After an automobile accident, a 35-year-old man is placed on a backboard and transported to the hospital. Although he remains conscious, you note that sensation to pinprick is reduced but present...

After an automobile accident, a 35-year-old man is placed on a backboard and transported to the hospital. Although he remains conscious, you note that sensation to pinprick is reduced but present bilaterally over the kneecaps and below. As the ambulance goes over bumps, you note that he transiently loses continence of stool. What is the best explanation?

A. Bilateral L4 radiculopathy secondary to acute nerve root compression

B. Bilateral L4 spinal nerve transection

C. High cervical cord transection

D. Diffuse lumbar radiculopathies bilaterally secondary to lumbar vertebral fractures

E. Lumbar cord compression causing myelopathy