case 5 practical

Question 1

corpus callosum continues to develop until we are in our mid-20s. What is its function?

Answer 1

Bundle of nerve fibres that connects the two hemispheres. Functions to integrate and
transfer information from both hemispheres to process sensory, motor and high level
cognitive signals.

Question 2

Name the 3 foramina (in the roof of the 4the ventricle) through which cerebrospinal fluid
leaves the ventricular system to enter the subarachnoid space.

Answer 2

2 FORAMEN OF LUSCHKA
1 FORAMEN OF MAGENDIE

Question 3

cerebrospinal fluid arises from the ventricles within the brain. Name the tissue that produces
it?

Answer 3

CHOROID PLEXUS

Question 4

how does cerebrospinal fluid leave the subarachnoid space?

Answer 4

REABSORBED VIA THE ARACHNOID VILLI INTO THE VENOUS SYSTEM

Question 5

What fluid fills the subarachnoid space?

Answer 5

CEREBROSPINAL FLUID

Question 6

Name the two locations within the ventricular system that are most likely to be
blocked (e.g. the presence of a tumour).

Answer 6

intraventricular foramen AND cerebral aqueduct

Question 7

A blockage in these narrow areas in the ventricular system will likely lead to a
condition known as ‘hydrocephalus’. What are the consequences of this?

Answer 7

CSF BUILDS UP, INCREASING PRESSURE- POTENTIAL OF IMPACTING ALL OF
TO THE FUNCTIONAL AREAS OF THE BRAIN. DEVELOPMENTAL DELAYS IN CHILDREN, SEIZURES, HEADACHES.

Question 8

What would be the consequence of rupture of the structure running in middle meningeal artery

Answer 8

epidural haematoma