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Microbiology & Immunology > Hypersensitivity summary table > Flashcards

Hypersensitivity summary table Flashcards

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0
Q

What is hypersensitivity ?

A

Excessive undesirable reactions produced by the normal immune system.

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1
Q

How many classes are there for hypersensitivity reactions?

A

4

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2
Q

What is another name for type 1 reactions?

A

Allergic reactions.

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3
Q

What are the two types of reactions for type 2 hypersensitivity reactions?

A

Cytotoxic and no cytotoxic.

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4
Q

What is another name for type 3 reactions?

A

Immune complex reactions.

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5
Q

What is another name for type 4 reactions?

A

Cell mediated/ delayed- type hypersensitivity.

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6
Q

What three classes of hypersensitivity reactions involve infectious diseases?

A

Types 2,3 and 4.

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7
Q

Examples of Type 1 hypersensitivity.

A

Hay fever, anaphylaxis to drugs, SOME food allergies, SOME asthma, allergy to animals and animal products.

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8
Q

Examples do type 2 (non cytotoxic) are:

A

Myasthenia Gravis, Grave’s Disease.

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9
Q

Examples of type 2 (cytotoxic) hypersensitivity are:

A

Good-pasture’s Disease, rheumatic fever, hemolytic disease of newborns, Autoimmune or drug-induced hemolytic anemia.

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10
Q

Examples of type 3 hypersensitivity reactions are:

A

SLE, RA, glomerulonephritis, serum sickness (anti venoms).

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11
Q

If a bacterium is catalase +, what does it form?

A

Forms granulomas

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12
Q

Examples of type 4 hypersensitivity reactions are:

A

Tuberculin test, Poison Ivy, leprosy, Hashimoto’s thyroiditis, graft versus host disease.

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13
Q

Staph aureus is….?

A

Is a cocci, catalase +, coagulase +, gram +

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14
Q

What is beta and alpha-hemolysis?

A

Beta-hemolysis is complete hemolysis whereas alpha-hemolysis is partial hemolysis

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15
Q

In staph epidermidis and saprophyticus, is there any hemolysis?

A

no

16
Q

What contributes to fast onset of food-poisoning?

A

Staph aureus and bacillus cereus

17
Q

Type I hypersensitivity is immediate hypersensitivity mediated by?

A

IgE mediated and complement has no roles

18
Q

Gram + optochin resistant bacteria?

A

viridans

19
Q

Type II is mediated via and leads to?

A

Mediated via cytotoxicity and leads to rheumatic fever

20
Q

Type III is mediated via and leads to?

A

Mediated via immune complex and leads to glomerulonephritis

21
Q

Type IV is what kind of hypersensitivity and give some examples?

A

It is delayed hypersensitivity and examples include tuberculin test, leprosy and posion ivy

22
Q

Three bacterias that have IgA (found in breastmilk and other bodily fluids) are?

A

Nerisseria, hemophileus, strep pneumo

23
Q

What are the 5 types of immunoglobulins?

A

MADGE or GAMED: IgM, IgA, IgD, IgG, IgE

Microbiology & Immunology (13 decks)

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