ATI RN
ATI Nur 270 Pediatrics GI Questions
Extract:
A 4-year-old child hospitalized with vomiting and suspected dehydration. The health care provider has prescribed ondansetron 0.5 mg/kg IV as a one-time dose. The safe dose is 5 mg/kg/dose. The child weighs 44 lbs.
Question 1 of 5
A nurse is providing care to a 4-year-old child hospitalized with vomiting and suspected dehydration. The health care provider has prescribed ondansetron 0.5 mg/kg IV as a one-time dose. The safe dose is 5 mg/kg/dose. The child weighs 44 lbs. How many milligrams should the nurse administer? Round your answer to the nearest tenth if needed
Correct Answer: 10 mg
Rationale: The correct answer is 10 mg.
To calculate the dose, first convert the child's weight from pounds to kilograms (44 lbs รท 2.2 = 20 kg).
Then, multiply the weight by the prescribed dose (0.5 mg/kg): 20 kg x 0.5 mg/kg = 10 mg. The safe dose is 5 mg/kg, and since the child's weight is 20 kg, the nurse should administer 10 mg, which is within the safe dose range. Encouraging fluids by mouth is important for hydration but not directly related to the medication dose calculation.
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