Review Question - QID 210170

A 21-year old previously healthy male presents to the trauma bay 8 hours after a helicopter evacuation from a national park with a suspected cervical spine injury. He reports he dove into a lake without understanding the depth and hit a rock. On primary exam he has a 5 cm laceration over the parietal region of his skull with no other aparent injuries in his extremities or abdomen. His heart rate is 57 and blood pressure is 92/70 despite resuscitation efforts with fluids. He is unable to move his arms or his legs and denies peri-anal sensation. He has absent patellar reflexes. When performing a rectal exam, no anal sphincter contraction occurs when the indwelling catheter is pulled. His abdomen is soft and painless. A CT scan of the chest, abdomen, and pelvis is negative except for the cervical spine injury shown in Figure A. Which of the following most accurately describes his American Spinal Injury Association (ASIA) Impairment Scale level: