Lecture1 - Vessel Anatomy

Question 1

The small blood vessels in the walls of large arteries and veins.

Answer 1

Vaso Vasorum

Question 2

Outermost layer of a vessel wall, composed of collagen, nerve fibers, and
small blood vessels.

Answer 2

Tunica adventitia

Question 3

Middle layer within a blood vessel, composed mainly of smooth muscle cells.

Answer 3

Tunica media

Question 4

Innermost vessel layer consisting of an endothelial cell lining with connective
tissue components beneath it.

Answer 4

Tunica intima

Question 5

A small vein that is continuous with a capillary

Answer 5

Venule

Question 6

: A blood vessel that carries blood toward the

Answer 6

Vein

Question 7

A small blood vessel with only endothelium and basement membrane through
which exchange of nutrients and waste occurs.

Answer 7

Capillary

Question 8

A blood vessel that carries blood away from the heart.

Answer 8

Artery

Question 9

: A small artery with a muscular wall; a terminal artery that continues into the
capillary network.

Answer 9

Arteriole

Question 10

Plaque can build in this layer of the vessel

Answer 10

Tunica Intima

Question 11

Small and medium arteries average approx _____ mm in diameter and are mainy distributive.

Answer 11

4 mm

Question 12

Arterioles are about ____- microns or less in diameter.

Answer 12

100 microns

Question 13

These vessels are the principal point of resistance to blood flow within the vascular system

Answer 13

Arterioles

Question 14

Venules are approx ___ microns in diameter

Answer 14

20 microns

Question 15

Small and medium veins range in diameter from __ to ___ mm.

Answer 15

1 - 10 mm

Question 16

What propels blood through veins?

Answer 16

Muscle contraction

Question 17

Valves of veins are usually absent in the ___ and ___ but common in the ___

Answer 17

Thorax
Abdomen
Legs

Question 18

Capillaries measure approx ___ microns in diameter

Answer 18

8 microns

Question 19

The ascending AO is approx ___ cm in diameter

Answer 19

3 cm

Question 20

The brachiocephalic artery is typically __ to __ cm in length

Answer 20

4 - 5 cm

Question 21

At the ______ joint, the brachiocephalic artery divides into the right CCA and the right subclavian artery

Answer 21

Sternoclavicular

Question 22

Name the vessels extending off the AO arch from Left to Right

Answer 22

Brachiocephali (iNNOMINATE)
Left Subclavian

Question 23

If the brachiocephalic or subclavian artery are blocked, this artery will steal blood from the subclavian as a collateral pathway to feed the brain - flow becomes _______

Answer 23

Vertebral
Retrograde

Question 24

The axillary vein begins at the junction of the _____ and ____ veins

Answer 24

Brachial
Basilic