Week 2- Abdominal Vasculature

Question 1

Flow of blood starting in arteries

Answer 1

arteries –> arterioles –> capillaries –> venules –> veins

Question 2

What Bifurcates

Answer 2

Arteries

Question 3

what Confluences

Answer 3

Veins

Question 4

3 layers of arteries and veins from out –> in

Answer 4

1. tunica adventitia
2. tunica media
3. tunica intima

Question 5

smooth muscle layer allows for contraction and dilation

Answer 5

tunica media

Question 6

made of CT, collagen, and elastic fibers for greater elasticity

Answer 6

tunica adventitia

Question 7

small arteries have __ elastic tissue and __ smooth muscle than large arteries

Answer 7

1. less
2. more
   WHY? large arteries need more elastic tissue to maintain steady blood flow

Question 8

hollow, collapsible tubes with diminishes tunica media

Answer 8

veins

Question 9

___ have larger total diameter than ____

Answer 9

1. veins

2. arteries

Question 10

__ does NOT change in diameter with respiration

Answer 10

Aorta

Question 11

contain vales that prevent backflow and permit blood to flow only in 1 direction

Answer 11

veins

Question 12

Aorta is Left of…

Answer 12

IVC, spine

Question 13

Aorta is posterior to

Answer 13

• Left liver lobe
• body of pancreas
• pylorus of stomach
• celiac trunk
• splenic vein
• SMA
• LRV

Question 14

Aorta is anterior to

Answer 14

• psoas muscle

- spine

Question 15

Aorta is medial to

Answer 15

• right kidney

- tail of pancreas

Question 16

Max diameter of distal Aorta

Answer 16

3.0cm