Ig Flashcards by Arci de la Cruz | Brainscape

Q

Basophils and mast cells

A

E

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Q

Can’t cross placenta

A

G2

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Q

Feedback mechanism to switch off B cells

A

D

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Q

First to prod in infants

A

M

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Q

Anaphylaxis

A

E

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Q

Cannot fix complement

A

G4

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Q

Aka macroglobulin

A

M

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Q

Heat labile

A

E

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Q

2nd to appear on b cell surface

A

D

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Q

Best IgG for complement fixation

A

IgG3

M312

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Q

Best for complement fix

A

M

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Q

Unknown serum fxn

A

D

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Q

Least abundant

A

E

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Q

First to appear after primary antigenic stimulus

A

M

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Q

First to appear during infxn

A

M

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Q

IgA seen in serum

A

A1

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Q

B cell surface

A

M and D

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Q

Effective against microbes and aggt antigens

A

M

Q

Initiate immune response on b cell surface

A

D

Q

Predominant in human

A

IgG

Q

Mucosal immunity

A

A

Q

Allergic rxn

A

E

Q

Secretions

A

A

Q

Immunity to infant digestive tract

A

A

Q

Hypersensitivity

A

E

Q

Second most common

A

A

Q

Enhance phagocytosis

A

G

Q

Dimer

A

A2

Q

Intestine

A

G

Q

Reaginic ab

A

E

Q

Most primitive

A

M

Q

Pentamer

A

M

Q

Anti idiotypic Ab

Ab to Ab

A

D

Q

Protect fetus and newborn

A

G

Q

Release histamine and heparin

A

E

Q

IgA seen in secretion

A

A2

Q

Most efficient for neutralization

A

IgG1

Q

Neutralize toxins and virus

A

G

Q

Trigger classical complement path

A

M

Q

Found on unstimulated but immunocompetent B cells

A

D

Q

Fxn as immunoregulation

A

D

Q

Primary response antibody

A

M

Q

First to appear in b cell surface

A

M

Q

Formed in response to stimulus by gram neg

A

M