A nurse is preparing to administer ticarcillin 3.1 g by intermittent IV bolus over 30 min. Available is ticarcillin 3.1 g in 50 ml 0.9% sodium chloride (NS). 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 ["100"]
Given:
Total volume: 50 mL
Time: 30 minutes
Steps to solve:
Determine the flow rate
Set up a proportion to solve for the unknown flow rate (X):
50 mL/30 min = X mL/1 min
Cross-multiplying gives us:
50 mL x 1 min = 30 min x X mL
Simplifying:
50 = 30X
Solving for X:
X = 50 / 30 = 1.67 mL/min
Convert to mL/hr:
1.67 mL/min x 60 min/hr = 100 mL/hr
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["5"]
Explanation
Given:
Total units of insulin: 75 units
Total volume: 100 mL
Desired infusion rate: 4 units/hr
Steps to solve:
Determine the infusion time:
If the nurse is infusing 4 units/hr and has 75 units total, the infusion time will be:
75 units / 4 units/hr = 18.75 hours (approximately 19 hours)
Calculate the flow rate in mL/hr:
Total volume of 100 mL needs to be infused over 19 hours.
The flow rate is:
100 mL / 19 hr = 5.26 mL/hr
Round to the nearest whole number:
5 mL/hr.
Correct Answer is ["1.5"]
Explanation
Identify the given information:
Prescribed dose: 150 mg of lamivudine per dose
Available tablets: 100 mg tablets
Determine the number of tablets per dose:
Find how many 100 mg tablets are needed to make 150 mg of lamivudine.
Set up a proportion to solve for the unknown number of tablets (X):
100 mg/tablet = 150 mg/X tablets
Cross-multiplying gives us:
100 mg x X tablets = 150 mg x 1 tablet
Simplifying:
100X = 150
Solving for X:
X = 150 / 100 = 1.5 tablets
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