Final answer:
A nurse can inform the wife of an Alzheimer's husband to watch for indicators of nutritional problems, such as changes in appetite and weight loss.
Step-by-step explanation:
A nurse can inform the wife of an Alzheimer's husband to watch for indicators of nutritional problems. These indicators may include changes in appetite, weight loss, difficulty swallowing, and overall decline in physical health. It is important for the wife to monitor the husband's eating habits, ensure he is consuming a balanced diet, and consult with a healthcare professional if necessary.