A construction worker was accidentally shot with a nail gun. The nail penetrated the skull approximately one inch through the temporal region. Before your arrival, coworkers pulled the nail free. Based on the mechanism of injury, which one of the following signs or symptoms would provide the BEST evidence that the meningeal layers have been broken?
A) Cerebral spinal fluid coming from the puncture wound
B) Crepitus of the skull at the injury site
C) Swelling and deformity to the tissues at the injury site
D) Blood coming from the puncture wound
Answer: A
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