A nurse is preparing to infuse 10 units/hr of regular insulin for a client with diabetic ketoacidosis (DKA). The amount available is 100 units in a 150 mL bag of 0.9 sodium chloride. How will the nurse set up the flow rate (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 ["15"]
Given:
Total units of insulin: 100 units
Total volume: 150 mL
Desired infusion rate: 10 units/hr
Determine the infusion time:
If the nurse is infusing 10 units/hr and has 100 units total, the infusion time will be:
100 units / 10 units/hr = 10 hours
Calculate the flow rate in mL/hr:
Total volume of 150 mL needs to be infused over 10 hours.
The flow rate is:
150 mL / 10 hr = 15 mL/hr
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.5"]
Explanation
Given:
Prescribed dose: 7.5 mg of buspirone per dose
Available tablets: 15 mg tablets
Steps to solve:
Determine the number of tablets per dose:
Find how many 15 mg tablets are needed to make 7.5 mg of buspirone.
Set up a proportion to solve for the unknown number of tablets (X):
15 mg/tablet = 7.5 mg/X tablets
Cross-multiplying gives us:
15 mg x X tablets = 7.5 mg x 1 tablet
Simplifying:
15X = 7.5
Solving for X:
X = 7.5 / 15 = 0.5 tablets
Correct Answer is ["3"]
Explanation
Given:
Prescribed dose: 900 mg of gabapentin per dose
Available tablets: 300 mg capsules
Steps to solve:
Determine the number of capsules per dose:
Find how many 300 mg capsules are needed to make 900 mg of gabapentin.
Set up a proportion to solve for the unknown number of capsules (X):
300 mg/capsule = 900 mg/X capsules
Cross-multiplying gives us:
300 mg x X capsules = 900 mg x 1 capsule
Simplifying:
300X = 900
Solving for X:
X = 900 / 300 = 3 capsules
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