Practice Question
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.)
Answer Choices:
Correct Answer:
10
Rationale:
💠Ordered dose = 25 mg
💠Available concentration = 12.5 mg in 5 mL
💠Set up the proportion:
12.5 mg → 5 mL
25 mg → X mL
💠Solve for X:
X = (25 mg × 5 mL) ÷ 12.5 mg
X = 125 ÷ 12.5
💠 X = 10 mL
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This question is from Custom NURS2221 Final Comprehensive Exam Fall 25 which contains 80 questions.
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From Exam
Custom NURS2221 Final Comprehensive Exam Fall 25
80 Questions
View Full Exam Start PracticingQuestion Details
- Category: RN Nursing Exam(s)
- Subcategory: ATI Exam(s)
- Domain: RN ATI Pediatrics
- Answer Choices: 1