ch. 22 Flashcards

1
Q

vessel away from heart is a

A

arteries

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2
Q

smallest branch of arteries

A

arterioles

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3
Q

arteries typically carry

A

oxygen rich blood

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4
Q

carry blood toward the heart

A

veins

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5
Q

smallest branches of veins

A

venules

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6
Q

vessels that intimate contact with cells and tissues

A

capillary

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7
Q

order of blood

A

heart
arteries
arterioles
capillaries
venules
veins
heart

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8
Q

how many layers of blood vessels

A

3

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9
Q

innermost layer of blood vessel

A

inima

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10
Q

middle layer of blood vessel

A

media

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11
Q

outermost layer of blood vessel

A

adventitia tunica externa

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12
Q

part of blood vessel vasoconstriction/dilation

A

media turnica

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13
Q

part of blood vessel that is thick connective tissue

A

tunica externa

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14
Q

artery three different types

A

elastic
muscular
arterioles

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15
Q

elastic arteries are the

A

largest in the body

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16
Q

elastic arteries are good at

A

pressure reservorirs

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17
Q

examples of elastic arteries

A

pulmonary trunk
aorta
common carotid

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18
Q

smaller lumen arteries

A

musuclar arteries

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19
Q

vasocontriction/dilation arteries

A

musuclar arteries

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20
Q

musuclar arteries examples

A

external carotid
brachial
femoral

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21
Q

smallest arteries

A

arterioles

22
Q

arterial anastomoses

A

2 diff arteries to form 1
allow alternate pathways for blood to flow

23
Q

capillaries allow exchange between

A

blood and interstitial fluid

24
Q

3 types of capillaries

A

continuous
fenestrated
sinusoidal

25
Q

most common types of capillaries

A

continuous

26
Q

continuous capillaries found in

A

skin and muscles

27
Q

continuous capillaries permability

A

least

28
Q

fenestrated capillaries found in

A

small intestine
endocrine glands
kidneys
choroid plexuses

29
Q

fenestrated capillaries are permeable

A

to liquids and small solutes

30
Q

leaky capillaries

A

sinusoidal cap

31
Q

sinusoidal found in

A

liver
bone marrow
spleeen

32
Q

single arteriole gives rise to

A

dozens of capillaries

33
Q

constrict/dilate blood capillary of

A

arterioles

34
Q

sphincters to help flow blood

A

precapillary

35
Q

capillaries vs amount of veins and arteries

A

exceeds vastly

36
Q

venules collect blood from

A

capillaries

37
Q

venules carry blood to

A

mediuym sized veins

38
Q

large vein examples

A

superior vena cava
inferior vena cava

39
Q

venous sinuses are specilized

A

flattened veins with thin walls that are reinforced by surrounding tissues

40
Q

at any given time, 2/3 ofs blood volumne is in

A

venules and veins

41
Q

venous valves help prevent

A

backflow of blood

42
Q

skeletal muscle pump helpos lower legs move blood

A

through veins and back toward the heart

43
Q

pulmonary trunk splits to

A

l and r pulmonary arteries

44
Q

aorta and superior branches order

A

ascending aorta
-aortic arch
–brachicephalic trunk
—right common carotid
—vertebral
–left common carotid

45
Q

major vessel

A

co0mmon carotid

46
Q

common carotid splits to

A

external (carotid sinus) and internal

47
Q

ring shaped anastomosis surrounding the pituitary

A

cerebral arterial circle

48
Q

blood exits brain through

A

VEINS

49
Q

cerebral veins drain into

A

dural sinuses

50
Q

liver gets first dibs on

A

blood

50
Q

liver gets first dibs on

A

blood