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 ["27"]
Explanation
Given:
Prescribed dose: 720 mcg/kg/hr
Client weight: 132 lbs
Total volume: 250 mL
Total dopamine: 400 mg
Steps to solve:
Convert weight to kg:
1 lb= 0.453592 kg.
Multiply: 132 lbs x 0.453592 kg/lb = 59.9 kg (rounded to one decimal place)
Calculate the total dopamine dose per hour:
Total dose/hr = 720 mcg/kg/hr x 59.9 kg = 43128 mcg/hr = 43.128 mg/hr
Calculate the infusion rate in mL/hr:
Find how many mL of the solution contains 43.128 mg of dopamine.
Set up a proportion to solve for the unknown volume (X):
400 mg/250 mL = 43.128 mg/X mL
Cross-multiplying gives us:
400 mg x X mL = 43.128 mg x 250 mL
Simplifying:
400X = 10782
Solving for X:
X = 10782 / 400 = 26.955 mL/hr
Round off:
27 mL/hr
Correct Answer is ["3"]
Explanation
Given:
Prescribed dose: 30 mg of fluoxetine per dose
Available tablets: 10 mg tablets
Steps to solve:
Determine the number of tablets per dose:
Find how many 10 mg tablets are needed to make 30 mg of fluoxetine.
Set up a proportion to solve for the unknown number of tablets (X):
10 mg/tablet = 30 mg/X tablets
Cross-multiplying gives us:
10 mg x X tablets = 30 mg x 1 tablet
Simplifying:
10X = 30
Solving for X:
X = 30 / 10 = 3 tablets
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