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Bio 2 > Chp 20 Class recording > Flashcards

Chp 20 Class recording Flashcards

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Biology 101 flashcards
1
Q

hydrostatic vs osmotic pressur

A

hydrostatic- pressure of fluid within blood vessels or tissue
osmotic- pulling pressure

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2
Q

osmotic pressure is ____ inside the blood vessels during dehydration

A

increased

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3
Q

vasomotor (blood vessel movement) center is?

A

taking over your heart rate and blood pressure

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4
Q

the ability to constrict or dilate is known as

A

vasotone

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5
Q

where is the vasomotor center located

A

the medulla oblongata

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6
Q

what can take over your heart rate and blood pressure

A

vasomotor center

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7
Q

what is the medical word for fainting

A

snchopy

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8
Q

what is the lymphatic system intertwined with

A

the immune system

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9
Q

lymph pathway

A 
lymph capillaries to lymph vessels to
lymph nodes to
lymph trunk to 
lymph ducts to
subclavian vein to 
Right atrium
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10
Q

if we are coming back to the heart with venous blood we know that venous mixes with

A

lymph, but we hope that by the time it gets to the heart the venous blood is clean

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11
Q

what are like the car washes

A

lymph nodes

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12
Q

lymph flow is different how

A

right upper one-third of the body drains from the right lymphatic duct and everything else (left side of head, arm and both legs) all drains from the thoracic duct on the left side

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13
Q

where do the thoracic duct and lymphatic duct eventually combine

A

into the subclavian vein which leads to the inferior vena cava,

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14
Q

what is the attachment site for the lymphatic system to venous system

A

the subclavian vein

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15
Q

what beings right around L-2 that is a swollen lymph vessel known as

A

cisterna chyli

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16
Q

why is cisterna chyli swollen

A

because it stores fat,

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17
Q

where does cappilary fat get stored in our lymphatic system

A

cisterna chyli

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18
Q

what are lymphnodes lined with

A

lymphocytes

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19
Q

what are b cells and t cells

A

lymphocytes

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20
Q

what lymphocytes come from the thymus

A

t cells

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21
Q

what lymphocytes come from bone marrow and go directly into the blood stream

A

b cells

22
Q

why are our secondary lymphatic organs there

A

to do the same thing as lymphocytes wpuld do in a lymph node but in bigger organs

23
Q

where would we have a lot of lymph

A

open orphases… ability to get something from the external environment. like tonsils, lymph nodes

24
Q

where are lymphnodes more concentrated

A

supraclavicular region

25
Q

MALT-peyers patches

A

Mucosa associated lymphatic tissue

26
Q

what lines the intestinal walls

A

MALT or peryer’s patches

27
Q

what lines our

GI tract, respiratory tract, urinary tract, reproductive tract

A

Mucosa associated lymphatic tissue

28
Q

what is lymphatic tissue composed of, except for the thymus

A

reticular fibers

29
Q

what is the thymus composed of

A

adipose fibers

30
Q

where does the thymus gland sit

A

on the superior portion of our aorta (ascending aorta)

31
Q

what is the activation center for all of our tcells, until an actual fight

A

thymus

32
Q

what lymphatic organ is huge at childhood and gets smaller and smaller

A

thymus

33
Q

what produce hormones in the thymus gland

A

thymocytes

34
Q

what hormone do thymocytes produce

A

thymocin

35
Q

what does thymocin do

A

activate the tcells

36
Q

what is the outer portion of the thymus made of

A

immature t cells

37
Q

what is the medulla of the thymus made of

A

mature t cells

38
Q

what does a lymphnode look like

A

a kidney, because they both filter

39
Q

what are the two vessels in the lymphnode

A

sends lymph into the lymphnode from the mesh capillaries on our way to the trunk

40
Q

what are the compartments of the lymphnode lined with

A

lymphocytes (macrophages)

41
Q

what is the function of a lymphnode

A

to filter lymph

42
Q

what are the internal vessels called that get lymph in

A

two afferent lymphatic vessels

43
Q

what are the vessels called that enter the lymph node

A

two afferent lymphatic vessels

44
Q

where does the lymph exit the lymphnode

A

the singular efferent vessel

45
Q

do you enter or exit with more into a lymphnode and why

A

enter with more because of the two afferent vessels, because we have filtered it out and only exiting with clean fluid

46
Q

how can cancer metastasis

A

through lymphnodes

47
Q

what lymphatic organ is made up of reticular tissue but has a fibrous capsule on the outside (connective tissue)

A

spleen

48
Q

what quadrant is the spleen in

A

left upper quadrant

49
Q

what is the spleen attached to

A

your stomach

50
Q

what are the two major portions of a spleen

A

red pulp

white pulp

51
Q

where are all our broken down red blood cells, immature reticulocyte, and hemoglobin

A

red pulp of your spleen

Bio 2 (20 decks)

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