Nation 1

Question 1

______ cell bodies are located WITHIN the CNS, while ______ cell bodies are located OUTSIDE the CNS.

Answer 1

• Preganglionic

- postganglionic

Question 2

The autonomic nervous system consists of a ____ neuron chain.

Answer 2

Two

Question 3

5 pathways for sympathetic innervation

Answer 3

1. Innervation of body wall.
2. Innervation of head.
3. Innervation of thoracic viscera.
4. Innervation of abdominal/pelvic viscera.
5. Innervation to the adrenal medulla.

Question 4

The intermediolateral cell column (IMLCC) is located only at vertebral levels ____ (L3).

Answer 4

T1-L2

Question 5

______ fibers synapse in the sympathetic ganglia of the same vertebral level. ______ sympathetic fibers innervate the smooth muscle and glands of the body wall, upper, and lower limbs.

Answer 5

• Preganglionic

- Postganglionic

Question 6

Preganglionic fibers ascend or descend the ______ to reach cervical, lower lumbar, or sacral levels.

Answer 6

sympathetic trunk

Question 7

Sympathetic innervation to the head involves postganglionic “hitchhikers” on the ________. Preganglionic fibers ascend the _______ to reach the head.

Answer 7

• arterial supply

- sympathetic trunk

Question 8

______ sympathetic fibers synapse in the superior, middle, or inferior cervical ganglia.

Answer 8

Preganglionic

Question 9

______ sympathetic fibers associated with the viscera follow the arterial supply to innervate the smooth muscle and glands of the head and neck.

Answer 9

Postganglionic

Question 10

After synapsing in the sympathetic ganglia, postganglionic fibers travel through ______ to innervate thoracic viscera.

Answer 10

visceral nerves

Question 11

_____ contribute to the superficial and deep cardiac plexus, bronchial plexus, and esophageal plexus.

Answer 11

Visceral nerves

Question 12

Preganglionic fibers travel through (thoracic and lumbar) ______ to innervate abdominal viscera.

Answer 12

splanchnic nerves

Question 13

Preganglionic fibers synapse in ______ (celiac, superior/inferior mesenteric, aorticorenal ganglia)

Answer 13

prevertebral/collateral ganglia

Question 14

Preganglionic sympathetic fibers directly innervate the ______.

Answer 14

adrenal medulla

Question 15

The preganglionic parasympathetic neurons leave the brainstem via ______.

Answer 15

cranial nerves

Question 16

Cell bodies of preganglionic parasympathetic neurons are located in the ______ (“Cranio” portion).

Answer 16

brainstem

Question 17

Ganglion of cranial nerve III

Answer 17

Ciliary ganglion

Question 18

Ganglion of cranial nerve VII

Answer 18

Submandibular ganglion and Pterygopalatine ganglion

Question 19

Ganglion of cranial nerve IX

Answer 19

Otic ganglion

Question 20

Ganglion of cranial nerve X

Answer 20

Terminal ganglion

Question 21

Spinal preganglionic parasympathetic cell bodies are located in the ________ (S2-S4).

Answer 21

sacral parasympathetic nucleus

Question 22

Preganglionic parasympathetic fibers travel through _______ to reach the pelvic plexus.

Answer 22

pelvic splanchnic nerves

Question 23

________ contribute to the pelvic plexus and innervate pelvic viscera.

Answer 23

Pelvic splanchnic nerves

Question 24

Preganglionic parasympathetic fibers synapse in ______ in or near the walls of the target organ.

Answer 24

terminal ganglia

Question 25

Anatomically, the relative lengths of pre- and post- synaptic neurons differ between the sympathetic and parasympathetic nervous systems. Sympathetic preganglionic fiber is _____, while parasympathetic is _____.

Answer 25

Short, long

Question 26

The autonomic nervous system contains ______ nerve fibers only.
These nerves ALSO contain afferent fibers traveling from the viscera towards the CNS. These afferent fibers are NOT apart of the ANS.

Answer 26

efferent

Question 27

General _____ afferent fibers utilize the ventral ramus to enter into the spinal cord

Answer 27

somatic

Question 28

General _____ afferent fibers (for pain) utilize the visceral and (thoracic/lumbar) splanchnic nerves to get into the CNS.

Answer 28

visceral

Question 29

For ______, general visceral afferent fibers utilize the parasympathetic pathway to get to the spinal cord.

Answer 29

pelvic viscera

Question 30

Cross-talk between general visceral afferent and general somatic afferent fibers results in ______.

Answer 30

referred pain