A nurse is assisting with the care of a newborn and is preparing to administer ibuprofen 10 mg PO. Available is ibuprofen suspension 50mg/25 mL. How many mL should the nurse administer? Round the answer to the nearest hundredth, use a leading zero if it applies. Do not use a trailing zero.
The Correct Answer is ["5"]
Set up a proportion:
You have 50 mg of ibuprofen in 25 mL of suspension.
You need to administer 10 mg of ibuprofen.
Let 'x' represent the unknown volume in mL.
The proportion is: 50 mg / 25 mL = 10 mg / x mL
2. Solve for x:
Cross-multiply: 50 x x = 25 x 10
Simplify: 50x = 250
Divide both sides by 50: x = 250 / 50
Calculate: x = 5 mL
3. Round to the nearest hundredth:
5mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.8"]
Explanation
Given:
Prescribed dose: 40 mg of diphenhydramine
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 = 40 mg/X mL
Cross-multiplying gives us:
50 mg x X mL = 40 mg x 1 mL
Simplifying:
50X = 40
Solving for X:
X = 40 / 50 = 0.8 mL
Correct Answer is ["0.6"]
Explanation
Given:
Prescribed dose: 150 mg of ampicillin
Available concentration: 250 mg/mL
Steps to solve:
Determine the volume to be administered:
Set up a proportion to solve for the unknown volume (X):
250 mg/mL = 150 mg/X mL
Cross-multiplying gives us:
250 mg x X mL = 150 mg x 1 mL
Simplifying:
250X = 150
Solving for X:
X = 150 / 250 = 0.6 mL
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