A casualty has a fractured rib. You should immobilize the fracture by:
a. Taping the casualty's chest.
b. Applying a sling and swathe to the arm on the casualty's injured side.
Perform a and b above.
While palpating the chest area of a casualty with a suspected closed chest injury,
you feel a crackling sensation almost as though you were pressing on tiny air
bubbles. This is an indication of:
b. Myocardial contusion.
d. Subcutaneous emphysema.
A puncture wound results in the casualty's left pleura cavity being penetrated.
Which of the following statements is most likely to be true?
a. The lungs will be unaffected.
b. The right lung will rupture due to the sudden change in air pressure.
The left lung will begin to collapse, but the right lung will still expand fully.
d. Both lungs will collapse at the same time.
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