A nurse is preparing to administer phenytoin 100 mg oral suspension PO to a school-age child who has epilepsy. According to the medication label. What is the total dose of the container? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

The Correct Answer is ["100"]
Identify the given information:
Concentration of phenytoin oral suspension: 100 mg/4 mL
Volume of the container: 4 mL
Calculate the total dose of phenytoin:
Total dose = Concentration (mg/mL) x Volume (mL)
Substitute the values:
Total dose = 100 mg/4 mL x 4 mL
Calculate the result:
Total dose = 100 mg
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.65"]
Explanation
Identify the given information:
Dose of prochlorperazine: 0.13 mg/kg
Weight of the child: 55 lb
Concentration of prochlorperazine injection: 5 mg/mL
Convert the child's weight from pounds to kilograms:
1 lb ≈ 0.453592 kg
Calculate the total dose of prochlorperazine in mg:
Total dose = Dose/kg x Weight (kg)
Substitute the values:
Total dose = 0.13 mg/kg x 55 lb x (0.453592 kg/1 lb)
Total dose ≈ 3.4 mg
Calculate the volume of prochlorperazine injection to be administered:
Volume = Total dose (mg) / Concentration (mg/mL)
Substitute the values:
Volume = 3.4 mg / 5 mg/mL
Volume ≈ 0.68 mL
Round the answer to the nearest hundredth:
Volume ≈ 0.65 mL
Correct Answer is ["1.2"]
Explanation
First, convert the child's weight from pounds to kilograms: 67 lb / 2.205 lb/kg = 30.39 kg
Calculate the total dose of hydroxyzine needed: 1 mg/kg * 30.39 kg = 30.39 mg
Calculate the volume of hydroxyzine to administer: 30.39 mg / 25 mg/mL = 1.2156 mL
Round to the nearest tenth: 1.2156 mL rounded to the nearest tenth is 1.2 mL.
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