ATI RN Fundamentals 2019 with NGN | Nurselytic

Correct Answer: A

Rationale: The correct answer is A: Cover the area of percussion with a towel. This is done to prevent skin irritation or damage during the percussion. When performing postural drainage with percussion and vibration for a client with cystic fibrosis, it is essential to protect the skin from potential harm. By covering the area with a towel, the nurse ensures that the client's skin is not directly exposed to the force of the percussion, reducing the risk of injury. This step is crucial in maintaining the client's comfort and safety during the procedure.


Choice B is incorrect because postural drainage is typically done before meals to prevent aspiration.
Choice C is incorrect as clients should be instructed to breathe normally during vibration, not exhale quickly.
Choice D is incorrect as percussion is usually performed over the chest, not the lower back.

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