Clostridium difficile infection

Client is diagnosed with a Clostridium difficile infection. Which action is most important for the nurse to take? select one

1. Keep the clients room door tightly closed at all times
2. Wear a gown and gloves while assisting the client with bathing
3. Instruct family members to use alcohol hand sanitizer before entering the room
4. Instruct the LPN/ LVN to wear a mask when within 3 feet of the client