Lecture 4: Blood Supply to the Brain

Question 1

internal carotid arteries : supply anterior circulation :: vertebral arteries : supply ___ circulation

Answer 1

posterior

Question 2

this artery supplies the medial frontal lobe, medial parietal lobe, and ventral anterior frontal lobe

Answer 2

anterior cerebral artery - a branch of the internal carotid arteries

Question 3

this artery supplies the outer (lateral) surface of the cortex and the perisylvian language zone - most common artery involved in stroke

Answer 3

middle cerebral artery - a branch of the internal carotid arteries

Question 4

strokes involving the left middle cerebral artery have a ___ chance of resulting in speech-language impairments because this artery feeds the speech-language zones in the left hemisphere

Answer 4

greater

Question 5

true or false: middle cerebral artery strokes don’t often result in aphasia because the left hemisphere is dominant for language in most individuals

Answer 5

true

Question 6

this artery supplies the lower lateral surface of the temporal lobes, lateral and medial surface of the occipital lobes, and portions of the thalamus

Answer 6

posterior cerebral artery - a branch of the internal carotid arteries

Question 7

branches of these arteries supply the brainstem and the cerebellum

Answer 7

vertebral and basilar arteries