Chapter 14, Problem 3CRCAQ

Ted is a war veteran who was hit in the back with small pieces of shrapnel. His skin is numb in the center of his buttocks and along the entire posterior side of a lower limb, but there is no motor problem. Indicate which of the following choices is the most likely site of his nerve injury, and explain your choice: (a) a few dorsal roots of the cauda equina, (b) spinal cord transection at ${\text{C}}_6$ (c) spinal cord transection at ${\text{L}}_5$ (d) femoral nerve transected in the lumbar region.