infusion time (hours) x 60 minutes/hour
= 8 hours x 60 minutes/hour
= 480 minutes
Drop factor of the IV tubing = 12 gtt/mL
Calculate the total number of drops to be infused:
Total drops = Total volume (mL) x Drop factor (gtt/mL)
= 1000 mL x 12 gtt/mL
= 12000 gtt
Calculate the infusion rate in drops per minute (gtt/min):
Infusion rate (gtt/min) = Total drops / Infusion time (minutes)
= 12000 gtt / 480 minutes
= 25 gtt/minute
Correct Answer is ["4.7"]
Explanation
Desired dose = 140 mg
Available concentration = 30 mg/mL
Calculate the volume to administer:
Volume to administer (mL) = Desired dose (mg) / Available concentration (mg/mL)
= 140 mg / 30 mg/mL
≈ 4.666... mL
Round to the nearest tenth:
Rounded volume = 4.7 mL
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