A patient presents with an arrow impaled in the right lower quadrant of his abdomen. He is in excruciating pain and states that he was accidentally shot by a friend while hunting. While there is no external bleeding coming from the injury, the surrounding skin is ecchymotic. Other assessment findings, such as the vital signs, indicate the patient is in early shock. Which action should the EMT perform first?

A) Carefully remove the arrow
B) Administer supplemental oxygen
C) Stabilize the arrow with an occlusive dressing
D) Establish manual cervical spine motion restriction

B) Administer supplemental oxygen