Evaluate the following situations to identify which one is NOT a direct cause of lung collapse (pneumothorax).

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Multiple choice — select the best answer

ABlunt chest trauma
BRib fracture
CPenetrating injury to the chest
DSpontaneous pneumothorax in a healthy person

✓ Correct answer: D. Spontaneous pneumothorax in a healthy person The correct answer is spontaneous pneumothorax in a healthy person. While it can lead to lung collapse, it is not due to a direct injury but rather occurs without apparent injury. Blunt chest trauma, rib fractures, and penetrating chest injuries are direct injuries that can cause a pneumothorax.

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Evaluate the following situations to identify which one is NOT a direct cause of lung collapse (pneumothorax).

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