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A215 - block three > blood vessels > Flashcards

blood vessels Flashcards

1
Q

vessel wall contains large amount of elastic protein fibers

A

elastic arteries

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2
Q

tunica media consists of 6 or fewer layers of smooth muscle

A

arterioles

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3
Q

tiny vessels that connect arteries and veins

A

capillaries

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4
Q

take blood BACK TO the heart
- transport blood low in oxygen and high in carbon dioxide (exception: pulmonary veins)
- compared to arteries, their walls are much thinner and collapsible
- lumen generally much larger than arteries
- blood pressure is lower in veins

A

veins

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5
Q

take blood AWAY from the heart to other tissues
- transport blood high in oxygen (exception: pulmonary arteries)
- they have a relatively thick, springy wall
- blood pressure is higher in arteries than in veins

A

arteries

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6
Q

prevent backflow in veins

A

valves

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7
Q

outermost layer
- areolar connective tissue
- largest layer in veins

A

tunica externa

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8
Q

opening of veins

A

lumen

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9
Q

middle layer
- circularly arranged smooth muscle fibers
- largest layer in arteries
- sympathetic innervation typically causes vasoconstriction

A

tunica media

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10
Q

less elastic than elastic arteries, and more smooth muscle in the tunica media

A

muscular arteries

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11
Q

left and right brachiocephalic veins (head, neck, upper limbs)

A

superior vena cava

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12
Q

innermost layer
- endothelium (simple squampus epithelium) and areolar connective tissue

A

tunica intima

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13
Q

help blood be pushed in veins toward heart

A

skeletal muscle pumps

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14
Q

heart to elastic arteries to muscular arteries to arterioles to capillaries to venules to veins to heart

A

pathway of blood

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15
Q

coronary arteries (right and left)

A

ascending aorta

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16
Q

common site of venipuncture

A

median cubital vein

17
Q

collect blood from capillaries

A

venules

18
Q

brachiocephalic trunk
left common carotid artery
left subclavian artery

A

aortic arch

19
Q
  • vessel diameter is only slightly larger than the diameter of an erythrocyte
  • have just a tunica intima
  • gas/nutrient exchange occurs here
A

capillaries

20
Q
  • veins inferior to diaphragm including internal iliac veins, external iliac veins, common iliac veins
A

inferior vena cava

21
Q
  • subclavian artery
  • axillary artery
  • brachial artery
  • radial artery
  • ulnar artery
  • superficial palmar arch
    (deep veins have the same names as arteries)
  • superficial veins:
    • cephalic vein
    • basilic vein
    • median cubital vein
A

upper limbs

22
Q
  • internal thoracic artery
  • anterior intercostal artery
  • posterior intercostal artery
  • internal thoracic vein
  • anterior intercostal vein
  • azygos system:
    • azygos vein
    • hemiazygos vein
    • (accessory hemiazygos vein)
    • posterior intercostal vein
A

thorax

23
Q
  • internal iliac arteries
  • external iliac arteries
A

common iliac arteries

24
Q
  • formed when venules unite
  • most (but not all) have valves
A

veins

25
Q
  • femoral artery
  • popliteal artery
  • anterior tibial artery
  • posterior tibial artery
  • fibular artery
  • (deep veins have the same names as arteries)
  • superificial veins:
    • great saphenous vein
    • small saphenous vein
A

lower limbs

26
Q
  • descending thoracic aorta
  • descending abdominal aorta
A

descending aorta

27
Q
  • common carotid artery
    • external carotid artery
      • superficial temporal artery
    • internal carotid artery
  • vertebral artery
  • external jugular vein
  • internal jugular vein
A

head and neck

28
Q
  • cerebral arterial circle (of Willis)
    • basilar artery (union of vertebral arteries)
    • internal carotid arteries
  • dural venous sinuses
    • drain into internal jugular veins into subclavian veins
A

brain

29
Q
  • celiac trunk
  • superior mesentaric artery
  • inferior mesenteric artery
A

abdomen

A215 - block three (11 decks)

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