When the Nurse Is Using a Wheelchair to Transport a Client,which

When the nurse is using a wheelchair to transport a client,which of these actions is essential?

A) Push the wheelchair into doorways and elevators with the client facing forward.
B) Lift the footrests when getting the client into or out of the chair.
C) Push the wheelchair slowly from behind.
D) Keep the wheelchair unlocked when the client is not in motion.