The eye and raised ICP

Question 1

space between arachnoid and pia?

Answer 1

sub-arachbopid space

Question 2

what are the meninges?

Answer 2

protective coverings over brain and spinal cord

Question 3

“hard mother”
tough
sensory supply from trigeminal
encloses dural venous sinuses

Answer 3

dura matter

Question 4

“spidery mother”

arachnoid granulations

Answer 4

arachnoid matter

Question 5

“faithful mother”

adheres to brain and vessels and nerves leaving

Answer 5

Pia

Question 6

is there CSF in the subarachnoid space?

Answer 6

YES

Question 7

where do you do a lumbar puncture?

Answer 7

L3/L4

or

L4/L5

Question 8

how many ventricles are there?

Answer 8

4

2 lateral and 3rd and 4th

Question 9

what secretes CSF?

Answer 9

choroid plexus

Question 10

once CSF has been secreted where does it go?

Answer 10

lateral ventricles then to 3rd then 4th then most of it goes into subarachnoid space but some goes into central canal of spinal cord

reabsorbed via arachnoid granulations into dural sinuses

Question 11

what nerves can be damaged if there is raise ICP?

Answer 11

occulomotor
trochlear
abducent