Question

Which one of the following is the correct sequence of nerves that exit the spinal cord, going from superior to inferior:

A) cervical spinal nerves, lumbar spinal nerves, thoracic spinal nerves, sacral spinal nerves
B) cervical spinal nerves, thoracic spinal nerves, sacral spinal nerves, lumbar spinal nerves
C) thoracic spinal nerves, cervical spinal nerves, sacral spinal nerves, lumbar spinal nerves
D) thoracic spinal nerves, cervical spinal nerves, lumbar spinal nerves, sacral spinal nerves
E) cervical spinal nerves, thoracic spinal nerves, lumbar spinal nerves, sacral spinal nerves

Answer 1

The correct sequence of nerves that exit the spinal cord, going from superior to inferior, is cervical spinal nerves, thoracic spinal nerves, sacral spinal nerves, lumbar spinal nerves.

Step-by-step explanation:

The correct sequence of nerves that exit the spinal cord, going from superior to inferior, is option B) cervical spinal nerves, thoracic spinal nerves, sacral spinal nerves, lumbar spinal nerves.

The spinal nerves emerge from the vertebral column through the intervertebral foramina at their respective levels. The cervical spinal nerves are named C1 to C8, the thoracic spinal nerves are named T1 to T12, the lumbar spinal nerves are named L1 to L5, and the sacral spinal nerves are named S1 to S5.