Micro HYPERSENSITIVUTY Flashcards

1
Q

Immediate or anaphylactic

A

Type 1

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2
Q

Ig-E mediated

A

Type 1

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3
Q

Occur within Minute after re exposure

A

Type 1
Anaphylactic or immediate type

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4
Q

Mos immunogenicity subs in type 1

A

Protein

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5
Q

High affinity receptors

A

FceR1

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6
Q

FCeR1 Component?

A

Basophil and mast cells

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7
Q

Low affinity receptors ; surface of B cells

A

FCeR2

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8
Q

What type of hypersensitivity, that T cells control the response to inhalant antigens

A

Type 1

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9
Q

IgE production depends on what cell

A

Th2

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10
Q

Stimulate class switching

A

Th2

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11
Q

Response on first exposure stimulating

A

Th1

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12
Q

Other Ig that stimulated by TH2

A

IgG

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13
Q

Form TH2

A

IL-4

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14
Q

Has anti inflammatory response

A

IL-13

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15
Q

Activate eosinophils

A

IL-5

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16
Q

Enchance IgE Prod and stimulate mucus

A

IL-13

17
Q

What triggers the release of CHEMOKINES

A

Th2
Mast cells
Epithelial cells

18
Q

Bronchial asthma
Hay fever
Chronic rhinitis
Venoms
Aspergillus - fungi
Drugs and food

A

Type 1

19
Q

Urticaria

A

Type 1

20
Q

Vasodilation, vascular leakage and smooth muscle spasm or glandular secretion occur, what phase

A

Immediate phase

21
Q

Vasodilation, vascular leakage and smooth muscle spasm or glandular secretion occur, what phase

A

Immediate phase

22
Q

Subside in few hours (5-30mins)

A

Immediate rxn

23
Q

No additional exposure to antigen

A

Late phase

24
Q

Infiltration of tissues with eosinophils, neutrophil, basophil and cd4

A

Late phase rxn

25
Q

There is mucosal damage

A

Late phase rxn

26
Q

Vasoactive amines

A

Histamine