Practice Question
A nurse is caring for a client who has schizophrenia and is experiencing hallucinations. The provider prescribes chlorpromazine 50 mg IM every 4 hr as needed. Available is chlorpromazine injection 25 mg/mL. How many mL should the nurse administer per dose? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
Answer Choices:
Correct Answer:
2
Rationale:
✍️Order: Chlorpromazine 50 mg IM
✍️Available: 25 mg/mL
✍️To determine volume, use the formula:
➡️Volume (mL) = Ordered dose (mg) ÷ Stock concentration (mg/mL).
➡️50 mg ÷ 25 mg/mL
✔️ 2 mL.
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This question is from Custom RN Pharmacology-Fall 2025 Exam 4 which contains 60 questions.
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Question Details
- Category: RN Nursing Exam(s)
- Subcategory: ATI Exam(s)
- Domain: RN ATI Pharmacology
- Answer Choices: 1