Lesson 1 E Flashcards
What 4 arteries are the base of circle of wilis
Paired ICA and vertebral
Vertebral join together to for
Basilar
Circle of wilis supplies
Cerebral lobes with smaller branches reaching the periphery
Basilar artery gives rise to
Posterior cerebral branches
ICA branches to forms
Anterior cerebral suplly : anterior cerebral, middle cerebral and posterior comm
Only ____% of the population present normal configuration of circle of wilis
50%
_____% of the brains cardiac output supplies the brain
15%
There is little ______________ due to the brains high metabolic rate
Circulatory reserve
The brain needs
Constant supply of oxygen
The brain has no significant ____ or ____ stores
Oxygen and glucose
Cellular death of brain can occur in ___ to ___ mins
3-8 mins
ICA supplies the _____ circulation
Anterior circulation
Posterior circulation is supplied by
Vertebral arteries
Middle cerebral artery is artery of _____
Stroke
Middle cerebral artery supplies (2)
Frontal + parietal cortex