A natural supplement that can enhance sleep for many people is:.

Choice A rationale:
Patient-controlled analgesia (PCA) is a method of pain management that allows the patient to administer their own pain medication within specified limits, but it doesn't reduce the workload of the nurse. The nurse is responsible for setting up and monitoring the PCA pump, educating the patient, assessing their pain, and ensuring safety. Therefore, this choice is incorrect.
Choice B rationale:
PCA does not completely eliminate pain. It provides the patient with control over their pain relief by allowing them to self-administer medication within preset limits. However, it does not guarantee the complete absence of pain. Pain relief is provided within a safe dosage range, but some level of pain may still be experienced. Therefore, this choice is incorrect.
Choice C rationale:
PCA does not eliminate the risk of adverse drug effects entirely. The nurse must monitor the patient for signs of adverse effects, such as respiratory depression or sedation. While the patient has control over medication administration, there are still risks associated with opioid analgesics. Therefore, this choice is incorrect.
Choice D rationale:
The principal advantage of using patient-controlled analgesia (PCA) is that it reduces patient anxiety about pain by giving the patient more control over its management. This choice is correct because PCA empowers the patient to self-administer pain medication when needed, which can lead to better pain control and reduced anxiety. The nurse sets safe dosage limits and monitors the patient, ensuring safety while providing a sense of control.

The correct answer is D. "I will call for pain medication before the previous dose wears off."

Choice A rationale:

This statement indicates a misunderstanding of pain management. Avoiding medication to prevent addiction can lead to uncontrolled pain, which can hinder recovery and increase the risk of complications.

Choice B rationale:

While this statement shows the client is aware of their pain, waiting until it becomes intolerable can result in periods of severe discomfort and potential setbacks in recovery.

Choice C rationale:

Relying on a nurse to evaluate pain before requesting medication can delay pain relief, leading to unnecessary suffering and potential complications.

Choice D rationale:

This statement indicates an understanding of proactive pain management. By requesting medication before the previous dose wears off, the client helps maintain consistent pain control, which is crucial for recovery and preventing pain escalation.