The healthcare provider prescribes one liter of 1/4 strength saline in 5% dextrose solution (D5 1/4 NS) to infuse at a keep-open rate over 24 hours. The IV administration set delivers 15 gtt/mL. The nurse should regulate the infusion pump to deliver how many mL/hr? (Enter numeric value only. If rounding is required, round to the nearest whole number.)
The Correct Answer is ["42"]
Calculation:
Convert liters to milliliters:
1 liter (L) = 1000 milliliters (mL)
Calculate the infusion rate in mL/hr:
Infusion rate (mL/hr) = Total volume (mL) / Total time (hours)
= 1000 mL / 24 hours
= 41.67 mL/hr
Round to the nearest whole number:
= 42 mL/hr
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["18"]
Explanation
Calculation:
Infusion rate mL per hour = 70 mL/hour
Convert the infusion rate from hours to minutes:
Infusion rate (mL/minute) = Infusion rate (mL/hour) / 60 minutes/hour
= 70 mL/hour / 60 minutes/hour
≈ 1.1667 mL/minute
Identify the drop factor of the IV tubing: 15 drops/mL
Calculate the infusion rate in drops per minute (drops/minute):
Infusion rate (drops/minute) = Infusion rate (mL/minute) x Drop factor (drops/mL)
= 1.1667 mL/minute x 15 drops/mL
≈ 17.5 drops/minute
Round to the nearest whole number:
= 18 drops/minute
Correct Answer is ["1.9"]
Explanation
Calculation:
Calculate the prescribed dose in micrograms:
Dose (mcg) = Prescribed dose (mcg/kg) x Client's weight (kg)
= 50 mcg/kg x 74 kg
= 3700 mcg
Convert the dose from micrograms to milligrams:
Dose (mg) = Dose (mcg) / 1000 mcg/mg
= 3700 mcg / 1000 mcg/mg
= 3.7 mg
Calculate the volume to administer in mL:
Volume to administer (mL) = Desired dose (mg) / Available concentration (mg/mL)
= 3.7 mg / 2 mg/mL
= 1.85 mL
Round to the nearest tenth:
Rounded volume = 1.9 mL
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