Ati lpn adult med surg dosage calculation quiz proctored exam
Calculation
A nurse is providing discharge teaching to the parent of a child who is prescribed diphenhydramine 25 mg elixir every 4 hr as needed. The amount available is diphenhydramine elixir 12.5 mg/5 mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
mL
Explanation & Rationale
Ordered Dose (D) = 25 mg Available Dose (H) = 12.5 mg Quantity (Q) = 5 mL Calculate Volume (mL) Volume (mL) = (Dose Ordered (D) / Dose Available (H)) x Quantity (Q) = (25 mg / 12.5 mg) x 5 mL = 2 x 5 mL = 10 mL
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