A nurse is preparing to administer ibuprofen 10 mg/kg PO every 6 to 8 hr PRN pain to a child who weighs 55 lb. Available is ibuprofen suspension 100 mg/5 mL. How many mL 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 ["12.5"]
Step-by-Step Solution:
Convert the child's weight from pounds to kilograms.
1 pound is= 0.453592 kilograms.
55 pounds = 55 x 0.453592 = 24.94756 kilograms.
Calculate the total dose of ibuprofen.
The prescribed dose is 10 mg/kg.
The child weighs 24.94756 kg.
The total dose = 10 mg/kg x 24.94756 kg = 249.4756 mg.
Calculate the volume of ibuprofen suspension to administer.
The available ibuprofen suspension is 100 mg/5 mL.
To find the volume, we can set up a proportion:
100 mg / 5 mL = 249.4756 mg / x mL
Cross-multiplying:
100x = 249.4756 x 5
Solving for x:
x = (249.4756 x 5) / 100 = 12.47378 mL
Round the answer to the nearest tenth.
12.5 mL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.3"]
Explanation
Given:
Desired dose: Penicillin G benzathine 200,000 units IM
Available concentration: Penicillin G benzathine injection 600,000 units/mL
To find:
Volume to administer (in mL)
Step 1: Set up the proportion
We can use the following proportion to solve the problem:
(Desired dose) / (Available concentration) = Volume to administer
Step 2: Substitute the values
Plugging in the given values, we get:
(200,000 units) / (600,000 units/mL) = Volume to administer
Step 3: Simplify
To simplify, we can invert the denominator and multiply:
(200,000 units) * (1 mL / 600,000 units) = Volume to administer
The "units" cancel out, leaving us with:
(200,000 * 1 mL) / 600,000 = Volume to administer
Step 4: Calculate
Performing the multiplication and division, we get:
200,000 mL / 600,000 = Volume to administer
0.33 mL = Volume to administer
Step 5: Round to the nearest whole number
Since the question asks for the volume rounded to the nearest whole number, we round 0.3.
Correct Answer is ["0.6"]
Explanation
Identify the given information:
Dose of midazolam: 3 mg
Concentration of midazolam solution: 5 mg/mL
Calculate the volume of midazolam to be administered:
Volume = Dose (mg) / Concentration (mg/mL)
Substitute the values:
Volume = 3 mg / 5 mg/mL
Calculate the result:
Volume = 0.6 mL
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