Final Exam - Autonomic Nervous System

Question 1

A __________ is a collection of cell bodies within the CNS

Answer 1

nucleus

Question 2

A __________ is a collection of cell bodies within the PNS

Answer 2

ganglia

Question 3

A __________ is a network of intersecting nerves

Answer 3

plexus

Question 4

A(n) __________ is a sensory axon that brings information TO the CNS.

Answer 4

Afferent axon

Question 5

An __________ is a motor axon that brings information FROM the CNS.

Answer 5

Efferent axon

Question 6

__________ are neurons that supply the voluntary, striated skeletal muscle

Answer 6

Somatic efferent neurons

Question 7

__________ are neurons that supply the involuntary, smooth muscle of viscera, blood vessels, cardiac muscle, & glands

Answer 7

Visceral efferent neurons

Question 8

Right & left vagus nerves divide caudal to the root of the lung into ________ & _________ branches

Answer 8

dorsal & ventral

Question 9

The __________ is formed with the right & left ventral branches of the vagus nerve unite

Answer 9

ventral vagal trunk

Question 10

The ventral vagal trunk supplies __________

Answer 10

the liver, parietal surface of the stomach, & the pylorus

Question 11

The __________ is formed with the dorsal branches of each vagus nerve unite

Answer 11

dorsal vagal trunk

Question 12

The __________ supply the diaphragm.

Answer 12

phrenic nerves

Question 13

The phrenic nerves supply __________

Answer 13

the diaphragm

Question 14

________________ are the small enlargements off the sympathetic trunk at each intercostal space

Answer 14

Sympathetic trunk ganglia

Question 15

The __________ leave sympathetic trunk at the level of the 12th or 13th thoracic sympahetic ganglion

Answer 15

major splanchnic nerves

Question 16

The __________ supplies nerves to the adrenal gland

Answer 16

minor splanchnic nerves

Question 17

The __________ arise from the 2nd to 5th lumbar sympathetic ganglia and are distributed to the aorticorenal, cranial mesenteric, & caudal mesenteric ganglia & plexuses

Answer 17

lumbar splanchnic nerves

Question 18

The __________ is formed from celiac & cranial mesenteric ganglion

Answer 18

celiacomesenteric ganglion & plexus

Question 19

__________ are the sympathetic nerves that leave the caudal mesenteric ganglion & course caudally near the ureters to the pelvic plexus

Answer 19

right & left hypogastric nerves

Question 20

All organ systems have dual input. However, these only have SNS innervation:

Answer 20

blood vessels, piloerection mechanism, glands

Question 21

Short preganglionic fibers and long postganglionic fibers are characteristic of the ____________________

Answer 21

Sympathetic nervous system

Question 22

long preganglionic fibers and short postganglionic fibers are characteristic of the ____________________

Answer 22

Parasympathetic nervous system

Question 23

_____________ is a rare, often benign endocrine tumor of the adrenal medulla

Answer 23

Pheochromocytoma

Question 24

__________ is the general term for the dysfunction of the autonomic nervous system

Answer 24

dysautonomia