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Bio 2 > chp 19 class recording (beginning of chp 20) > Flashcards

chp 19 class recording (beginning of chp 20) Flashcards

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Biology 101 flashcards
1
Q

arteries turn into

A

arterials
atrial capillaries
simple squamous epithelium

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2
Q

biggest artery we have

A

aorta

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3
Q

only place where you can have an exchange in blood

A

capillary level

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4
Q

venous capillaries turn into

A

vanules
veins
SVC/IVC

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5
Q

the circulatory system on the venous side relies on what

A

skeletal muscle

and

lying down, your thoracic cage or intercostal muscle. also kind of creates a vacum within the thoracic cavity

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6
Q

layers of vessels are called

A

tunics

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7
Q

closer we are to the heart what are the sizes of the tunics

A

larger

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8
Q

what type of blood does the capillary bed consist of

A

deoxygenated and oxygenated

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9
Q

main transport of deoxygenated blood to oxygenated blood in the capillary bed is called

A

metarteriole

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10
Q

if exchange is happen ing all the time what type of tissue do you expect to see

A

simple squamous epithelium

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11
Q

when the kidneys are exchanging fluids and electrolytes what tissue is there

A

simple squamous epithelium

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12
Q

what are the three types of cappillaries

A

continuous fenestrated and sinusoidal

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13
Q

capillaries are made up of

A

endothelial cells for exchange and basal lamina a connective tissue for protection in some areas

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14
Q

where does sinusoidal capillary line

A

all the open cavities where we need blood flow going to

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15
Q

capillary that lines sinus cavities within organs

A

sinusoidal capillary

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16
Q

which capillary is mesh like

A

continuous

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17
Q

where things get exchanged or dropped of in vascular anastomoses

A

arteriovenous and anastomoses

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18
Q

sturdy walls means… while the flat looking means

A

artery

viens

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19
Q

means a whole

A

lumen

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20
Q

a majority of our blood is in the because

A

veins and veinulues… it is slow to get back to the heart

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21
Q

the systemic arteries only hold about how much blood and why

A

15% because its constantly moving

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22
Q

what is the spleen? what system is the spleen part of

A

lymphatic

it stores broken down reticulocytes and lined with tcells and bcells. Its kinda a recycling center for red blood cells

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23
Q

what is cardiac output

A

heart rate x stroke volume

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24
Q

at rest where is a majority of your blood flow going

A

digestive system

1

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25
Q

during exercise where is a majority of your blood going? and what is on the back burner?

A

your skeletal muscle.

your skin and digestive system.

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26
Q

at rest all our cardiac output is going to

A

the digestive system

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27
Q

volume and pressure in the circulatory system have what kind of relationship

A

directly proportional

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28
Q

when pressure goes up what happens to volume

A

volume goes up

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29
Q

what causes viscous blood

A

polycythemia vera- way too many blood cells

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30
Q

what causes thicker blood

A

decreased plasma or increased formed elements

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31
Q

what can impact flow of blood

A

resistance

changing the size of the vessel

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32
Q

the longer the vessel the more what

A

resistance

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33
Q

the smaller the vessel the higher the

A

pressure

exception aorta

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34
Q

volume goes up pressure goes

A

up

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35
Q

when resistance goes up pressure goes

A

down

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36
Q

when pressure goes up resistence goes

A

down

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37
Q

arterials have the ability to

A

vasoconstriction or vasodialate

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38
Q

bigger hose/wider vessel (diameter) the pressure is going to and the volume is and resistance

A

decrease because there is more room

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39
Q

the change in pressure divided by resistance

A

blood flow

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40
Q

how to find blood flow

A

f= delta P/ R

delta means change

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41
Q

blood flow and resistance are

A

inversely proportional

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42
Q

if flow increases then resistance

A

decreases

43
Q

cp= MAP/?

