2. ANS

Question 1

Which part of the body wall do dorsal rami go to?

Answer 1

Posterior

Question 2

Which part of the body wall do ventral rami go to?

Answer 2

Anterior and lateral

Question 3

What structures does the autonomic nervous system supply?

Answer 3

Viscera
Glands
Blood vessel walls
Smooth muscle

Question 4

What are the 2 divisions of the ANS?

Answer 4

Sympathetic

Parasympathetic

Question 5

Which cranial nerves are parasympathetic?

Answer 5

III, VII, IX, X

Question 6

Which sacral nerve roots are parasympathetic?

Answer 6

S2, S3, S4

Question 7

Look over cranial nerve notes from neurology block

Answer 7

Learn modality and functions of cranial nerves

Question 8

Where are the cell bodes of sympathetic nerves found?

Answer 8

In lateral horn of spinal cord ONLY between T1 and L1/L2

Question 9

Via what structure do the sympathetic fibres extend beyond the thorax?

Answer 9

Sympathetic chain of ganglia

Question 10

What is the ganglion impar?

Answer 10

The end of the sympathetic chain

Associated with the coccyx

Question 11

At what verebral levels are white rami communicans found?

Answer 11

T1 - L1/L2

Question 12

At what verebral levels are grey rami communicans found?

Answer 12

All levels from chain to spinal nerve

Question 13

What is the mechanism behind referred pain?

Answer 13

Brain interprets pain as if from the spinal segment (i.e. from the body wall not the viscus)

Question 14

Dermatome of nipple?

Answer 14

T4

Question 15

Dermatome of umbilicus?

Answer 15

T10

Question 16

Function of enteric nervous system?

Answer 16

Regulate peristalsis, vascular tone and secretomotor activity