NCLEX RN Nursing Exam Related

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A client who uses a respiratory inhaler asks the nurse to explain how he can know when half his medication is empty so that he can refill his prescription. The nurse should tell the client to:

  • A. Shake the inhaler and listen for the contents.
  • B. Drop the inhaler in water to see if it floats.
  • C. Check for a hissing sound as the inhaler is used.
  • D. Press the inhaler and watch for the mist.
Correct Answer: B

Rationale: Dropping the inhaler in water to see if it floats is a practical way to estimate remaining medication; a half-empty inhaler will float, while a full one sinks.