Saunders Respiratory Practice 2026 - Free Respiratory Practice Questions and Study Guide

Ensuring all connections remain airtight is vital in the care of a chest tube because it directly impacts the functioning of the drainage system and the patient's respiratory status. An airtight connection prevents air from entering the pleural space, which is crucial for maintaining negative pressure in the thoracic cavity. This negative pressure is necessary for effective lung expansion and for the proper drainage of air or fluid that may be present due to conditions such as pneumothorax or pleural effusion.

If any connections are not airtight, it could lead to a re-accumulation of air or fluid, resulting in respiratory complications, an increased risk of infection, or necessitating further medical interventions. Therefore, nurses must routinely check and secure all connections throughout the duration of the chest tube therapy to ensure that the system functions optimally.

The other interventions listed, while important in managing a patient with a chest tube, do not have the same immediate impact on the function of the drainage system as ensuring airtight connections. Monitoring for signs of respiratory distress, encouraging ambulation, and managing fluid intake are all essential components of patient care but are secondary to maintaining the integrity of the chest tube system itself.