Final answer:
The patient is experiencing phantom limb pain, a common phenomenon among amputees. Administering ibuprofen may be considered for mild pain, but a medical assessment is necessary.
Step-by-step explanation:
The patient with severe pain in the right foot 1 day after surgery is experiencing phantom limb pain. This is a common phenomenon experienced by amputees where they feel pain in a missing limb.
Option A is incorrect as it disregards the patient's pain. Option B may be appropriate if the pain is severe, but it should be based on a medical assessment of the patient. Option C, administering ibuprofen, may be considered as a first-line treatment for mild pain. Option D, providing a mirror, is not directly related to addressing the pain but may be used in some cases to help the patient understand the concept of phantom limb.