Stroke Anatomy

Question 0

Another term for circle of Willis

Answer 0

A nas to mot ic ring

Question 1

What is the pathway for posterior circulation?

Answer 1

Heart
Aorta
Subclavian 
Vertebral
Fora min a in transverse process
Foramen magmus

Question 2

What is the advantage of having a circle of Willis

Answer 2

It allows us to have several different ways to getting to the same place

Allows for backup plans if there is a traffic jam

More collateral flow

Question 3

How many people actually have a complete circle of Willis

Answer 3

25 percent

Question 4

Where does the basal start at the

Answer 4

Base of pins

Question 5

What branch provides the retina

Answer 5

Ophthalmic. 1st off int. Carotid

Question 6

Describe petrous seg of int carotid

Answer 6

Horizonyal

Rocks are flat

Question 7

Describe cavernous seg of internal

Answer 7

Cavers have snakes

Question 8

Describe cervical segment of int.

Answer 8

Vertical

Question 9

What part of internal seg is in the subarachnoid space

Answer 9

Supraclinoidinternal cranial segment

Question 10

What does ACA supply

Answer 10

Medial pfc to ant parietal (med sensory cx)

Question 11

How many branches off the mca?

Answer 11

Usually two.

But there can be up to 4

Question 12

What does the pca supply

Answer 12

Entire occipital
Medial temporal
Inferior temporal

Question 13

What does the lenticu lo striate supply

Answer 13

Basal ganglia

Internal capsule

Question 14

What supplies the internal capsule

Answer 14

Lenticulostriate

Question 15

What does the ant choroidal Artery supply

Answer 15

Gp
Thal
Post limb of internal capsule

Question 16

What artery supplies recurrent artery of heubner

Answer 16

Anterior cerebellar artery

Question 17

What does the artery of he inner supply

Answer 17

Head of caudate
Anterior pu ra men
Globus pallidus
Internal capsules

Question 18

What perforating branches come off pca

Answer 18

Thalamoperforator arteries

Question 19

What are the three mca branches

Answer 19

Superior div
Inferior
Deep territory

Question 20

What do you call it when all three mca branches are involved

Answer 20

Stem infarct

Question 21

What do you call sensory and motor deficit

Answer 21

Sensorimotor loss

Question 22

Typical TIA last

Answer 22

10 min

Question 23

What are causes alien hand

Answer 23

Supplimental cortex ACA

Question 24

What causes alexia without agraphia

Answer 24

Spenium corpus collasum

Question 25

What region causestranscotical aphasia

Answer 25

Left aca

Water shed