Chapter 4

Question 1

what is the definition of Arteriole?

Answer 1

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

Question 2

what is the definition of Artery?

Answer 2

a blood vessel that carries blood away from the heart.

Question 3

what is the definition of Capillary?

Answer 3

a small blood vessel with only endothelium & basement membrane through which the exchange of nutrients and waste occur.

Question 4

what is the definition of Vein?

Answer 4

a blood vessel that carries blood towards the heart.

Question 5

what is the definition of venule?

Answer 5

a small vein that is continuous with a capillary.

Question 6

how is blood circulated throughout the body?

Answer 6

by a network of arteries, veins, & capillaries

Question 7

what do arteries do?

Answer 7

carry blood rich in nutrients and oxygen from the heart out to organs & tissue beds

Question 8

what do veins do?

Answer 8

return deoxygenated blood with waste materials toward the heart.

Question 9

what is anastomosis?

Answer 9

connection between two vessels.

Question 10

what is arteriovenous fistula?

Answer 10

connection allowing communication between an artery and a vein.

Question 11

what does ectasia mean?

Answer 11

dilation, expansion, or distention

Question 12

what does the nutcracker phenomenon refer to?

Answer 12

the compression of the left renal vein between the aorta and the SMA

Question 13

typically blood vessels are composed of three distinct layers called?

Answer 13

Tunica Intima, media & adventitia

Question 14

what are segments of the aorta?

Answer 14

ascending, arch, descending, thoracic, abdominal

Question 15

Aorta relational anatomy

Answer 15

Anterior to the spine.
Left of IVC.
More posterior proximally than distally.

Question 16

Inferior vena cava relational anatomy

Answer 16

Anterior to the spine.
Right of the aorta.
Courses anteriorly to enter right atrium.

Question 17

Hepatic artery relational anatomy

Answer 17

Anterior to the portal vein.
Left of the common bile duct.
Superior to the head of pancreas.

Question 18

Splenic artery relational anatomy

Answer 18

Superior to the body and tail of the pancreas.

Question 19

Superior mesenteric artery relational anatomy

Answer 19

Posterior to the body of the pancreas and the splenic vein.

Anterior to the aorta.

Question 20

Right renal artery relational anatomy

Answer 20

Posterior to the IVC

Question 21

Splenic vein relational anatomy

Answer 21

Posterior to the body and tail of the pancreas.

Inferior to the splenic artery.

Question 22

Superior mesenteric vein relational anatomy

Answer 22

Right of & parallel to the superior mesenteric artery

Question 23

Left renal vein relational anatomy

Answer 23

Anterior to the aorta.
Posterior to the superior mesenteric artery.
Anterior to the right renal artery.

Question 24

Portal vein relational anatomy

Answer 24

Anterior to the inferior vena cava.

Question 25

Common bile duct relational anatomy

Answer 25

Anterior to the portal vein.

Right of the hepatic artery.

Question 26

what is an aneurysm?

Answer 26

A localized dilation of the wall of an artery.