the nurse is observing a staff member caring for a client who has chickenpox. which of the following actions by the staff member would require the nurse to intervene?
1. placing the client in a private room with monitored negative air pressure
2. placing a box of disposable face shields outside the client’s room
3. placing an alcohol-based hand rub in the client’s room for hand hygiene
4. placing a surgical mask on the client during transport out of the client’s room