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
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2.7"]
Explanation
Step 1: Convert the child's weight from pounds to kilograms.
We know that 1 kg = 2.2 lb,
Weight in kg=Weight in lb=78/2.2≈35.45 kg
Step 2: Calculate the required dose of ondansetron in mg.
The prescribed dose is 0.15 mg per kg:
Dose in mg=0.15 mg/kg×35.45 kg=5.318 mg
Step 3: Determine the volume of ondansetron to administer.
To determine how many mL the nurse should administer, we use the following formula:
Volume (mL)=Dose in mg/Concentration in mg/mL=5.318 mg/2 mg/mL=2.659 mL
Step 4: Round the answer:
Rounding 2.659 mL gives 2.7 mL.
Correct Answer is ["83"]
Explanation
Flow rate (mL/hr)=Total volume (mL)/Infusion time (hr)
Insert the given values:
Total volume = 1,000 mL.
Infusion time = 12 hr.
Flow rate=1,000 mL/12 hr=83.33 mL/hr
Round to the nearest whole number:
83.333 rounds to 83 mL/hr
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