Final answer:
Continuous air bubbling in the water seal chamber of a chest tube indicates an air leak.
Step-by-step explanation:
Continuous air bubbling in the water seal chamber of a chest tube indicates b) Air leak. When there is an air leak, air from the lungs can escape through the chest tube and create continuous air bubbles in the water seal chamber. This indicates that there is a breach in the chest tube system, and it may need to be repositioned or repaired.