A nurse is reinforcing teaching about a transcutaneous electrical nerve stimulation (TENS) unit for a client who has a herniated intervertebral disk. Which of the following statements by the client indicates an understanding of the teaching?

The correct answer is choice A, participate in reminiscence therapy with the client. This is an effective intervention for individuals with Alzheimer's disease. It involves encouraging the client to discuss past experiences and events. It has been shown to improve mood, decrease agitation, and increase communication skills. The reminiscence therapy should be individualized and tailored to the client's interests and abilities.

1. Raising the four side rails on the client's bed is not the correct answer because this could cause harm to the client by restricting their mobility and independence.
2. Alternating the client's daily routine is not the correct answer because individuals with Alzheimer's disease benefit from a consistent routine, which helps them to feel more secure and less anxious.
3. Keeping the lights dimmed is not the correct answer because it can be disorienting and confusing for clients with Alzheimer's disease, who need adequate lighting to distinguish their surroundings.

Running cool water over the affected area will help to decrease pain and prevent further tissue damage. Allowing the affected area to remain open to air will help to promote healing and prevent infection.

A. "Apply ice to the larger blisters" is an incorrect answer because applying ice can cause further damage to the skin and delay healing.

B. "Administer ibuprofen for pain" is an incorrect answer because the nurse cannot administer medications without a physician's order.

C. "Maintain skin integrity over the blisters" is an incorrect answer because maintaining skin integrity over the blisters can cause further damage and delay healing.

Explanation: The nurse should run cool water over the affected area and allow it to remain open to the air to promote healing and prevent infection. Applying ice or medication without a physician's order can cause further damage and delay healing.