(6A) Blood Brain Barrier

Question 1

epidural hemorrhage is usually (arterial or venous)

Answer 1

arterial

Question 2

subdural hemorrhage is usually (arterial or venous)

Answer 2

venous

Question 3

in what potential space is the CSF found?

Answer 3

subarachnoid

Question 4

____ becomes the epineurium peripherally

Answer 4

dura mater

Question 5

_____ becomes the perineurium peripherally

Answer 5

arachnoid

Question 6

if the middle meningeal artery ruptures it will bleed out into the ______ space

Answer 6

epidural

Question 7

does CSF have a high or low protein conc

Answer 7

LOW!

Question 8

CSF leaves the 4th ventricle via

Answer 8

foramina of Magendie
foramina of Luschka

Bulk of CSF will go up to bathe the brain via the opening in the tentorium cerebelli

Question 9

90% of CSF is reabs ____ via _____

Answer 9

into the venous sinuses from the arachnoid space via arachnoid granulations

Question 10

what function as a one way valve that allow CSF to flow into venous system and not back into ventricular system

Answer 10

arachnoid granulations

Question 11

choroid plexus is created by

Answer 11

outpouchings of capillaries and the pia mater into the ventricular space

Question 12

choroid epithelium is called ___ when the cells are in the ventricular walls (as opposed to being part of the choroid plexus)

Answer 12

ventricular ependymal cells

Question 13

cappilaries are found between which meningeal layers

Answer 13

pia mater and arachnoid (=arachnoid space)