Practice Question
A child with growth failure is receiving somatropin (rDNA origin) 1.25 mg subcutaneously daily. The nurse reconstitutes the vial with 5 mL of bacteriostatic water for injection to yield a solution concentration of 5 mg/mL. How many mL should the nurse administer? (Enter numeric value only. If rounding is required, round to the nearest hundredth.)
Answer Choices:
Correct Answer:
0.25
Rationale:
🟢 The formula for dose calculation is:
Dose (mL) = Ordered dose ÷ Concentration
🟢 Ordered dose = 1.25 mg, Concentration = 5 mg/mL
🟢 1.25÷5=0.25 mL1.25 ÷ 5 = 0.25 \, mL1.25÷5=0.25mL
🟢 The nurse should therefore administer 0.25 mL subcutaneously to deliver the prescribed dose accurately.
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This question is from RN Pediatrics with NGN-HESI 2025 October —Fall which contains 55 questions.
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From Exam
RN Pediatrics with NGN-HESI 2025 October —Fall
55 Questions
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- Category: RN Nursing Exam(s)
- Subcategory: HESI Exam(s)
- Domain: Hesi Pediatrics
- Answer Choices: 1