A nurse is preparing to administer fluoxetine 80 mg PO daily. The amount available is fluoxetine 20 mg/5mL. How many mL should the nurse administer? Round off to the nearest whole number. Enter numeric value only (numbers and decimal points only, no commas or labels)
The Correct Answer is ["20"]
1. Identify the information given:
Prescribed dose: 80 mg of fluoxetine
Available concentration: 20 mg/5 mL
2. Determine the volume to be administered:
Set up a proportion to solve for the unknown volume (X):
20 mg/5 mL = 80 mg/X mL
Cross-multiplying gives us:
20 mg x X mL = 80 mg x 5 mL
Simplifying:
20X = 400
Solving for X:
X = 400 / 20 = 20 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2"]
Explanation
Identify the given information:
Total volume to be infused: 1 L=1000 mL
Infusion rate: 500 mL/hr
Identify the formula:
Time = Total Volume / Infusion Rate
Substitute the values into the formula:
Time = 1000 mL / 500 mL/hr
Calculate the time:
Time = 2 hours
Correct Answer is ["2"]
Explanation
Identify the information given:
Prescribed dose: 2 grams of amoxicillin per day, divided into two doses.
Available concentration: 500 mg tablets
Determine the dose per administration:
Since the daily dose is divided into two doses, each dose will be: 2 g/day ÷ 2 doses/day = 1 g/dose
Determine the number of tablets per dose:
Find how many 500 mg tablets are needed to make 1 g (or 1000 mg) of amoxicillin.
Set up a proportion to solve for the unknown number of tablets (X):
500 mg/tablet = 1000 mg/X tablets
Cross-multiplying gives us:
500 mg x X tablets = 1000 mg x 1 tablet
Simplifying:
500X = 1000
Solving for X:
X = 1000 / 500 = 2 tablets
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