A nurse is preparing to administer dextrose 5% in water 40 mL IV to infuse over 20 min to a child. The nurse should set the IV pump to deliver how many mL/hr? (Round to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["120"]
Step-by-Step Solution:
Determine the total infusion time in hours.
The infusion time is 20 minutes.
There are 60 minutes in an hour.
The infusion time in hours = 20 minutes / 60 minutes/hour = 0.3333 hours.
Calculate the infusion rate in mL/hr.
The total volume to be infused is 40 mL.
The infusion time is 0.3333 hours.
The infusion rate = 40 mL / 0.3333 hours = 120 mL/hr.
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Related Questions
Correct Answer is ["1.5"]
Explanation
Identify the given information:
Dose of iron dextran: 75 mg
Concentration of iron dextran: 50 mg/mL
Calculate the volume of iron dextran to be administered:
Volume = Dose (mg) / Concentration (mg/mL)
Substitute the values:
Volume = 75 mg / 50 mg/mL
Volume = 1.5 mL
Correct Answer is ["3"]
Explanation
Identify the given information:
Dose of azithromycin: 10 mg/kg
Weight of the toddler: 27 lb
Concentration of azithromycin suspension: 200 mg/5 mL
Convert the toddler's weight from pounds to kilograms:
1 lb ≈ 0.453592 kg
Calculate the total dose of azithromycin in mg:
Total dose = Dose/kg x Weight (kg)
Substitute the values:
Total dose = 10 mg/kg x 27 lb x (0.453592 kg/1 lb)
Calculate the result:
Total dose ≈ 122.47 mg
Calculate the volume of azithromycin suspension to be administered:
Volume = Total dose (mg) / Concentration (mg/mL)
Substitute the values:
Volume = 122.47 mg / (200 mg/5 mL)
Calculate the result:
Volume ≈ 3.06 mL
Round the answer to the nearest whole number:
Volume ≈ 3 mL
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