The nurse delegates the positioning of an older client with immobility to unlicensed assistive personnel (UAP). Which action taken by the UAP requires the nurse to intervene?

The UAP keeps the head of the bed flat when repositioning the client.

The UAP uses assistive transferring devices when transferring the client.

The UAP places pillows to support the client's head, arms, and legs.

The UAP positions the client with the head of the bed at 45 degrees.