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Aphasia Arteries

MCA, ACA, PCA

QuestionAnswer
Feeds lateral surface of frontal, temporal and occipital lobes, including major speech-language areas MCA
perisylvian zone frontal temporal and occipital lobes including major speech-language areas. feed by the MCA
T/F. Cerebral arteries run horizontally False. Cerebral arteries run vertically. Communicating arteries run horizontally.
T/F. Communicating arteries run horizontally True. Communicating arteries run horizontally. Cerebral arteries run vertically.
responsible for carrying blood to brain arteries
return blood from brain veins
return blood from cortex superficial venous system
return blood from deep structures deep veins venous system
Two systems that carry blood to brain subclavian artery and vetebral
caratoid system carries blood to brain comes form the heart goes sides of the neck
basalar system comes from back are from heart up the back of neck to carry blood to brain
____________ artery bifurcates (divides) into external and internal _____ artery Carotid artery bifurcates into external and internal carotid artery. One set goes to right hemisphere and one goes to the left. Internal goes to brain becomes MCA. External not as important for brain
watershed areas/zones receive blood from two cerebral arteries.
2 watershed areas posterior watershed receives blood from MCA/PCA and anterior watershed area receives blood from ACA/MCA
go from one eye to back of each eye on same side ipsilateral (temporal fibers) of eye
go from one eye to back of eye on other side contralateral (nasal fibers) of eye
T/F External Carotid Artery more involved with feeding muscles of face, not important for brain True. Internal carotid artery goes to brain and becomes middle cerebral artery
T/F Subclavian artery is the basalar system. False. Subclavian is the carotid system, the vetebral is the basalar system.
Subclavian divides into _______ and _______ carotid artery Subclavian divides into external and internal carotid artery
internal Carotid artery becomes which cerebral arteries MCA, and ACA when it hits brain.
Basalar system joins to form the basalar artery which bifurcates and forms _________ cerebral artery PCA Posterior Cerebral artery.
T/F Internal carotid artery forms the posterior cerebral artery and the Basalar artery forms the middle cerebral artery and atnerior cerebral artery False. The Internal carotid artery forms the MCA and ACA Basalar Artery forms the PCA
T/F there are two cerebral arteries for each hemisphere of brain False. 3 cerebral arteries for each hemisphere MCA, PCA, ACA
T/F The 3 cerebral arteries connect at the thalmus through communicating arteries. False. The 3 cerebral arteries connect at the circle of willis through communicating arteries
Cerebral artery that feeds the medial surface and lateral fringe of frontal and parietal lobes. Anterior Cerebral artery
Most important cerebral artery for speech and language Middle cerebral artery feeds the perisylvian zone
Cerebral artery that feeds the lateral fring of temporal and occipital lobes, splenium (deep) corpus callosum, with branches to subcortical structures (thalmus) Posterior Cerebral Artery
Cerebral artery feeds lateral surface of frontal, temporal an occipital lobes including major speech langauge areas (perisylvian zone), insula and lenticelostriate arteries supply deep structures such as basal ganglia Middle cerebral artery- most important for speech and language
T/F. PCA and ACA can also cause aphasia but not as common as MCA True
On the surface where lateral aresas have major cerebral arteries that overlap providing "back-up protection" watershed areas
List the watershed areas anterior watershed area: ACA+MCA posterior watershed area: MCA + PCA
Created by: shayc09
 

 



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