A nurse is initiating a protective environment for a client who has had an allogeneic stem cell transplant. Which of the following precautions should the nurse plan for this client?

Make sure the client's room has at least six air exchanges per hour.

Make sure the client wears a mask when outside their room if there is construction in the area.

Place the client in a private room with negative-pressure airflow.

Wear an N95 respirator when giving the client direct care.