A patient has been shot in the chest with a rifle. Your assessment reveals a decreasing level of consciousness and inadequate breathing. Positive pressure ventilation is being administered, and you have covered the entrance wound located midclavicular at the second intercostal space on the left side of the chest. Which one of the following should you do next?

A) Get a full set of vital signs.
B) Place a cervical collar.
C) Look for an exit wound.
D) Obtain a blood pressure.

Answer: C