A nurse is preparing to administer ferrous sulfate 120 mg PO. Available is ferrous sulfate syrup 90 mg/5 mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["6.7"]
Given:
Prescribed dose: 120 mg of ferrous sulfate
Available concentration: 90 mg/5 mL
Steps to solve:
Determine the volume to be administered:
Set up a proportion to solve for the unknown volume (X):
90 mg/5 mL = 120 mg/X mL
Cross-multiplying gives us:
90 mg x X mL = 120 mg x 5 mL
Simplifying:
90X = 600
Solving for X:
X = 600 / 90 = 6.67 mL
Round to the nearest tenth: 6.7 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["1.5"]
Explanation
Given:
Prescribed dose: 75 mg of iron dextran
Available concentration: 50 mg/mL
Steps to solve:
Determine the volume to be administered:
Set up a proportion to solve for the unknown volume (X):
50 mg/mL = 75 mg/X mL
Cross-multiplying gives us:
50 mg x X mL = 75 mg x 1 mL
Simplifying:
50X = 75
Solving for X:
X = 75 / 50 = 1.5 mL
Correct Answer is ["3.5"]
Explanation
Convert the weight from grams to kilograms.
1000 grams = 1 kilogram.
To convert 3500 grams to kilograms, we divide:
3500 grams / 1000 grams/kg = 3.5 kg
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