Basic immunopathology Flashcards

Y2C1 1 question wlii be asked (63 cards)

1
Q

what is the first line of body defense

A

Innate immunity

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2
Q

components of Innate immunity

what type of cells found in Innate immunity ?

A

Epithelial cells
phagocytic cells
NK cells
plasma proteins
dendritic cells
other innate lymphoid cells

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3
Q

epithelia

epithelial cells also produce_____molevules such as defensins and lymphocytes

A

antimicrobial molecules

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4
Q

phagocyte microbe and protein antigens present___fragments to__cells

A

peptide fragments
T cells

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5
Q

macrophages

effector cell in___&____ immunity

A

cellular & humoral

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6
Q

marophages

phagocyte microbes that oposnized by___or___

A

IgG or C3b

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7
Q

macrophages

__cells activate macrophage and enhance ability to kill ingested microbes

A

T cells

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8
Q

dendritic cells

____dendritic cells under epithelia, interstitia of all tissue

A

interdigitating

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9
Q

dendritic cells

most important___presenting cells for initiating____responses aganist protein antigens

A

antigen presenting
T cells

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10
Q

dandritic cells

follicular dendritic cell present in ?

A

spleen and lymph nodes

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11
Q

Innate lymphoid cells

Innate lymphoid cells are___resident lymphocytes

A

tissue-resident

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12
Q

Innate lymphoid cells

cannot respond to antigens bu instead are activated by____and other mediators produced at sites of tissue damage

A

cytokines

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13
Q

Innate lymphoid cells

are the sources of inflammatory cytokines during early phases of_______reactions

A

immune

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14
Q

ınnate lymphoid cells

____cells are one type of ILC that provide early protection aganist many viruses and intracellular bacteria

A

natural killer

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15
Q

natural killer cell

contain____granules

A

azurophilic granules

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16
Q

natural killer cell

not bear___cell receptor or cell surface__

A

t cell receptor or cell surface Ig

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17
Q

natural killer cell

has ability to kill without____

A

sensitization

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18
Q

natural killer cell

lyse___cells
___infected cells
secreate___

A

tumor cells
virally infected cell
secrete cytokines

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19
Q

plasma proteins

____system consist of plasma proteins that are activated by microbes

A

complement system

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20
Q

plasma proteins

contains
_____binding lectin
_____protein

A

mannose-binding
C-reactive protein

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21
Q

Innate immunity

2 pattern exists which are ?

A

pathogen associated molecuar patterns
damage-associated molecular patterns

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22
Q

PAMPs pathogen associated molecular patterns

molecular structures or molecules that are shared by most pathogenic____&____

A

virus & bacteria

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23
Q

cellular receptor that recognize molecules released by____and_____cells

A

injured and necrotic cells

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24
Q

___recognize molecules that released from injured or necrotic cells

this patterns called damage associated molecular patterns

A

leukocytes

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25
# Toll like receptors TLRs ___&___cells recognize components of microbes by cellular receptors
leucocytes & epithelial cells
26
# Toll like receptors TLRs also known as______receptors
recognition
27
# toll like receptors TLRs present in plasma_____&_____vesicles | initiate cellular response to microbes
membrane and endosomal vesicles
28
# NOD nucleotide binding oligomerization domain-like receptors intracellular sensors of______patterns | Nod not only receptors but inflammasome
pathogen associated molecular patterns
29
# İnnate immunity:receptors C-type lectin receptors expressed on plasma membrane of_____&____cells
macrophages & dendritic cells
30
# C-type lectin receptors(CLRs) can detect___glycans and____inflammatory reactions to fungi
fungal glycans & elicit
31
# RIG-like receptors(RLRs) located at____of most cell types
cytosol
32
# RIG-like receptors(RLRs) detect nucleic acids of____that replicate in____of infected cells
virus cytoplasm
33
# pattern recognition receptors are located in all cellular compartments where microbes may be present:
plasma membrane receptors endosomal receptors cytosolic receptors
34
# pattern recognition receptors plasma membrane receptors can detect____microbes
extracellular
35
# Innate immunity:after recognition TLR signal cause activation of_____factors | known as transcription factors
NF-kB | nuclear factor
36
# Innate immunity:after recognition NF-kB cause production of__and proteins that stimulateactivities of cells
cytokines microbicidal activities
37
# adaptive immunity cellular immunity protect aganist ______microbes and______
intracellular microbes and cancers
38
# adaptive immunity cellular immunity mediated by ?
T lymphocytes
39
# adaptive immunity humoral immunity protect aganist ?
extracellular microbes and their toxins
40
# adaptive immunity mediated by ?
B lymphocytes | and their secreated products antibodies (İmmunoglobin Ig)
41
# lymphocytes ____lymphocytes not encountered with ag | native immunologically unexperienced
mature
42
# mature lymphocyte after activated by ag ____cells eliminate microbes _____cells live in a state of awareness
effector memory
43
# T lymphocyte:helper T lymphocytes stimulate B lymphocytes to?
make antibodies activate other leukocytes
44
# T lymphocyte 3 type exist name them
helper T cytotoxic(killer) T regulatory T
45
# regulatory T lymphocytes limit___responses and prevent reactions aganist____antigens
immune responses self antigens
46
# cytotoxic T lymphocytes kills____cells
infected
47
# T lymphocyte generated from immature precursors in ?
thymus
48
# T lymphocyte Cell zone located at ?
lymph node and spleen
49
# T lymphocyte each T cell recognize ag by ____specific T cell receptor
ag-specific
50
# T cell receptor consist of_____or_____pp chain
51
# T cell receptor complex associated with group of proteins called ___complex | which initiate activating signals
CD3
52
# T cell receptor complex TCR all proteins of CD3 complex are____in all T cell | they do not contribute to specificity
identical
53
# TCR diversity generated by_________of genes encoding TCR chains
somatic rearrangement
54
# TCR diversity every somatic cell has TCR genes in____configuration
germline
55
# TCR diversity rearrengement occur only in__cells during development in thymus
T cells
56
# TCR receptor types aB TCR recognize____via_____complex(MHC)of___presenting cells
antigens major histocompatibility complex antigen-presenting cells
57
# TCR receptor types ____TCR recognize____,____small molecules w/o requirement of___proteins
MHC | major histocompatibility complex
58
# gamma&delta T cells found at____surfaces of GI respiratory,urogenital mucosa protection aganist___
epithelial surface protection aganist microbes
59
# T cells receptors CD4 & CD8 required to initiate signals that activate___cells expressed on___T cells
T cells alpha&beta T cells
60
# T cell receptor functions CD4>_helper secreates____
T helper cytokines
61
# B lymphocytes __ synthesis and secretion B-cells recognize antigens via____complex which includes Ig_ & Ig_ after antigen recognization B cell converts into___cell
Ig synthesis antigen receptor complex includes IgM &IgD B-cell converts into plasma cell | Ig is the mediator of humoral immunity
62
# B-cell receptor complex composed of membrane Ig__&__ CD__ is a receptor for a complement component
IgM&D CD21
63