# A client has a chest tube connected to a water-seal drainage system. The nurse observes continuous bubbling in the water-seal chamber. Which action should the nurse take?

> source: MyMerci (mymerci.kr)  
> url: https://mymerci.kr/pages/nclex_q.php?qn_id=397336&lang=en  
> language: en  
> subject: Complications of Procedures  
> category: ROR

## Question

A client has a chest tube connected to a water-seal drainage system. The nurse observes continuous bubbling in the water-seal chamber. Which action should the nurse take?

## Option

1. Clamp the chest tube for the rest of the shift.
2. Raise the drainage system above chest level.
3. Strip the tubing vigorously to remove clots.
4. Check the system and tubing connections for an air leak. **✔ Correct answer**

**Correct answer: 4**

## Explanation

Continuous bubbling in the water-seal chamber suggests an air leak in the client or drainage system. The nurse should assess the system and connections. Routine clamping, raising the drainage system, or vigorous stripping can cause harm.

## In-depth explanation

Clinical Judgment
Use the client cues, timing, labs, and safety risks to select the response that best fits Chest tube continuous bubbling.

Memory Tip
Match the strongest cue cluster to the safest nursing judgment.

KR vs US
NCLEX items reward cue-based priority thinking rather than isolated recall.

## Clinical scenario

Clinical Practice Guide
For Chest tube continuous bubbling, compare the complete cue pattern with the client's current stability, ordered data, and expected nursing scope.

Caution
Do not choose an action from one isolated cue when the full scenario changes priority or safety.

## Key concepts

- **Chest Tube** — A tube used to remove air or fluid from the pleural space.
- **Water Seal** — A chamber that allows air to escape while preventing backflow into the pleural space.
- **Air Leak** — Unintended entry of air into the drainage system or pleural space.

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