A home health nurse is making a home visit to a client who has Alzheimer's disease and the client's partner. Which of the following observations indicates to the nurse that the partner is experiencing caregiver role strain?

The partner has hired a house cleaner.

The partner has placed locks at the top of the doors leading to the outside.

The partner has lost 25 lb in the past 3 months.

The partner redirects the client when the client is frustrated.