A nurse is preparing to administer amoxicillin and clavulanate potassium 40 mg/kg/day PO divided in equal doses every 12 hr to a toddler who weighs 25 lb. Available is amoxicillin and clavulanate potassium suspension 200 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 ["5.7"]
Identify the given information:
Dose of amoxicillin and clavulanate potassium: 40 mg/kg/day
Weight of the toddler: 25 lb
Concentration of amoxicillin and clavulanate potassium suspension: 200 mg/5 mL
Convert the toddler's weight from pounds to kilograms:
1 lb ≈ 0.453592 kg
Calculate the total daily dose of amoxicillin and clavulanate potassium in mg:
Total daily dose = Dose/kg/day x Weight (kg)
Substitute the values:
Total daily dose = 40 mg/kg/day x 25 lb x (0.453592 kg/1 lb)
Calculate the result:
Total daily dose ≈ 453.59 mg
Calculate the dose per dose (every 12 hours):
Dose per dose = Total daily dose / 2
Substitute the values:
Dose per dose = 453.59 mg / 2
Calculate the result:
Dose per dose ≈ 226.8 mg
Calculate the volume of amoxicillin and clavulanate potassium suspension to be administered:
Volume = Dose per dose (mg) / Concentration (mg/mL)
Substitute the values:
Volume = 226.8 mg / (200 mg/5 mL)
Calculate the result:
Volume ≈ 5.67 mL
Round the answer to the nearest tenth:
Volume ≈ 5.7 mL
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["1"]
Explanation
Step-by-Step Solution:
Convert the child's weight from pounds to kilograms.
1 pound is =0.453592 kilograms.
86 pounds = 86 x 0.453592 = 38.999952 kilograms.
Calculate the total daily dose of quinine.
The prescribed dose is 25 mg/kg/day.
The child weighs 38.999952 kg.
The total daily dose = 25 mg/kg/day x 38.999952 kg = 974.9988 mg/day.
Determine the dose per administration.
The total daily dose is divided into three equal doses (every 8 hours).
The dose per administration = 974.9988 mg/day / 3 = 324.9996 mg per dose.
Calculate the number of tablets to administer per dose.
Each tablet contains 325 mg of quinine.
To find the number of tablets, divide the dose per administration by the amount of quinine per tablet:
Number of tablets = 324.9996 mg / 325 mg/tablet = 0.999999 tablets
Round the answer to the nearest whole number: 1 tablet.
Correct Answer is ["12.5"]
Explanation
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.
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