Primary care provider orders cefazolin (Kefrol) 30 mg/kg in two divided doses per day for a child with pneumonia. Child weighs 20 lb. If the available oral suspension is 125 mg/5ml how many mls per dose should the child receive?
The Correct Answer is ["5.4"]
Convert the child's weight from pounds (lb) to kilograms (kg):
20 lb × (1 kg / 2.20462 lb) ≈ 9.07 kg
Calculate the total daily dose of cefazolin:
Total daily dose = 30 mg/kg/day × 9.07 kg = 272.1 mg/day
Divide the total daily dose into two equal doses:
Each dose = 272.1 mg / 2 ≈ 136.05 mg
Determine the dose per ml using the available oral suspension concentration:
125 mg/5 ml = 25 mg/ml
Calculate the volume of oral suspension needed for each dose:
Volume per dose = Dose per dose / Concentration per ml
≈ 136.05 mg / 25 mg/ml
≈ 5.44 ml
So, the child should receive approximately 5.44 ml per dose of cefazolin oral suspension.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. "I will use powders & lotion on his skin around the harness clasps."
This statement indicates a misunderstanding. Powders and lotions should generally be avoided around the harness clasps because they can interfere with the proper fit of the harness and cause irritation or discomfort to the baby's skin.
B. “I will remove the harness daily, prior to giving the bath.”
This statement is incorrect. The Pavlik harness is typically not removed for bathing, as it needs to be worn continuously to maintain proper positioning of the hips and promote optimal healing. Removing the harness daily for bathing can disrupt the treatment process and delay progress.
C. "I will adjust the harness straps every day."
This statement indicates a misunderstanding. The harness should not be adjusted daily without guidance from the healthcare provider. The straps of the Pavlik harness are initially adjusted by the healthcare provider to ensure proper fit, and they should remain in place without frequent adjustments to maintain stability and effectiveness.
D. "I will check my baby's skin under the straps frequently."
This statement indicates an understanding of the teaching. It is essential for the mother to regularly check her baby's skin under the harness straps for any signs of irritation, redness, or pressure sores. Monitoring the skin closely allows for early detection of any issues that may arise from wearing the harness.
Correct Answer is B
Explanation
Infusion rate (mL/hour) = Total volume (mL) / Total time (hours)
Given:
Child's weight: 10 kg
Ordered volume: 40 mL/kg
Total time: 4 hours
First, calculate the total volume of Lactated Ringer's solution needed:
Total volume = 40 mL/kg × 10 kg = 400 mL
Then, divide the total volume by the total time to find the infusion rate:
Infusion rate = 400 mL / 4 hours = 100 mL/hour
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