The nurse is preparing to administer ampicillin PO to a 12-year-old child with impetigo who weighs 88 pounds. The prescription is for 50 mg/kg/day. How many mg should the child receive per day? (Enter numeric value only.)
The Correct Answer is ["2000"]
Here's how to calculate the total milligrams of ampicillin the child should receive per day:
Convert child's weight to kilograms:
Weight (kg) = Weight (lbs) / Conversion factor (lbs/kg)
Weight (kg) = 88 lbs / 2.205 lbs/kg
Weight (kg) = 40 kg (round to nearest whole number)
Calculate the total daily dosage:
Daily dosage (mg) = Dose per kg (mg/kg/day) * Weight (kg)
Daily dosage (mg) = 50 mg/kg/day * 40 kg
Daily dosage (mg) = 2000 mg
Therefore, the child should receive 2000 mg of ampicillin per day.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["31"]
Explanation
Here's how to calculate the infusion rate (gtt/min) for the nurse to regulate:
1. We know the following:
Total vancomycin dose: 1500 mg
Volume of solution: 250 mL
Infusion time: 2 hours
IV administration set gtt/mL: 15 gtt/mL
2. We need to find the infusion rate in gtt/min.
Steps:
a. Calculate the concentration of vancomycin in the solution:
Concentration (mg/mL) = Total dose (mg) / Volume (mL)
Concentration (mg/mL) = 1500 mg / 250 mL
Concentration (mg/mL) = 6 mg/mL (round to nearest whole number)
b. Convert infusion time from hours to minutes:
Infusion time (minutes) = Infusion time (hours) x Minutes per hour
Infusion time (minutes) = 2 hours * 60 minutes/hour
Infusion time (minutes) = 120 minutes
c. Calculate the total volume of solution to be infused per minute:
Total volume rate (mL/min) = Total volume (mL) / Infusion time (minutes)
Total volume rate (mL/min) = 250 mL / 120 minutes
Total volume rate (mL/min) = 2.083 mL/min (round to nearest hundredth)
d. Finally, calculate the infusion rate in gtt/min:
Infusion rate (gtt/min) = Volume rate (mL/min) x gtt/mL
Infusion rate (gtt/min) = 2.083 mL/min * 15 gtt/mL
Infusion rate (gtt/min) = 31.25 gtt/min (round to nearest whole number as requested)
Therefore, the nurse should regulate the infusion at approximately 31 gtt/min.
Correct Answer is ["168"]
Explanation
Here's how to calculate the total zidovudine dosage (mg) the nurse should prepare to administer:
1. Convert client weight from pounds to kilograms:
Client weight (kg) = Client weight (lb) / 2.2
Client weight (kg) = 185 lb / 2.2
Client weight (kg) = 84.1 kg (approximately)
2. Calculate the total zidovudine dose based on weight and prescribed dosage:
Dose (mg) = Dose (mg/kg) x Client weight (kg)
Dose (mg) = 2 mg/kg x 84.1 kg
Dose (mg) = 168.2 mg (round to nearest whole number as requested)
Therefore, the nurse should prepare to administer 168 mg of zidovudine.
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