Chapter 21: Venous anatoy

Question 1

venae comitantes

Answer 1

veins corresponding to matching arteries

Question 2

paired peroneal veins

Answer 2

formed by confluence of venules

empty lateral leg

Question 3

paired posterior tibial veins

Answer 3

formed by confluence of venules

empty back of leg

Question 4

paired anterior tibial veins

Answer 4

formed by confluence of venules

empty front of leg

Question 5

popliteal vein

Answer 5

formed by union of ATV and tibial peroneal trunk

becomes femoral vein

Question 6

femoral vein

Answer 6

popliteal vein becomes femoral vein when it passes through adductor hiatus

Question 7

common femoral vein

Answer 7

formed by femoral vein and deep femoral vein joining

Question 8

the common femoral vein becomes

Answer 8

external iliac vein when it passes through inguinal ligament

Question 9

the common iliac vein is formed by

Answer 9

confluence of external and internal iliac veins

Question 10

may thurner syndrome

Answer 10

left common iliac vein passes under right common iliac artery and extrinsic compression happens this can lead to a left lower extremity dvt

Question 11

IVC

Answer 11

formed by confluence of common iliac veins at level of 5th lumbar vertebrae
carries blood into right atrium

Question 12

small saphenous vein (lesser saph)

Answer 12

ascends back of calf

joins popliteal vein

Question 13

what is the longest vein in the body

Answer 13

great saphenous vein

Question 14

great saphenous vein travels

Answer 14

medial to saphenofemoral junction in groin

arises from dorsum of foot

Question 15

perofators

Answer 15

carry blood from superifical veins into deep veins

Question 16

posterior arch vein

Answer 16

has three ankle perforators

plays major role in development of venous stasis ulcers

Question 17

SSV has an important

Answer 17

lateral perforating branch

Question 18

important perforators of posterior arch vein

Answer 18

cockett I II and III

Question 19

intracranial venous sinus

Answer 19

space between dura mater and periosteum that drains blood into the ijv

Question 20

lower extremity venous sinus/ soleal sinus

Answer 20

dilated channels in soleal and gastroc muscle
drain blood into ptv and perov
major part of vald muscle pump

Question 21

paired radial veins

Answer 21

empty lateral hand and forearm

Question 22

paired ulnar veins

Answer 22

empty medial hand and forearm

Question 23

paired brachial veins are formed by

Answer 23

confluence of radial and ulnar veins

Question 24

axillary vein is formed by

Answer 24

confluence of brachial and basilic veins

Question 25

subclavian vein

Answer 25

formed by confluence of axillary vein and cephalic vein

Question 26

innominate vein

Answer 26

formed by confluence of subclavian vein and IJV

Question 27

Superior vena vaca

Answer 27

formed by confluence of right and left innominate veins | carries blood into right atrium

Question 28

Basilic vein

Answer 28

``` superficial formed by digital veins empties medial aspect of arm can be harvest for arterial bypass joins brachial vein to form axillary vein ```

Question 29

cephalic vein

Answer 29

``` superficial formed by digital veins empties lateral aspect of arm join axillary vein to form subclavian vein can be harvested ```

Question 30

portal vein

Answer 30

formed by SMV and Splenic vein drains abdominal part of difiestic tract carries blood into sinusoids of liver

Question 31

portal vein carrys how much of blood flow to liver

Answer 31

80%

Question 32

hepatic veins

Answer 32

carry blood from the liver into IVC

Question 33

hepatofugal

Answer 33

away from liver

Question 34

hepatopedal

Answer 34

towards liver

Question 35

renal veins

Answer 35

empty into ivc

Question 36

SVC and IVC terminate where

Answer 36

rt atrium

Question 37

function of veins

Answer 37

thin walled transport blood from capillaries towards heart | carry away waste

Question 38

layers of veins

Answer 38

intima media (very thin) adventitia

Question 39

size of veins

Answer 39

``` capillaries (small) vena cava (largest) ```

Question 40

venous valves are an extension of

Answer 40

intimal layer

Question 41

venous valves are

Answer 41

biscuspid structure providing unidirectional flow

Question 42

valves of lower extremities are

Answer 42

more susceptible to disease secondary to effects of venous thrombosis

Question 43

veins without valves

Answer 43

``` soleal sinuses external iliac vein common iliac internal iliac innominate SVC and IVC ```

Question 44

external iliac vein can contain valves

Answer 44

25% of the time

Question 45

great saph # of valves

Answer 45

12 mostly below knee

Question 46

small saph # of valves

Answer 46

6-12

Question 47

perforators # of valves

Answer 47

each contain a valve

Question 48

infra popliteal veins # of valves

Answer 48

7-12 each

Question 49

popliteal and femoral valves

Answer 49

1-3 each

Question 50

common femoral vein valve #

Answer 50

1

Question 51

IJV valve number

Answer 51

1