11.1_BBB, ventricles, CSF

Question 1

Brain uses _ to _

Answer 1

• glutamate

- a neurotransmitter

Question 2

reasons we need tight junctions to prevent things getting in the brain

Answer 2

slide problem with blood------------
1. 
2. 
3. 
4.

Question 3

what prevent leaking though endothelial cells

Answer 3

tight junctions

* and active transport used to bring things in when needed (on capillary endothelial cells)

Question 4

choroid plexus supplied by _ arteries

Answer 4

choroidial arteries

Question 5

blood
vs
CSF

Answer 5

csf

1. more water, mag and chloride
2. less glucose, potassium and calcium
3. much less protein

• csf productio = active transport of (sodium and other ions
• passive diffusion of (water by osmosis)