Lesson 1 C

Question 1

The first important branches of the ascending aorta

Answer 1

Coronary arteries

Question 2

Most common variant of branches and in what percent of population

Answer 2

22%

left common carotid and brachiocephalic have common origin

Question 3

The second most common and the %

Answer 3

Left vertebral artery arising directly from the arch

4-8%

Question 4

Least common normal variant

Answer 4

Common origin of both the common carotid arteries

Question 5

What happens with double aortic arch

Answer 5

The left ascending aorta goes to the left and wraps around the esophagus and connects the right descening aorta.

There are no brachiocephalic arteries, the subclavian and cca branch right off

Question 6

The vertebral arteries branch directly off of the

Answer 6

Subclavian

Question 7

The subclavian artery giver rise to what two other mafor branches

Answer 7

Internal mammary artery

Thyrocervical trunk

Question 8

The subclavian artery becomes the axillary artery where

Answer 8

After the 1st rib

Question 9

The axillary artery becomes _____ as it exits the axilla and extends to the elbow

Answer 9

Brachial

Question 10

The brachial artery gives off another branch called

Answer 10

Deep brachial artery

Question 11

The brachial artery seperates into what 3 branchs

Answer 11

Ulnar, radial and interosseous

Question 12

Early division of the brachial artery seen in what.% of pop

Answer 12

19%

Question 13

The radial and ulnar arteries communicate with each other via

Answer 13

Single dorsal arch

Question 14

The deep palmar arch is more _______ than the superficial palmar arch

Answer 14

Proximal

Question 15

The superficial arch is most dominant and gives rise to the

Answer 15

Common digital arteries

Question 16

The common digital arteries give rise to _______ which ____

Answer 16

Proper digital arteries

Which course down either side of the fingers

Question 17

The brain receives its blood supply from what 4 blood vessels

Answer 17

The paired internal carotid and vertebral arteries

Question 18

Where do the brain arteries enter the brain

Answer 18

At the base of the skull

Question 19

At the upper border of the thyroid cartilage what happens to the CCA

Answer 19

Widens into the bulb and then bifurcates into the internal carotid artery and the external artery

Question 20

The bulb is continuous with what?

Answer 20

ICA — > considered its proximal portion

Question 21

ICA supplys the ____ with blood

Answer 21

Brain

Question 22

ECA supplies ____ and ____ with blood

Answer 22

Neck and face

Question 23

ICA is a ____ artery and CCA is an ______ artery

Answer 23

ICA=muscular

ECA= elastic

Question 24

Which is bigger ICA or ECA

Answer 24

ICA

Question 25

What is the flow divider

Answer 25

The junction of the ICA and ECA

Question 26

The divider is the location of what

Answer 26

The carotid body and nerve complex of the carotid sinus

Question 27

The ICA has no

Answer 27

Extracranial branches

Question 28

The ECA branches early after the bifurcation and gives rise to

Answer 28

Superior thyroid artery

Question 29

Single most important means of differentiating ICA and ECA

Answer 29

Identifying branches of ECA

Question 30

Which is more medial ECA or ICA

Answer 30

ECA

Question 31

The ECA has a highly resistive flow pattern as a result of

Answer 31

Distal vascular bed that it suplies