A nurse is preparing to administer 0.9% sodium chloride 500 mL IV to infuse over 45 min. 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 It applies. Do not use a trailing zero.)
The Correct Answer is ["667"]
Understanding the Problem
Volume: 500 mL of 0.9% sodium chloride
Infusion Time: 45 minutes
Desired Rate: mL/hr
Step 1: Convert Infusion Time to Hours
Minutes in an Hour: 60 minutes
Infusion Time in Hours: 45 minutes / 60 minutes/hour = 0.75 hours
Step 2: Calculate the Infusion Rate in mL/hr
Volume: 500 mL
Infusion Time: 0.75 hours
Infusion Rate: 500 mL / 0.75 hours = 666.666... mL/hr
Step 3: Round to the Nearest Whole Number
The calculated rate is 666.666. mL/hr.
Rounded to the nearest whole number: 667 mL/hr
Answer: 667 mL/hr
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["25"]
Explanation
Identify the Given Information:
Infusion Rate: 100 mL/hr
Drop Factor: 15 gtt/mL
Convert the Infusion Rate to mL/min:
There are 60 minutes in 1 hour.
Infusion Rate (mL/min) = 100 mL/hr / 60 min/hr
Infusion Rate (mL/min) = 1.6667 mL/min (approximately)
Calculate the Drip Rate (gtt/min):
Drip Rate (gtt/min) = Infusion Rate (mL/min) x Drop Factor (gtt/mL)
Drip Rate (gtt/min) = 1.6667 mL/min x 15 gtt/mL
Drip Rate (gtt/min) = 25 gtt/min
Round to the Nearest Whole Number (if necessary):
25 gtt/min
Correct Answer is ["667"]
Explanation
Understanding the Problem
Volume: 500 mL of 0.9% sodium chloride
Infusion Time: 45 minutes
Desired Rate: mL/hr
Step 1: Convert Infusion Time to Hours
Minutes in an Hour: 60 minutes
Infusion Time in Hours: 45 minutes / 60 minutes/hour = 0.75 hours
Step 2: Calculate the Infusion Rate in mL/hr
Volume: 500 mL
Infusion Time: 0.75 hours
Infusion Rate: 500 mL / 0.75 hours = 666.666... mL/hr
Step 3: Round to the Nearest Whole Number
The calculated rate is 666.666. mL/hr.
Rounded to the nearest whole number: 667 mL/hr
Answer: 667 mL/hr
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