Final answer:
The most appropriate nursing intervention for a patient with mild cognitive impairment stage of Alzheimer's disease is to use a calendar and family pictures as memory aids.
Step-by-step explanation:
The most appropriate nursing intervention for a patient diagnosed with mild cognitive impairment stage of Alzheimer's disease is to use a calendar and family pictures as memory aids. Mild cognitive impairment is a state between normal aging and dementia where the patient's mind functions less well than expected for their age. By using a calendar and family pictures as memory aids, the nurse can help the patient remember important events, appointments, and recognize familiar faces, which can improve their overall cognitive functioning and quality of life.