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First Aid & CPR Practice · Question

For a chest wound that bubbles or sucks air:

A vented or three-sided seal prevents tension pneumothorax while sealing the open wound.

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Question: For a chest wound that bubbles or sucks air:

Answer options: ✅ Cover with a vented chest seal or improvised three-sided dressing

  • Seal completely
  • Leave uncovered
  • Pour water on it

Correct answer: Cover with a vented chest seal or improvised three-sided dressing

Explanation: A vented or three-sided seal prevents tension pneumothorax while sealing the open wound.

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