In planning care for a client with early stage Alzheimer's disease, the nurse establishes the nursing problem of risk for injury related to impaired judgment. Which intervention is most important for the nurse to include in this client's plan of care?

Engage the client in regularly scheduled activities during the day.

Offer the client frequent reassurance that he/she will be safe.

Arrange the client's environment so the client can move about freely.

Assign a UAP to provide the client with total personal care.