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.
The Correct Answer is ["8"]
To calculate the dosage of diphenhydramine (Benadryl) for the child, we first determine the total milligrams needed per dose by multiplying the child's weight in kilograms by the prescribed milligrams per kilogram. The child weighs 20 kg, so the calculation is 20 kg * 5 mg/kg, which equals 100 mg per dose. The medication is supplied at a concentration of 12.5 mg per 5 ml. To find out how many milliliters are needed to provide 100 mg, we set up a proportion: 12.5 mg/5 ml = 100 mg/x ml. Solving for x gives us x = (100 mg * 5 ml) / 12.5 mg, which equals 40 ml. Therefore, the nurse will administer 40 milliliters of the medication for one dose.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","D","E"]
Explanation
A. Positioning the infant on their back and upright in Semi-Fowler's helps prevent aspiration and supports respiratory function after surgery.
B. Encouraging parents to hold the baby is important for bonding, but caution should be taken to avoid placing pressure on the surgical site.
C. Aspirin should not be administered due to the risk of Reye's syndrome; acetaminophen is typically used for pain management in infants.
D. Applying elbow restraints as ordered is necessary to prevent the infant from pulling at the surgical site and to ensure proper healing.
E. Maintaining IV therapy is crucial for nutrition until the infant can take oral feeds safely.
Correct Answer is B
Explanation
A. Acetaminophen can be given every 4 to 6 hours, but every 2 hours is too frequent and indicates a need for further teaching.
B. The maximum daily dose for a child should be based on their weight and typically should not exceed 75 mg/kg/day; stating 4000 mg is too high for a child, indicating a misunderstanding of dosing.
C. Administering acetaminophen rectally is appropriate if the child cannot take it orally, particularly during vomiting episodes.
D. Notifying the provider about jaundice is critical, as it may indicate liver dysfunction, which is important when using acetaminophen.
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