ATI RN
ATI Nur 270 Pediatrics GI Questions
Extract:
A child with urticaria weighing 44 lbs (20 kg). The health care provider has prescribed diphenhydramine (Benadryl) 5 mg/kg/dose, supplied as 12.5 mg/5 ml.
Question 1 of 5
The health care provider has prescribed diphenhydramine (Benadryl) 5 mg/kg/dose for a child with urticaria weighing 44 lbs. (20 kg). Assume this is a safe dose. The medication is supplied as 12.5 mg/5 ml. How many milliliters will the nurse administer to the child for one dose? Record your answer using a whole number.
Correct Answer: 8 mL
Rationale:
To calculate the dose of diphenhydramine for the child, we first need to determine the weight-based dose. The child weighs 20 kg, and the prescribed dose is 5 mg/kg.
Therefore, the total dose for the child would be 20 kg * 5 mg/kg = 100 mg. Since the medication is supplied as 12.5 mg/5 ml, we can calculate the volume required by dividing the total dose by the concentration of the medication: 100 mg / 12.5 mg/5 ml = 8 ml.
Therefore, the correct answer is 8 mL.
Choice A: Incorrect. This choice is incorrect as it does not follow the correct calculation based on the weight of the child and the concentration of the medication.
Choices B-G: Irrelevant. These choices are incorrect as they do not provide a logical calculation based on the given information.
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