A

cardiac output = mean arterial output/resistance

44
Q

flow =

A

volume

45
Q

where would you find the highest blood pressure and lowest

A

highest aorta

lowest coming back to the right atrium

46
Q

where is the back pressure going to when checking for blood pressure with a sphygmomanometer

A

left ventricle

47
Q

what are you assesing when checking for blood pressure

A

systole/diastole

48
Q

measure the pressure of a volume in a space

A

blood pressure

systole/diastole

49
Q

where is bp 0.0mm hg

A

Right atrium

50
Q

pressure of the blood on the vessel wall is known as

A

blood pressure

51
Q

average blood pressure

A

120/80

52
Q

120/80 is considered what

A

prehypertension

53
Q

139/79 you have

A

hypertension

54
Q

hypertension means

A

increased blood pressure

55
Q

thickness of blood is also known as

A

viscocity

56
Q

increased vessel width does what to resistance

A

decreased resistence

57
Q

increased vessel length means what to resistance

A

increased

58
Q

capillary blood pressure is what relatively… high or low?

A

relatively low

59
Q

if the capillary blood pressure was high we would

A

bust them and not as effectively exchange

60
Q

if blood volume decreases blood pressure

A

decreases

61
Q

CO=

A

HR* SV

62
Q

Blood flow=

A

change in pressure/resistence

63
Q

volume and pressure are

A

directly proportional

V^P^ VvPv

64
Q

CO is

A

cardiac output (volume)

65
Q

SV is

A

stroke volume

66
Q

resistance and blood flow are

A

indirectly porportional

67
Q

is there a direct relationship between resistance and pressure

A

no

68
Q

is flow the same as pressure

A

no

69
Q

the longer the vessel the what resistance

A

higher

70
Q

the longer the vessel the what resistance

A

higher

71
Q

has the least resistance and highest pressure

A

the aorta

72
Q

Blood pressure=

A

Cardiac output x peripheral resistance

73
Q

what’s the difference between blood flow and blood pressure

A

change in pressure is what we are looking at in blood flow

74
Q

factors that effect stroke volume

A

preload
after load
contractility

75
Q

factors that effect stroke volume

A

preload
after load
contractility

76
Q

what is the stretching right before your heart contracts called

A

preload

77
Q

back pressure in the atrials chambers

A

after load

78
Q

how well each one of our cardiac fibers does contract is called

A

contractility

79
Q

the constant blood pressure within our system is called

A

hydrostatic pressure

80
Q

hydrostatic pressure of the interstitial fluid means…

A

surrounding tissue fluid

81
Q

what causes your surrounding fluid to swell up

A

salt

82
Q

pulling pressure

A

osmotic pressure

83
Q

if you are dehydrated what will happen to your capillaries

A

increased osmotic pressure to pull any water into me

84
Q

osmotic pressure increases in your capillaries when

A

your body is dehydrated

85
Q

when would you have an increased pulling in the tissue versus the blood?

A

when you are hydrated

86
Q

what are there a bunch of at the point in which the aorta arches

A

baroreceptors- allowing us to regulate blood flow

87
Q

more influential than your vasomotor center

A

cortex and hypothalamus from a stressful emotional situation

88
Q

when it is colder what happens to our blood pressure

A

it goes up because of vasoconstriction

89
Q

adh (antidiuretic hormone) is inhibited by

A

alcohol

90
Q

what does ADH do to vasoconstriction

A

stimulate

91
Q

the aorta is prone to blockage, and any where below the blockage is affected. Called…

A

abdominal aortic aneurysm

92
Q

our drainage system

A

the lymphatic system

93
Q

where do we grab the sewage in the lymphatic system

A

at the lymph capillaries

94
Q

where does the blood end up clean at

A

the heart

right atrium

95
Q

which system in the body only goes one way

A

lymph

96
Q

lymphademia means

A

garbage in there

97
Q

structures apart of the lympahtic system

A

spleen
lymphatic tissue
liver
red bone marrow

98
Q

lymphatic capillaries turn into

A

lymphatic vessels by skeletal movement, then turn into lymph nodes, turn into trunks, then lymphatic ducts (on right and left)

99
Q

what are lymph nodes lined with

A

white blood cells

100
Q

how much lymph do we make every day

A

3 liters

101
Q

starting point for lymph

A

capillary level where the arterial and venous system come together then it joins a whole other system

102
Q

int the lymphatic system when we join the heart we join the

A

subclavian vein

103
Q

cancer spreads how

A

the lymph going back to the heart or lungs dropping of that cancer

104
Q

your right lymphatic duct drains

A

only from the upper right side of the body…. everything else goes to the thoracic duct on the left side

Bio 2 (20 decks)

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