NS

Question 1

Name the different types of support cells in the ns?

Answer 1

Astrocytes; produce scar tissue, direct neural growth, pia mater, maintains blood brain barrier

Oligodendrcytes; wraps around axons, increase velocity

Microglial; like macrophages

Ependymal cell; lines chambers of cns

Question 2

Name the 3 meninges

Answer 2

Dura mater- 2 layers
Arachnoid mater- mesh work of collagen and elastic fibres, CFC fluid lines it
Pia mater-tightly attached by astrocytes

Question 3

What part of the brain branches make plexus

Answer 3

Anterior

Question 4

What is a horse tail

Answer 4

Where u put epidural

Question 5

What’s the main diff between autonomic and somatic ns

Answer 5

Somatic- no ganglion, uses ach

Autonomic- has pre and post ganglion, uses ach and ne

Question 6

What nerves are in sympathetic

Answer 6

T1 to l2

Thoracic nerves and a bit of lumbar

Question 7

What nerves are in the parasympathetic

Answer 7

Cranial 3, 7, 9, 10

Sacral s2 to s4