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oralpathology > chapter three > Flashcards

chapter three Flashcards

1
Q

what lymphocytes are in the immune response

A

t cells and b cells and natural killer cells

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2
Q

what are the two types of b cells

A

b memory cells and plasma cells

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3
Q

what cell produces antibodies

A

plasma cells

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4
Q

iga

A

aids in defense against proliferation of microorganisms in body fluids

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5
Q

igd

A

activation of b cell

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6
Q

ige

A

involved in hypersensitivity or allergic reactions

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7
Q

igg

A

major antibody in blood serum passes through placenta barrier, serves as first passive immunity for the newborn

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8
Q

igm

A

involved in early immune responses

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9
Q

antibody titer

A

level of antibody in blood

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10
Q

what are the four types of t cells

A

t helper, t suppressor, t cytotoxic, t memory

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11
Q

t helper cell

A

increases function of b cells has cd4 cell receptor

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12
Q

t suppressor cell

A

carries cd8 cell receptor shuts down cell-mediated immunity near end of immune reaction

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13
Q

t cytotoxic cell

A

carries cd8 and attacks virally infected and neoplastic cells

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14
Q

nk cell

A

attacks and destroys foreign cells as soon as they appear

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15
Q

what is the function of marcophages

A

antigen-presenting cell and messenger between inflammatory and immune response

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16
Q

function of dendritic cells

A

antigen-presenting cell and it acts as a link between innate immunity and acquired immunity

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17
Q

what is a type of dendritic cell

A

langerhans cell

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18
Q

function of cytokines

A

communication with other immune system cells

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19
Q

passive immunity

A

use of antibodies produced by another person to protect an individual

20
Q

active immunity

A

uses antibodies produced by one’s own body to protect against infectious disease

21
Q

what category is immunization/vaccine

A

acquired active immunity

22
Q

what is the major lymphocyte involved in humoral immunity

A

b cell

23
Q

what is the major lymphocyte involved in cell mediated immunity

A

t cells sometimes assisted with marcophages

24
Q

type one hypersensitivity

A

reaction occurs immediately, and involves ige

24
Q

type one hypersensitivity

A

reaction occurs immediately, and involves ige

25
Q

type two hypersensitivity

A

aka cytotoxic hypersensitivity, involved igg and igm and results in the destruction of the tissue that has the antigen on it

26
Q

type three hypersensitivity

A

aka immune complex hypersensitivity, immune complexes are forms and are dispersed to different types of tissue and neutrophils are attracted to that

27
Q

type four hypersensitivity

A

aka cell mediated, reaction takes 2 - 3 days to develop

28
Q

what is the most common reason for developing aphthous ulcers

A

trama

29
Q

what cell is responsible for the ulcer

A

t cytotoxic cell

30
Q

what is the most common aphthous ulcer

A

minor

31
Q

where do aphthous ulcers appear

A

nonkeratinized oral mucosa that is not attached

32
Q

what is an example of a type four hypersensitivity

A

allergic contact mucositis and dermatitis

33
Q

what is an example of a type three hypersensitivity

A

fixed drug eruption

34
Q

what age does erythema multiforme common occur

A

younger then 30

35
Q

what is em major caused by

A

drug exposure

36
Q

what is the most common location of lichen planus

A

buccal mucosa

37
Q

what is the most common form lichen planus

A

reticular lichen planus

38
Q

what are the three features in reactive arthritis or retier syndrome

A

arthritis, urethritis and conjunctivitis

39
Q

what is the antigen present in reactive arthritis

A

hla b27

40
Q

what other disorder is associated with sjogren syndrome

A

raynaud phenomenon

41
Q

who does systemic lupus erythematosus affect more

A

women eight times more frequent than men

42
Q

what is pemphigus vulgaris

A

breakdown of cellular adhesion between epithelial cells

43
Q

what cells are present at separation

A

tzanck cell

44
Q

primary immunodeficiencies

A

genetic origin

45
Q

secondary immunodeficiencies

A

underlying disorder

oralpathology (6 decks)

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