Your patient has penetrating trauma to the chest, which you have covered with an occlusive dressing. As you monitor the patient's breathing, you notice he is having more difficulty. You should:
A. palpate for signs of flail chest.
B. apply tracheal deviation until breathing normalizes.
C. release the dressing momentarily to see if air escapes from the wound.
D. wrap the dressing more tightly with absorbent bandages.
Answer: C
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