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A&P II > lymphatic quiz > Flashcards

lymphatic quiz Flashcards

1
Q

3 functions of lymphatic system

A

remove excess interstitial fluid
transport dietary lipids
carry out immune response

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2
Q

order of lymphatic flow

A

capillaries
vessels
trunks
ducts
back into blood stream

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3
Q

what are the regions of a lymph node and what cells are in each

A

inner cortex - T cells
outer cortex - B cells
medulla - B cells

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4
Q

what are lacteals

A

specialized lymph nodes that transport/absorb fat in the GI

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5
Q

what trunk drains the lungs

A

bronchomediastinal

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6
Q

what is the cell called that can differentiate into any kind of cell and where is it produced

A

pluripotent

red bone marrow

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7
Q

what cells live inside a lymph node

A

macrophages
B & T cells

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8
Q

stages of inflammation and what is happening in each

A

vasodilation - arteries widen allowing increased blood flow, removes toxins, swelling, redness, heat

emigration - neutrophils accumulate to destroy microbes by phagocytosis, monocytes arrive

tissue repair - phagocytes carry out clean up, proliferation and remodeling begin

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9
Q

which antibody activates B cells

A

IgD

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10
Q

which antibody is breastmilk, mucus

A

IgA

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11
Q

which antibodies arrive first

A

IgM

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12
Q

what produces antibodies

A

B cells/ plasma cells

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13
Q

where are T cells born and where do they mature

A

born - red bone marrow
mature = thymus

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14
Q

what type of cells are antigen presenting cells

A

macrophages
B cell
dendritic

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15
Q

5 steps of phagocytosis

A

chemotaxis
adherence
ingestion
digestion
death

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16
Q

how do natural killer cells kill stuff

A

granulosin
perforins
granzymes

17
Q

functions of major histocompatibility complex

A

identifies each cell in the body where it is foreign or not

MHC 1 - inside cell plasma membranes

MCH II - outside of cell - built into antigen presenting cell

18
Q

what is structural about lymphatic capillaries

A

anchoring filaments, more permeable, larger than blood capillaries

19
Q

difference between right and left lymphatic ducts

A

right drains the right side of head and upper body

left drains the rest of the body

20
Q

cisterna chyli

A

where left thoracic duct originates

21
Q

what kind of capillaries exist in red bone marrow

A

highly vascularized sinusoidal

22
Q

what cells live inside lymph nodes

A

B&T

23
Q

how lymph flows through a node

A

afferent
subcapsular
trabecular
medullary
efferent
hilum

24
Q

what happens in red and white pulp in spleen

A

red = cells go to die, platelet storage

white = immune response carried out by B & T cells

25
Q

where is MALT found and what does it stand for

A

mucosa associated lymphatic tissue

GI tract, renal, urinary tract

26
Q

second line defence

A

antimicrobial
fever
inflammation

27
Q

function of MCH

A

place markers or flags on plasma membranes

28
Q

MHC I

A

built into plasma membranes of all cells except RBC

INSIDE CELLS

29
Q

MCH II

A

built into antigen presenting cells

OUTSIDE CELL

30
Q

what 3 things activate compliment

A

antibodies bind antigens
lipids & carbs on microbes
release lectins

31
Q

3 results of complement system activation

A

increased phagocytosis
histamine is released
formation of a membrane attack complex

32
Q

what cells express MCH II and what do not

A

macrophages, B cells DO

RBCS, T cells DO NOT

33
Q

T helper cells bind to MHC II to activate B cells

A

cytotoxic B cells bind MHC 1

34
Q

antibody mediated are what cells

A

B

35
Q

cell mediated are what cells

A

T cells

36
Q

macrophages present antigens where

A

plasma membrane to T cells

37
Q

dendritic cells present their antigens where

A

plasma membrane to T cells and B cells

38
Q

B cells present antigens where

A

plasma membrane to helper t cells

39
Q
A

A&P II (10 decks)

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