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Ana > Ch 22 Lec 1 Blood Vessels > Flashcards

Ch 22 Lec 1 Blood Vessels Flashcards

0
Q

these are exchange vessels

A

capillaries

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1
Q

carry blood away from heart

A

artery

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2
Q

these return blood to heart

A

veins

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3
Q

blank does not distinguish arteries from veins

A

oxygen

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4
Q

smooth surface for blood flow and simple squamous epithelium

A

endothelium

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5
Q

this provides elasticity to withstand blood pressure changes

A

connective tissue

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6
Q

smooth muscle causes blank and blank in blood vessels

A

vasoconstriction, vasodilation

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7
Q

innermost layer of blood vessel and is endothelium on top of connective tissue membrane

A

tunica intima

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8
Q

middle layer of blood vessel that is the bulk of the wall and has smooth muscle and elastic connective tissue

A

tunica media

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9
Q

outer thin layer of connective tissue that is elastic and collagenous fibers

A

adventitia (tunica externa)

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10
Q

tunica externa attaches artery to blank

A

surrounding tissues

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11
Q

tunica externa have blank which are blood vessels of blood vessels because they are so thick

A

vasa vasorum

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12
Q

arteries are blank and blank

A

strong, elastic

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13
Q

arteries are subdivided into blank

A

arterioles

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14
Q

artery walls are blank than veins

A

thicker

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15
Q

artery lumen appears blank than veins

A

smaller

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16
Q

artery blank can not contract but veins can

A

endothelium

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17
Q

blank arteries and have a large diameter and in areas of high pressure

A

elastic

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18
Q

elastic arteries have a blank which has less smooth muscle and a high percentage of elastic tissue

A

media

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19
Q

two examples of elastic arteries

A

pulmonary trunk, aorta, carotid, subclavian, common iliacs

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20
Q

type of artery that is a large to small diameter and carry blood to skeletal muscles and organs

A

muscular

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21
Q

microscopic continuations of arteries

A

arterioles

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22
Q

arterioles have a blank diameter and adventitia is blank

A

small, thin

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23
Q

arterioles have no external blank membrane

A

elastic

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24
Q

arterioles have no blank

A

vasa vasorum

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25
Q

capillaries consist of only blank

A

intima

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26
Q

capillaries have variable blank

A

permeability

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27
Q

two materials exchanged in capillaries

A

nutrients, dissolved gases, wastes

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28
Q

capillary permeability is maximized by a blank wall and low blank

A

thin, blood pressure

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29
Q

permeability in a capillary is thanks to blank across endothelial cells

A

diffusion

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30
Q

diffusion in capillaries can also be through blank between endothelium

A

gaps

31
Q

diffusion through blank also provide for permeability in capillaries

A

pores

32
Q

this type of permeability in capillaries that is active transport

A

vesicular transport with pinocytes

33
Q

continuous capillaries have many tight blank, blank, and blank

A

junctions, desmosomes, pinocytes

34
Q

continuous capillaries allow movement by blank diffusion or blank transport

A

passive, active

35
Q

locations of continuous capillaries

A

central nervous system, skeletal muscles, lungs

36
Q

capillaries with a Swiss cheese appearance because they have pores

A

fenestrated

37
Q

two locations of fenestrated capillaries

A

kidneys, intestines, endocrine glands, choroid plexus

38
Q

capillaries that are specialized for max exchange and have large intercellular gaps and pores

A

sinusoid capillaries

39
Q

in sinusoid capillaries there is a discontinuous blank membrane which allows cells to blank

A

basement, enter/exit

40
Q

a network of interconnected capillaries

A

capillary beds

41
Q

capillary beds are derived from blank

A

arterioles

42
Q

part of capillary beds that manages blood flow to bed

A

precapillary sphincters

43
Q

part of capillary beds that are a direct connection through the bed and leads to a thoroughfare channel

A

metarterioles

44
Q

part of capillary bed that has collateral arteries

A

anastomoses

45
Q

collateral arteries are two arteries blank

A

fused

46
Q

in collateral arteries there are twice as much blank that supplies the arteries

A

blood

47
Q

collateral arteries are found in areas with high blank demands

A

O2

48
Q

part of anastomoses that has a direct connection between arteriole and venule

A

arteriovenous anastomosis

49
Q

blood flow may be hindered by posture in blank

A

arteriovenous anastomosis

50
Q

smallest veins that collect blood from capillaries

A

venules

51
Q

venules can lack a blank

A

media

52
Q

venules have a minimal amount of blank sometimes

A

smooth muscles

53
Q

these are veins that are 2-9 mm in diameter and have thin media

A

medium sized veins

54
Q

medium sized veins have few smooth blank

A

muscle fibers

55
Q

great veins, superior/inferior vena cava, and their tributaries are considered blank

A

large sized veins

56
Q

large sized veins have a blank media

A

thin

57
Q

large sized veins have a blank blood pressure

A

low

58
Q

these are flap like structures projecting inward

A

venous valves

59
Q

venous valves are folds of blank and are found in blank

A

media, extremities

60
Q

veins have a low blank

A

blood pressure

61
Q

valves prevent blank flow of blood

A

back

62
Q

blank helps pump which helps movement of movement of blood through veins

A

skeletal muscles

63
Q

expansion of the thoracic cavity makes up this pump and is for movement of blood through veins

A

thoracoabdominal pump

64
Q

blood distribution of the body is blank

A

uneven

65
Q

oxygenated blood in the arteries make up blank of blood

A

1/3

66
Q

deoxygenated venous blood makes up blank of blood

A

2/3

67
Q

veins blank during blood loss

A

contract

68
Q

the uneven blood flow creates a blank

A

blood reservoir

69
Q

deoxygenated blood goes to lungs from right ventricle which is called the blank circuit

A

pulmonary

70
Q

blood is oxygenated in blank capillaries of lungs

A

alveolar

71
Q

in pulmonary circuit, blood is brought to blank then to blank

A

left atrium, left ventricle

72
Q

veins are blank in pulmonary circuit

A

oxygenated

73
Q

arteries are blank in pulmonary circuit

A

deoxygenated

74
Q

oxygenated blood goes ffrom left ventricle to body in this circuit

A

systemic

Ana (40 decks)

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