A nurse is preparing to administer 0.33% sodium chloride 120 mL IV to infuse over 30 min to a preschooler. The nurse should set the IV pump to deliver how many mL/hr? (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 ["240"]
Step-by-step calculation:
The nurse needs to administer 120 mL of sodium chloride.
The infusion time is 30 minutes.
Calculating the flow rate in mL/hr:
Convert the infusion time to hours: 30 minutes ÷ 60 minutes/hour = 0.5 hours
Divide the total volume by the infusion time: 120 mL ÷ 0.5 hours = 240 mL/hour
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Related Questions
Correct Answer is ["1.5"]
Explanation
Step-by-step calculation:
Convert to milliliters (mL) to teaspoons (tsp).
The conversion factor is: 1 teaspoon (tsp) = 5 milliliters (mL)
Performing the calculation:
Divide the given milliliters by the conversion factor:
7.5 mL ÷ 5 mL/tsp = 1.5 tsp
Rounding the answer: 1.5 is already rounded to the nearest tenth.
Correct Answer is ["2.1"]
Explanation
Step-by-step calculation:
The child's weight is 55 lb.
The medication dosage is 50,000 units/kg.
The available medication concentration is 600,000 units/mL.
Calculating the total dose in units:
Convert the child's weight to kg: 55 lb ÷ 2.2 lb/kg = 25 kg
Calculate the total dose: 25 kg × 50,000 units/kg = 1,250,000 units
Calculating the volume to administer:
Use the concentration of the medication: 1,250,000 units ÷ 600,000 units/mL = 2.0833 mL
Rounding the answer:2.0833 rounds to 2.1 mL
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