assign the patient to the room closest to the nursing station.
assign the patient to an open room with a roommate.
assign the patient to a secluded, isolated room.
assign a staff member to stay with the client at all times.
Number 4 is correct.
The patient has recently attempted suicide and is at a high risk of harming herself. She should not be left alone or assigned a roommate until she is no longer a risk to herself or others. A staff member should stay with the client at all times to keep the client safe.