15.4 Essay Questions 1) Contrast the structure of the somatic and autonomic motor neurons. 2) Identify three anatomical differences that distinguish the sympathetic division from...

15.4 Essay Questions

1) Contrast the structure of the somatic and autonomic motor neurons.

2) Identify three anatomical differences that distinguish the sympathetic division from parasympathetic division.

3) The sympathetic and parasympathetic divisions differ markedly in the branching of the postganglionic fibers. Explain the anatomical difference and its significance.

4) Explain the relationship between the vagus and pelvic splanchnic nerves, the cardiac and pulmonary plexus, celiac plexus, and hypogastric plexus.

5) Describe the correct pathway that a nerve impulse to blood vessels and hair follicles (glands and arrector pili muscles) in the dermis must travel using the following structures: ventral ramus, dorsal root, ventral root, sympathetic trunk, gray ramus communicans, white ramus communicans, and spinal nerve.