When entering the room of a patient who has a chest tube attached to a water-seal drainage system, the nurse observes the chest tube is lying on the floor. Which of the following actions should the nurse take first?

Reinsert the tube into the chest tube insertion site

Insert the end of the chest tube in a container of sterile water

Auscultate the lung sounds in bilateral lung fields

Apply a sterile dressing to the chest tube insertion site