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
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.019"]
Explanation
Identify the given information:
Dose of haloperidol: 19,000 mcg
Use the conversion factor:
1 g = 1,000,000 mcg
Set up the conversion:
19,000 mcg x (1 g / 1,000,000 mcg)
Calculate the result:
19,000 mcg x (1 g / 1,000,000 mcg) = 0.019 g
Correct Answer is ["0.005"]
Explanation
1. Determine the desired dose and the available concentration:
- Desired dose: 0.25 mg
- Available concentration: 50 mg/mL
2. Set up the calculation:
- We need to find out how many mL contain 0.25 mg of digoxin. We can use the following formula:
- (Desired Dose) / (Available Concentration) = Volume to Administer
3. Perform the calculation:
- 0.25 mg / 50 mg/mL = 0.005 mL
4. Round the answer:
- The answer is 0.005 mL.
- Since the question asks to round to the nearest whole number and use a leading zero if it applies, and not use a trailing zero, and since this number is less than 1, we add a leading zero.
- The answer is 0.005mL.
Therefore, the nurse should administer 0.005 mL of digoxin elixir.
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