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A+P 2 > Lab Quiz 5 - Blood Vessels > Flashcards

Lab Quiz 5 - Blood Vessels Flashcards

1
Q

carry blood away from the heart

A

arteries

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2
Q

return blood to the heart

A

veins

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3
Q

capillaries are composed only of

A

endothelium (simple squamous epithelium)

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4
Q

at the arterial end plasma is forced out by

A

hydrostatic pressure

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5
Q

at the venous end most fluid is drawn back in by

A

osmotic pressure from albumin proteins

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6
Q

allows fluid exchange with tissues

A

capillaries

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7
Q

3 classes of arteries

A
  • elastic
  • muscular
  • arterioles
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8
Q
  • thick walled arteries, near the heart
  • e.g. aorta, carotids
A

elastic arteries

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9
Q
  • delivers blood to specific organs/muscles
  • e.g. radial, tibial
A

muscular arteries

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10
Q

small, constrict and dilate to control flow into capillaries

A

arterioles

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11
Q

very similar to capillaries, a class of veins

A

venules

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12
Q

have larger lumens and thinner walls than arteries

medium and large ones most often seen

A

veins

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13
Q

prevent backflow of blood

A

valves

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14
Q

valves are only present in which veins

A

veins w/ diameter greater than 2mm

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15
Q

veins that drain into the right atrium

A
  • superior vena cava
  • inferior vena cava
  • coronary sinus
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16
Q

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

A

superior vena cava

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17
Q

drains the abdomen, pelvis, and both lower limbs

A

inferior vena cava (IVC)

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18
Q

drains blood from the heart wall

A

coronary sinus

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19
Q

3 layers of blood vessels (most internal to external)

A
  • tunica intima
  • tunica media
  • tunica externa
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20
Q

blood supply to larger arteries

A

vasa vasorum

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21
Q

which type of vessel has the highest avg blood pressure

A

elastic arteries (aorta)

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22
Q

which blood vessels have the lowest average blood pressure

A

venae cavae

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23
Q

macromolecules, large proteins such as albumins

A

colloids

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24
Q

supplies the brain

A

circle of willis

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25
Q

arterial pathway of the upper limbs

A
  1. subclavian
  2. axillary
  3. brachial
  4. radial and ulnar
  5. superficial and deep palmar arches
  6. terminal digital arteries
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26
Q

supplied by anterior and posterior intercostal arteries

A

thoracic wall

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27
Q

made up of endothelium and a basement membrane of connective tissue

A

tunica interna

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28
Q
  • 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)
A

tunica media

29
Q

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

A

tunica externa

30
Q

which arteries are the first to exit the ascending aorta

A

coronary arteries

31
Q

three branches of the aortic arch

A
  • brachiocephalic
  • common carotid
  • subclavian
32
Q

where does the aorta terminate

A

at the common iliac arteries

33
Q

the descending aorta has what types of divisions

A

thoracic and abdominal

34
Q
  • very superficial on median size of the leg
  • often used for coronary artery bipasses
  • empties into the femoral vein
A

greater saphenous vein

35
Q

superficial vein on the lateral side of the leg

A

lesser saphenous vein

36
Q

venous pathway of the lower limb veins

A
  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
37
Q

deep veins of the lower leg

A
  • digital
  • pedal arches
  • fibular
  • ant/post tibial
  • popliteal
  • femoral
  • external iliac
  • common iliac
38
Q

superficial veins of the lower limb

A

greater and lesser saphenous

39
Q

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

A

portal system

40
Q

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

A

hepatic portal vein

41
Q

when blood is in the liver sinusoids, what happens?

A

the blood is detoxified and nutrients are removed

42
Q

blood exits the liver via what vein and empties into where

A

leaves via hepatic veins
empty into IVC

43
Q

pelvis is drained by

A

the internal iliacs

44
Q

abdominal veins that drain into the IVC

A
  • L&R suprarenal vein
  • L&R renal vein
  • L&R gonadal
  • common iliac
45
Q

the left gonadal vein dreins into where

A

the left renal vein

46
Q

the right gonadal vein drains directly into where

A

IVC

47
Q
  • thoracic veins
  • join on the posterior of the chest wall and empty into the SVC
A
  • azygos vein
  • hemiazygos vein
48
Q

splits immediately into the right subclavian and right common carotid arteries

A

brachiocephalic trunk

49
Q
  • divides into the external and internal portions
A

common carotids (R and L)

50
Q

superficial head and neck

A

external carotid

51
Q

goes through the carotid canal and supplies the brain

A

internal carotid

52
Q

travels to the shoulder and upper arm

A

subclavian artery

53
Q

composed of internal carotids and vertebrals

A

circle of willis

54
Q

the right and left vertebral arteries fuse to become

A

basilar artery

55
Q

basilar artery branches to become the

A

posterior cerebral artery (PCA)

56
Q

connect the posterior cerebral artery to te internal carotids

A

posterior communicating arteries

57
Q

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

A

anterior cerebral arteries (given off by internal carotids)

58
Q

venous pathway of the deeper veins of the upper limb

A
  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
59
Q

venous pathway of the superficial veins of the upper limb

A
  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
60
Q

deep veins run along

A

arteries of the same name

61
Q

more superficial veins have

A

a more variable path

62
Q

venous sinuses

A
  • superior sagittal
  • inferior sagittal
  • sigmoidal
63
Q

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

A

the internal jugular veins

at jugular foramen

64
Q

drains the posterior head and neck, superficially

A

external jugular veins

65
Q

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

A

subclavians

66
Q

branches off the thoracic aorta

A

intercostal arteries

67
Q

unpaired branches of the abdominal aorta

A
  • celiac trunk (hepatic, gastric, splenic a.)
  • superior mesenteric a.
  • inferior mesenteric a.
68
Q

the celiac trunk splits to become which arteries

A
  • hepatic artery
  • gastric artery
  • splenic artery
69
Q

paired branches of the abdominal aorta

A
  • L&R suprarenal artery
  • L&R renal artery
  • L&R gonadal artery

A+P 2 (21 decks)

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