Order: Ceftriaxone 300 mg IV Q12H for a 6 month old infant with a serious infection who weighs 18 lbs. The recommended dosage is 50-75 mg/kg/day in divided doses BID. Prove mathematically (mg/kg/day) the ordered dose and is it safe to give Safe/Unsafe)?
The Correct Answer is ["612.375"]
To calculate the ordered dose of Ceftriaxone in mg/kg/day, we can follow these steps:
Convert the weight to kg:
Weight in kg= Weight in lbs /2.2046
Weight in kg= 18lbs/2.2046≈8.165 kg
Calculate the daily dosage range:
Using the recommended dosage range of 50-75 mg/kg/day:
Minimum daily dosage= 50mg/kg/day × Weight in kg
Maximum daily dosage =75mg/kg/day×Weight in kg
Calculate the ordered dose:
Ordered dose=Dosage per administration × Frequency per day
Ordered dose= 300mg×2times per day= 600mg/day
Now, let's calculate the daily dosage range:
Minimum daily dosage=50mg/kg/day×8.165kg=408.25mg/day
Maximum daily dosage=75mg/kg/day×8.165kg=612.375mg/day
The ordered dose of 600 mg/day falls within the calculated range of 408.25-612.375 mg/day, so the ordered dose is within the recommended dosage range for a serious infection.
Therefore, the ordered dose of Ceftriaxone 300 mg IV Q12H for a 6-month-old infant weighing 18 lbs is considered safe based on the calculated dosage range.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["1.75"]
Explanation
To administer the correct dose of ampicillin IM, the nurse needs to calculate the amount of solution to draw up from the vial.
The vial contains 1 g of ampicillin in 5 mL of solution, which means that each mL has 200 mg of ampicillin.
To get 350 mg of ampicillin, the nurse needs to divide 350 by 200, which gives 1.75.
Therefore, the nurse needs to draw up 1.75 mL of solution for an IM injection.
Correct Answer is B
Explanation
A. Playing in an organized group with each other:
Toddlers typically engage in parallel play rather than organized group play. They may play near each other, but their interactions are often individual rather than coordinated in an organized group.
B. Playing independently and are side by side:
This is an accurate description of parallel play. Toddlers often play independently but are aware of and interested in what their peers are doing. They may play side by side without direct interaction.
C. Playing apart from others without being part of a group:
This option describes solitary play, where a child plays alone and does not actively engage with others. While solitary play is also common, parallel play is more characteristic of toddlers.
D. Playing together in an activity without organization:
This may describe a form of cooperative play, where children engage in an activity together. However, for toddlers, the organized aspect of play is less typical. Parallel play, where they play side by side but independently, is more common.
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