A client undergoes a right below-the-knee amputation. After surgery, the client reports right foot pain. The healthcare provider tells the client they are suffering from "phantom pain" in the amputated extremity. The client asks the nurse to explain phantom pain. What is the appropriate response by the nurse?

A. "Phantom pain occurs because nerves continue to send messages.": Phantom limb pain results from continued nerve signaling from the residual limb to the brain, even though the limb is no longer present. Neuropathic mechanisms, including peripheral nerve hyperactivity and cortical reorganization in the somatosensory cortex, contribute to the perception of pain in the absent extremity. B. "Phantom pain only exists in your mind.": Phantom pain is a real neurological phenomenon and not simply psychological. While the perception occurs without the limb, it involves actual nerve and brain activity rather than being imagined or fabricated. C. "I can't answer that. You'll have to ask the provider.": The nurse is equipped to educate the client about post-amputation phenomena, including phantom pain. Referring the client without explanation misses an opportunity for early patient understanding and coping strategies. D. "Phantom pain occurs when you think about your loss. Keep your mind occupied.": Cognitive distraction may help manage discomfort, but phantom pain is caused by nerve activity, not by conscious thoughts about the limb. This explanation inaccurately attributes the pain to psychological focus rather than neurologic mechanisms.