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MTAP 2 Serology > 3.2 Types of Agglutination > Flashcards

3.2 Types of Agglutination Flashcards

1
Q

Type of agglutination:

Antigen is found naturally on the cell and contains no carrier

A

Direct agglutination

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2
Q

Type of agglutination:

ABO typing, Heme Agglutination

A

Direct agglutination

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3
Q

Type of agglutination:

Antigen is attached to carrier particles

A

Passive/Indirect Agglutination

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4
Q

Type of agglutination:

Widal test

A

Direct agglutination

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5
Q

Type of agglutination:

Example of carrier particles?

A

Latex
Charcoal

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6
Q

Type of agglutination:

Carrier particle includes RBC and Bentonite

T or F

A

T

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7
Q

Type of agglutination:

In PAssive, i RBC is used as Carrier what is the positive result?

A

Heme Agglutination

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8
Q

Type of agglutination:

Antibody is attached to the carrier particle

A

Reverse passive agglutination

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9
Q

Type of agglutination:

In Reverse passive agglutination, what is being detected?

A

Ag

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10
Q

Type of agglutination:

In reverse passive agglutination, what is the application for this?

A

CRP

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11
Q

Type of agglutination:

CRP is also known as?

A

Slide Latex test

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12
Q

Type of agglutination:

A 2 step process where homologous Ag inhibits agglutination of Ag coated particle

A

Agglutination inhibition

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13
Q

What is the specimen used for Agglutination inhibition?

A

Ag

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14
Q

Type of agglutination:

In Agglutination inhibition, the 1st step contains Insoluble Ag in px sample + Known Ab reagent

T or F

A

F

Soluble

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15
Q

Type of agglutination:

In Agglutination inhibition, the 2nd step is particulate Ag is added

T or F

A

T

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16
Q

Type of agglutination:

In Agglutination inhibition, What is the positive result?

A

No agglutination

17
Q

Type of agglutination:

Antiglobulin techniques is also known as?

A

Coombs Test

18
Q

Type of agglutination:

In Antiglobulin techniques, what type of Antibody is being detected?

A

Unexpected IgG

19
Q

Type of agglutination:

In Antiglobulin techniques, Combs is added to bridge the gap between the cells

T or F

A

T

20
Q

Composition of Coomb’s reagent?

A

Anti IgG; anti C3d

21
Q

Type of agglutination:

In Antiglobulin techniques, What is the color of Coomb’s reagent?

A

Green

22
Q

Type of agglutination:

In Antiglobulin techniques, Detects Sensitization

T or F

A

T

23
Q

Type of agglutination:

In Antiglobulin techniques, to demonstrates incomplete antibodies

T or F

A

T

24
Q

Type of agglutination:

In Antiglobulin techniques, a type of coombs involves in vivo sensitization

A

Direct Coombs

25
Q

Type of agglutination:

In Antiglobulin techniques, a type of coombs involves in vitro sensitization

A

Indirect Coombs

26
Q

Type of agglutination:

In Antiglobulin techniques, a type of coombs involves incubation to 37C before adding Coomb’s reagent

A

Indirect Coombs

27
Q

Type of agglutination:

In Antiglobulin techniques, what is the sample for Indirect Coomb’s

A

Serum (Antibodies)

28
Q

Type of agglutination:

In Antiglobulin techniques, What is the sample for Direct Coombs?

A

RBC

29
Q

Type of agglutination:

The carrier particle used in this type of agglutination is bacteria

A

Coagglutination

30
Q

Type of agglutination:

In Coagglutination, what bacteria is frequently used?

A

S. aureus

31
Q

Type of agglutination:

In Coagglutination, what strain in S. aureus contributes in coagglutination

A

Cowan strain

32
Q

Type of agglutination:

In Coagglutination, Staph aureus has a surface protein called _______ which naturally adsorbs the Fc portion of Ab

A

PRotein A

33
Q

Type of agglutination:

This exhibits greater stability than latex particles and are more refractory to change in ionic strength

A

Coagglutination

MTAP 2 Serology (29 decks)

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