Control Flashcards
Which layer of dura continues with the spinal cord?
Meningeal
What does the tentorium cerebelli separate?
Occipital lobe and Cerebellum
Injury to which artery is responsible for an extradural/epidural haematoma?
Middle meningeal artery
Which branch of the trigeminal nerve innervates the following parts of the brain?
1) Flax cerebri
2) Tentorium cerebelli
3) Middle cranial fossa
Flax cerebri - V1
Tentorium cerebelli - V1
Middle cranial fossa - V2/V3
When does a subdural haemorrhage occur?
Tearing of veins from venous dural sinuses
What is the cause of a subarachnoid haemorrhage?
How does it present?
Thrombus in Circle of Willis
Thunderclap headache, vomiting, confusion
Name 3 ways hydrocephalus occurs.
1) Overproduction of CSF
2) Obstruction to flow of CSF
3) Failure to reabsorb CSF through arachnoid granulations
GCS score of 3 suggests a patient is in what state?
Coma/dead
What is the GCS score for a patient being fully awake?
15
At what angle does the cephalic flexure bend?
100*
Which type of neural matter has unmyelinated axons?
Grey
Which lobe is responsible for behaviour, mood and language?
Frontal
Which lobe is responsible for memory and hearing?
Temporal
Which lobe is responsible for calculations and visuospatial function?
Parietal
Which lobe is responsible for vision?
Occipital
What separates the cerebral cortex into L and R hemispheres?
Corpus callosum
Which type of fibres link WITHIN hemispheres?
Association
Which type of fibres link BETWEEN hemispheres?
Commisural
Which type of fibres are carried to/from hemispheres for example in the posterior limb of the internal capsule?
Projection
Which arteries exit the skull from the foramen magnum?
Vertebral arteries
Which arteries supply the deep structures in the cerebrum eg: internal capsule?
Striate arteries (arising from middle cerebral)
Emboli can travel up the internal carotid into the middle cerebral artery and can therefore occur in which arteries?
In which sulcus would these strokes get stuck?
Striate arteries
Lateral sulcus
Which arteries are not branches or continuations of the ICA?
Posterior cerebral
What structure separates the cerebellum from the pons?
4th ventricle