A nurse is preparing to administer ciprofloxacin 250 mg PO every 12 hr. Available is ciprofloxacin 100 mg tablets. How many tablets should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["2.5"]
Given:
Prescribed dose: 250 mg of ciprofloxacin per dose
Available tablets: 100 mg tablets
Steps to solve:
Determine the number of tablets per dose:
Find how many 100 mg tablets are needed to make 250 mg of ciprofloxacin.
Set up a proportion to solve for the unknown number of tablets (X):
100 mg/tablet = 250 mg/X tablets
Cross-multiplying gives us:
100 mg x X tablets = 250 mg x 1 tablet
Simplifying:
100X = 250
Solving for X:
X = 250 / 100 = 2.5 tablets
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["1.3"]
Explanation
Given:
Prescribed dose: 2.5 mg of methadone per dose
Available concentration: 10 mg/5 mL
Steps to solve:
Determine the volume to be administered:
Set up a proportion to solve for the unknown volume (X):
10 mg/5 mL = 2.5 mg/X mL
Cross-multiplying gives us:
10 mg x X mL = 2.5 mg x 5 mL
Simplifying:
10X = 12.5
Solving for X:
X = 12.5 / 10 = 1.25 mL
Round off to the nearest tenth:
1.3 mL
Correct Answer is ["167"]
Explanation
Given:
Total volume: 1000 mL
Time: 6 hours
Steps to solve:
Determine the flow rate:
Set up a proportion to solve for the unknown flow rate (X):
1000 mL/6 hr = X mL/1 hr
Cross-multiplying gives us:
1000 mL x 1 hr = 6 hr x X mL
Simplifying:
1000 = 6X
Solving for X:
X = 1000 / 6 = 166.67 mL/hr
Round to the nearest whole number:
167 mL/hr.
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