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 ["14"]
Explanation
Given:
Total units of heparin: 25,000 units
Total volume: 250 mL
Desired infusion rate: 1400 units/hr
Steps to solve:
Determine the infusion time:
If the nurse is infusing 1400 units/hr and has 25,000 units total, the infusion time will be:
25,000 units / 1400 units/hr = 17.86 hours (approximately 18 hours)
Calculate the flow rate in mL/hr:
Total volume of 250 mL needs to be infused over 18 hours.
The flow rate is:
250 mL / 18 hr = 13.89 mL/hr
Round to the nearest whole number:
14 mL/hr.
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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