Lesson 1C - 2

Question 1

ECA branches from inferior to inferior

Answer 1

Superior thyroid
Ascending
Pharyngeal
Lingual
Facial
Occipital
Posterior auricular
Maxillary
Superficial temporal

Sally
Ann
Likes
Flirting
On 
Peterboroughs
Main
Street

Question 2

What do collateral vessels do

Answer 2

Reroute blood flow

Question 3

The most important ECA collaterals are categorized by what

Answer 3

Those that communicate with the opthalmic or vertebral artery

Question 4

MOST IMPORTANT ECA COLLATERALS (4)

Answer 4

Occipital
Facial
Superficial temporal
Internal maxillary arteries

Question 5

The portion of the ICA that we scan

Answer 5

Cervical (extracranial)

Question 6

The ICA is directed

Answer 6

Laterally, dorsally and upwards in the neck

Question 7

The ICA has what type of resistant flow pattern

Answer 7

Low

Question 8

What is a normal variant of the ICA

Answer 8

Coils

Question 9

What can coils lead to over time

Answer 9

Kinks – HBP – stenosis

Question 10

The ICA supplies most of the ____ circulation of the brain

Answer 10

anterior

Question 11

4 portions of the ICA

Answer 11

Cervical
Petrous
Cavernous
Supraclinoid

Question 12

Where is the petrous portion of ICA

Answer 12

Pass through temporal bone at petrous bone

Question 13

Describe the cavernous portion of the ICA

Answer 13

Tortuous portion where the opthalamic artery branches

Question 14

Where is the supraclinoid portion

Answer 14

Where branching of the intracranial ICA occurs to form circle of willis

Question 15

The first intracranial branch is the

Answer 15

Opthalmic artery

Question 16

The ICA terminates at the

Answer 16

Anterior cerebral artery

Question 17

Vertebral arteries supply ____ circulation of the brain

Answer 17

Posteriort

Question 18

Where do the vertebrals enter the skull

Answer 18

Transverse foramena

Question 19

Vertebral arteries give off ___ and ___ branches

Answer 19

Muscular and spinal

Question 20

The vertebrals leave the cervical spine at the ______ and then loop anteriorly to enter the_____

Answer 20

Atlanto-occipital interspace

Foramen magnum

Question 21

The vertebral arteries unite at the _____ to form the _______

Answer 21

Pontomedullary junction to form the basiliar artery

Question 22

The vertebral vein is formed from numerous small tributaries which spring from the

Answer 22

Vertebral venous plexus

Question 23

The vertebral vein travels along side the

Answer 23

Vertebral artery

Question 24

The vertebral bein empties into the ____ where _____ are located

Answer 24

Innominate vein where valves are located