Blood Supply

Question 1

internal carotid A branches

Answer 1

1. ophthalmic A
2. anterior and posterior communicating
3. anterior choroidal
4. anterior cerebral

Question 2

anterior cerebral branches

Answer 2

1. pericallosal (outer corpus callosum)
2. callosomarginal (runs above peri)
3. anterior choroidal
4. recurrent A of heubner

Question 3

anterior cerebral A supplies

Answer 3

medial aspect of frontal and parietal lobes
-medial sensorimotor cortex (leg and foot)

Question 4

recurrent A of heubner supplies

Answer 4

anterior asepct of deep cerebral nuclei
-head of caudate
-putamen
-internal capsule (anterior limb)
-globus pallidus

Question 5

middle cerebral superior divison

Answer 5

cortex above lateral fissure
-lateral frontal cortex with pre/post central gyri
-Brocas

Question 6

middle cerebral inferior division

Answer 6

-cortex below lateral fissure
-supplies lateral temporal lobe and parts of parietal
-Wernickes

Question 7

middle cerebral supplies

Answer 7

lateral striate (lenticulostriate)
-basal nuclei (putamen and pallidum)
-internal capsule

Question 8

ganglionic A

Answer 8

supply hypothalamus

Question 9

watershed zones definition

Answer 9

regions of cortex b/t two arterial branches/vessels

result in loss of arterial BP

Question 10

stroke prone areas

Answer 10

-posterior limb of capsule with corticospinal tract
-lateral striate

Question 11

posterior cerebral supplies

Answer 11

thalamus, midbrain
-via quadrigeminal A

Question 12

calcarine branch of brodmanns

Answer 12

area 17- primary visual cortex