Brain Blood flow

Question 1

Anterior vs posterior circulation

Answer 1

Ant: common coratid ➡️ Internal coratid

Post: Subclavian a ➡️ Verterbral a

Question 2

ACA major branches

Answer 2

Callosomarginaal artery - around limbic cortex

Pericallosal artery directly around corpus callosum

Question 3

MCA 3 divisions

Answer 3

1. Stem ➡️ Lenticulostriate a
2. superior
3. inferior

Question 4

MCA supplies what

Answer 4

2/3 of cortex

lateral frontal and parital

lateral temporal

insular cortex

deep subcortical structures

1. basal ganglia
2. internal capsule
3. limbic cortex

Question 5

Anterior chordial artery comes from

Answer 5

internal corotid near MCA

Question 6

Anterior choroidal artery supplies

Answer 6

choroid plexus of lateral ventricle

optic tract

posterior internal capsule

basal ganglia

Question 7

Circle of willis is what

Answer 7

Anastomosis of cerebral arteries

Question 8

cirle of willis components

Answer 8

ACA

PCA

ant. communicaing a
post. communicating a

Question 9

PCA comes from

Answer 9

Basliar artery

Question 10

PCA branches superficial and deep

Answer 10

superficial: ant and post inferior temporal a., calcarine a
deep: tuberothalamic a, thalamogeniculate a, posterior choidal a

Question 11

Superficial branches (PCA) supply

Answer 11

medial and inferior occipital lobes

inferior temporal lobes

Question 12

deep branches (PCA) supply

Answer 12

subcortical structures

1. mid brain,
2. thalamus,
3. subthalamic structures

Question 13

Vertebral artery branches

Answer 13

Anterior spinal

posterior spinal

posterior inferior cerebellar a PICA

basilar a

Question 14

ant spinal supplies

Answer 14

2/3 spinal cord

Question 15

post spinal supplies

Answer 15

1/3 spinal cord

Question 16

PICA suppleis

Answer 16

lat medulla and infeior cerebellum

Question 17

Basliar artery branches

Answer 17

AICA (anterior inferior cerbellar artery)

labyrinthe a

pontine a

superior cebellar a (SCA)

PCA

Question 18

AICA supplies

Answer 18

lateral caudal pons and cerebellum

Question 19

labyrinthine a

Answer 19

internal acuastic meatus and vestibular apparatus

Question 20

pontine a supplies

Answer 20

small circumfrential a that supples lat pons

Question 21

SCA supplies

Answer 21

supplies cerebellum also rostral dorsolateral pons