The nurse is assigned to assist with caring for a client who has a chest tube. The nurse notes fluctuations of the fluid level in the water-seal chamber. Based on this observation, which action would...

The nurse is assigned to assist with caring for a client who has a chest tube. The nurse notes fluctuations of the fluid level in the water-seal chamber. Based on this observation, which action would be appropriate?

1. Continue to monitor.

2. Empty the drainage.

3. Encourage the client to deep breathe.

4. Encourage the client to hold his or her breath periodically.