A nurse is preparing to administer regular insulin 0 1 units/kg/hr by continuous tv infusion for a client who weighs 180 lb. Available is regular insulin 500 units in 500 mL of 0.9% sodium chloride. The nurse should set the IV pump to deliver how many mi/hr? (Round to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["8"]
Convert the Client's Weight from Pounds to Kilograms:
1 kg = 2.205 lbs
Weight in kg = 180 lbs / 2.205 lbs/kg
Weight in kg ≈ 81.63 kg
Calculate the Insulin Dose in Units/hr:
Dose = 0.1 units/kg/hr x 81.63 kg
Dose ≈ 8.163 units/hr
Calculate the Insulin Concentration in Units/mL:
Available concentration = 500 units / 500 mL
Concentration = 1 unit/mL
Calculate the Infusion Rate in mL/hr:
Infusion Rate (mL/hr) = Dose in units/hr / Concentration (units/mL)
Infusion Rate (mL/hr) = 8.163 units/hr / 1 unit/mL
Infusion Rate (mL/hr) ≈ 8.163 mL/hr
Round to the Nearest Whole Number:
8 mL/hr
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
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
Correct Answer is ["25"]
Explanation
Identify the Total Volume and Infusion Time:
Total Volume: 100 mL
Infusion Time: 4 hours
Calculate the Infusion Rate (mL/hr):
We need to find out how many mL should be infused per hour.
We can use the following formula:
Infusion Rate (mL/hr) = Total Volume (mL) / Infusion Time (hours)
Plug in the Values and Calculate:
Infusion Rate (mL/hr) = 100 mL / 4 hours
Infusion Rate (mL/hr) = 25 mL/hr
Round to the Nearest Whole Number (if necessary):
25 mL/hr
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