ANS Wk3

Question 1

Edinger westphal nucleus
CN III

Answer 1

Ciliary muscle (accommodation)
Pupillary sphincter muscle

Question 2

Ciliary and pupillary muscle for your eyes is what cranial nuclei

Answer 2

Edinger westphal nucleus
CN III

Question 3

Superior salivatory nucleus

Answer 3

CN VII
Lacrimal gland
Nasal mucosa
Submandibular glands
Sublingual glands

Question 4

Lacrimal gland
Nasal mucosa
Submandibular glands
Sublingual glands

Answer 4

Superior salivatory nucleus
CN VII

Question 5

Parotid gland

Answer 5

Inferior salivatory nucleus
CN IX

Question 5

Inferior salivatory nucleus
CN IX

Answer 5

Parotid gland

Question 6

Dorsal vagus nucleus
CNX

Answer 6

Thoracic and abdominal viscera

Question 7

Thoracic and abdominal viscera

Answer 7

Dorsal vagus nucleus
CNX

Question 8

Sympathetic pathways

Answer 8

skin, muscle, gut vasoconstriction; inhibition of secretion & motility and bladder inhibition

Question 9

Enteric nervous system

Answer 9

Composed of intrinsic plexuses and ganglia of GI tract

Question 10

Mid brain consists of

Answer 10

sensory, interneurons and motorneurons

Question 11

Neurons, located in gut wall have 2

Answer 11

2 plexuses - myentric (motor actions) & messner’s plexus (secretory actions)

Question 12

What are the functions of parasympathetic division - cranial

Answer 12

Functions
* secretion
* vasodilation
* pupillary constriction
* accommodation

Question 13

Pelvic splanchic nerves

Answer 13

Arise from S2-S4
Parasympathetic innervation - hindgut derivatives

Question 14

Sympathetic activity includes

Answer 14

skin vasoconstriction
muscle vasoconstriction
gut vasoconstriction
inhibition of gut secretion & motility
bladder inhibition

Question 15

Preganglionic neuron cell bodies originate where?

Answer 15

• lateral horns T1 – T12
• lateral horns L1-L3

Question 16

What are the 3 types of sympathetic ganglia = Thoracolumbar?

Answer 16

1. Sympathetic trunk ganglia (lie in a vertical row on either side of VC)
2. Prevertebral (collateral) ganglia (lie anterior to VC and close to the large abdominal arteries)
3. Adrenal medulla (modified neurons)

Question 17

Celiac ganglion innervates ___

Answer 17

Innervates foregut derivatives

Question 18

Superior mesenteric
ganglion innervates

Answer 18

Innervates midgut derivatives

Question 19

Inferior mesenteric ganglion innervates

Answer 19

Innervates hindgut derivatives

Question 20

Superior hypogastric plexus & Inferior hypogastric plexus both innervate

Answer 20

Innervates urogenital system

Question 21

Lumbar splanchnics are

Answer 21

Sympathetic

Question 22

Sacral splanchnics are

Answer 22

Parasympathetic

Question 23

Hypothalamus is

Answer 23

highest point of neuroaxis
with input to autonomic
nervous system
* regulates and coordinates
autonomic function

Question 24

Describe in broad terms the activity of the parasympathetic system

Answer 24

Constricts pupils (t), saliva/muscus prod (ph) , reduces cardiac rate (t), tightens airway (ph), stomach dig, urination and sexual activity (ph)