QuestionMay 27, 2025

A nurse is preparing to administer hydroxyzine 0.5mg/kg IM to a child who weighs 15 kg. Available is hydroxyzine 25mg/mL How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.) square mL

A nurse is preparing to administer hydroxyzine 0.5mg/kg IM to a child who weighs 15 kg. Available is hydroxyzine 25mg/mL How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.) square mL
A nurse is preparing to administer hydroxyzine 0.5mg/kg IM to a child who weighs 15 kg. Available is hydroxyzine 25mg/mL How many mL should
the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
square  mL

Solution
4.1(288 votes)

Answer

0.3 mL Explanation 1. Calculate the required dose Multiply the child's weight by the dosage per kg: 0.5 \, \text{mg/kg} \times 15 \, \text{kg} = 7.5 \, \text{mg}. 2. Determine volume to administer Divide the required dose by the concentration of the solution: \frac{7.5 \, \text{mg}}{25 \, \text{mg/mL}} = 0.3 \, \text{mL}.

Explanation

1. Calculate the required dose<br /> Multiply the child's weight by the dosage per kg: $0.5 \, \text{mg/kg} \times 15 \, \text{kg} = 7.5 \, \text{mg}$.<br /><br />2. Determine volume to administer<br /> Divide the required dose by the concentration of the solution: $\frac{7.5 \, \text{mg}}{25 \, \text{mg/mL}} = 0.3 \, \text{mL}$.
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