Lab Quiz 5 - Blood Vessels

Question 1

carry blood away from the heart

Answer 1

arteries

Question 2

return blood to the heart

Answer 2

veins

Question 3

capillaries are composed only of

Answer 3

endothelium (simple squamous epithelium)

Question 4

at the arterial end plasma is forced out by

Answer 4

hydrostatic pressure

Question 5

at the venous end most fluid is drawn back in by

Answer 5

osmotic pressure from albumin proteins

Question 6

allows fluid exchange with tissues

Answer 6

capillaries

Question 7

3 classes of arteries

Answer 7

• elastic
• muscular
• arterioles

Question 8

• thick walled arteries, near the heart
• e.g. aorta, carotids

Answer 8

elastic arteries

Question 9

• delivers blood to specific organs/muscles
• e.g. radial, tibial

Answer 9

muscular arteries

Question 10

small, constrict and dilate to control flow into capillaries

Answer 10

arterioles

Question 11

very similar to capillaries, a class of veins

Answer 11

venules

Question 12

have larger lumens and thinner walls than arteries

medium and large ones most often seen

Answer 12

veins

Question 13

prevent backflow of blood

Answer 13

valves

Question 14

valves are only present in which veins

Answer 14

veins w/ diameter greater than 2mm

Question 15

veins that drain into the right atrium

Answer 15

• superior vena cava
• inferior vena cava
• coronary sinus

Question 16

drains the head, neck, thorax, and both upper limbs

Answer 16

superior vena cava

Question 17

drains the abdomen, pelvis, and both lower limbs

Answer 17

inferior vena cava (IVC)

Question 18

drains blood from the heart wall

Answer 18

coronary sinus

Question 19

3 layers of blood vessels (most internal to external)

Answer 19

• tunica intima
• tunica media
• tunica externa

Question 20

blood supply to larger arteries

Answer 20

vasa vasorum

Question 21

which type of vessel has the highest avg blood pressure

Answer 21

elastic arteries (aorta)

Question 22

which blood vessels have the lowest average blood pressure

Answer 22

venae cavae

Question 23

macromolecules, large proteins such as albumins

Answer 23

colloids

Question 24

supplies the brain

Answer 24

circle of willis

Question 25

arterial pathway of the upper limbs

Answer 25

1. subclavian 2. axillary 3. brachial 4. radial and ulnar 5. superficial and deep palmar arches 6. terminal digital arteries

Question 26

supplied by anterior and posterior intercostal arteries

Answer 26

thoracic wall

Question 27

made up of endothelium and a basement membrane of connective tissue

Answer 27

tunica interna

Question 28

* middle layer, contains smooth muscle arranged circularly for regulating blood flow * most blood vessels in this layer supplied w/ sympathetic nerve endings (except for clitoris and penis)

Answer 28

tunica media

Question 29

outer layer composed of connective tissue; responsible for protection, support, and anchorage

Answer 29

tunica externa

Question 30

which arteries are the first to exit the ascending aorta

Answer 30

coronary arteries

Question 31

three branches of the aortic arch

Answer 31

* brachiocephalic * common carotid * subclavian

Question 32

where does the aorta terminate

Answer 32

at the common iliac arteries

Question 33

the descending aorta has what types of divisions

Answer 33

thoracic and abdominal

Question 34

* very superficial on median size of the leg * often used for coronary artery bipasses * empties into the femoral vein

Answer 34

greater saphenous vein

Question 35

superficial vein on the lateral side of the leg

Answer 35

lesser saphenous vein

Question 36

venous pathway of the lower limb veins

Answer 36

1. digital veins 2. pedal arches 3. fibular and anterior/posterior tibial veins 4. popliteal vein 5. femoral vein 6. external iliac 7. common iliac

Question 37

deep veins of the lower leg

Answer 37

* digital * pedal arches * fibular * ant/post tibial * popliteal * femoral * external iliac * common iliac

Question 38

superficial veins of the lower limb

Answer 38

greater and lesser saphenous

Question 39

a specialized vascular system that begins and ends with a capillary bed

Answer 39

portal system

Question 40

drains blood from the gastric, splenic, pancreatic, and superior/inferior mesenteric vein

Answer 40

hepatic portal vein

Question 41

when blood is in the liver sinusoids, what happens?

Answer 41

the blood is detoxified and nutrients are removed

Question 42

blood exits the liver via what vein and empties into where

Answer 42

leaves via hepatic veins empty into IVC

Question 43

pelvis is drained by

Answer 43

the internal iliacs

Question 44

abdominal veins that drain into the IVC

Answer 44

* L&R suprarenal vein * L&R renal vein * L&R gonadal * common iliac

Question 45

the left gonadal vein dreins into where

Answer 45

the left renal vein

Question 46

the right gonadal vein drains directly into where

Answer 46

IVC

Question 47

* thoracic veins * join on the posterior of the chest wall and empty into the SVC

Answer 47

* azygos vein * hemiazygos vein

Question 48

splits immediately into the right subclavian and right common carotid arteries

Answer 48

brachiocephalic trunk

Question 49

* divides into the external and internal portions

Answer 49

common carotids (R and L)

Question 50

superficial head and neck

Answer 50

external carotid

Question 51

goes through the carotid canal and supplies the brain

Answer 51

internal carotid

Question 52

travels to the shoulder and upper arm

Answer 52

subclavian artery

Question 53

composed of internal carotids and vertebrals

Answer 53

circle of willis

Question 54

the right and left vertebral arteries fuse to become

Answer 54

basilar artery

Question 55

basilar artery branches to become the

Answer 55

posterior cerebral artery (PCA)

Question 56

connect the posterior cerebral artery to te internal carotids

Answer 56

posterior communicating arteries

Question 57

which arteries join the anterior communicating arteries to finish the circle of willis

Answer 57

anterior cerebral arteries (given off by internal carotids)

Question 58

venous pathway of the deeper veins of the upper limb

Answer 58

1. arches in hand 2. radial and ulnar veins 3. brachial vein 4. axillary vein 5. subclavian vein 6. brachiocephalic vein 7. superior vena cava

Question 59

venous pathway of the superficial veins of the upper limb

Answer 59

1. basilic (M) vein 2. cephalic (L) vein 3. median cubital vein 4. axiallary vein 5. subclavian vein 6. brachiocephalic vein 7. superior vena cava

Question 60

deep veins run along

Answer 60

arteries of the same name

Question 61

more superficial veins have

Answer 61

a more variable path

Question 62

venous sinuses

Answer 62

* superior sagittal * inferior sagittal * sigmoidal

Question 63

where do the venous sinuses of the head and neck drain into

Answer 63

the internal jugular veins ## Footnote at jugular foramen

Question 64

drains the posterior head and neck, superficially

Answer 64

external jugular veins

Question 65

internal jugulars join what to form the brachiocephalic veins that drain into the SVC

Answer 65

subclavians

Question 66

branches off the thoracic aorta

Answer 66

intercostal arteries

Question 67

unpaired branches of the abdominal aorta

Answer 67

* celiac trunk (hepatic, gastric, splenic a.) * superior mesenteric a. * inferior mesenteric a.

Question 68

the celiac trunk splits to become which arteries

Answer 68

* hepatic artery * gastric artery * splenic artery

Question 69

paired branches of the abdominal aorta

Answer 69

* L&R suprarenal artery * L&R renal artery * L&R gonadal artery