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EX-IMMUNOSERO > Antibody classes > Flashcards

Antibody classes Flashcards

1
Q

predominant antibody in secondary/anamnestic Immune response

A. IgA
B. IgG
C. IgM
D. IgD
E.Ig E

A

IgG

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2
Q

Warm antibodies are

serum half life of 5 days

A. IgA
B. IgG
C. IgM
D. IgD
E.Ig E

A

IgG

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3
Q

numbered according to their abundance in the serum In IgG

A

IgG1 > IgG2>IgG3> IgG4

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4
Q

most efficient in crossing the placenta
A.IgG1
B. IgG2
C.IgG3
D. IgG4

A

IgG1

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5
Q

cant cross the placenta
A.IgG1
B. IgG2
C.IgG3
D. IgG4

A

IgG2

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6
Q

most efficient incomplement fixation and has longest hinge region

A.IgG1
B. IgG2
C.IgG3
D. IgG4

A

IgG3

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7
Q

cant fix complement

A.IgG1
B. IgG2
C.IgG3
D. IgG4

A

IgG4

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8
Q

predominant in body secretions in tears, saliva, Colostrum, milk and intestinal fluid

A. IgA
B. Ig G
C.Igm

A

IGA

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9
Q

subclass of IgA that has serum;monomer

A. IgA1
B. IgA2

A

IgA1

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10
Q

subclass of IgA that has secretions; dimer and held by J Chain

A. IgA1
B. IgA2

A

IGA2

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11
Q

Protects IgA from digestion by proteolytic enzymes and
facilitate transport of lgA to mucosal surfaces.

A

Secretory component

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12
Q

It is known as primary response antibody

A. Igm
B.IgG

A

Igm

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13
Q

the cold reacting Antibody

A

IgM

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14
Q

*IgM**

How many Ag binding sites are available for effector functions due to steric hindrances

A.1-6
B.5-6
C.4-6

A

. B. 5-6

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15
Q

First Ab that is formed by the fetus

A

IgM

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16
Q

most efficient Ab that activates complements

A

Igm

17
Q

Immunoregulation AB

A

IgD

18
Q

It is found on the surface of mature and naive B cells in association with Igm

A.IgM
B. IgD
C. IgE

A

IgD

19
Q

The least abundant immunoglobulin in the serum
A.IGE
B. IgA
C.IgG
D.IgD

A

IgE

20
Q

Plays an important role in Ag recognition by B cells

A.IGE
B. IgA
C.IgG
D.IgD

A

IgD

21
Q

Extremely susceptible to proteolysis (due to unusual long hinge

A.IGE
B. IgA
C.IgG
D.IgD

A

IgD

22
Q

The most Heat labile antibody, originally called Reagenic
ANTIBODY

A. IgE
B.IgD
C.IgD

A

IgE

23
Q

What antibody

Mediates some types of hypersensitivity (allergic) reactions, allergies, and anaphylaxisand is generally responsible for an individual’s immunity to invading parasites

A

IgE

EX-IMMUNOSERO (18 decks)

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