Where do the sympathetic nerve fibers originate?
A)The lateral horn of the thoracic and lumbar regions of the spinal cord
B)The lateral horn of the thoracic and cervical regions of the spinal cord
C)The medial horn of the cervical and lumbar regions of the spinal cord
D)The medial horn of the lumbar and sacral regions of the spinal cord
E)The posterior horn of the thoracic and lumbar regions of the spinal cord

Question

Quizplus · Accepted Answer

The sympathetic nerve fibers originate from the lateral horn of the thoracic and lumbar regions of the spinal cord. These fibers then exit the spinal cord along the ventral root and form the sympathetic chain ganglia, which run parallel to the vertebral column.

Where Do the Sympathetic Nerve Fibers Originate