What is Described: Cervical (8),thoracic (12),lumbar (5),sacral (5),and Coccygeal (1)

Question

What is described: cervical (8),thoracic (12),lumbar (5),sacral (5),and coccygeal (1)?
A) Number of nerve plexi
B) Sensory nerves of the peripheral nervous system
C) Levels at which most motor neurons decussate
D) Spinal nerves

Accepted Answer

The numbers listed are the number of vertebrae in each section of the spinal cord, and correspond to the number of spinal nerves that emerge from each section. Therefore, the correct answer is D) Spinal nerves.