Antibodies Flashcards

1
Q

where do T cells reside

A

paracortex

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2
Q

BTK is involved in

A

B cell maturation

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3
Q

what do high levels of TGIF-B do

A

stimulate MALT to secrete IgA

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4
Q

what does the brambell receptor do (FcRB)

A

Allows IgG to be transported across the placenta

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5
Q

why dont you test a baby’s IgG in the first si=x month

A

it will only contain the mothers IgG

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6
Q

what is the first isotype produced by the immune system

A

IgM

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7
Q

what is used to determine whether an infection is acute or chronic

A

IgM

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8
Q

IgM forms a ______

A

pentameter

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9
Q

what antibodies are bound by J chain

A

IgM and IgA

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10
Q

secreted IgA forms _____

A

dimer

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11
Q

what is the function of pIgR

A

bind to J chain and transcytose Ig through the epethelial cell to the apical side

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12
Q

when antibodies bind to NA or HA portions until particle is opsonized

A

neutralization

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13
Q

what antibody causes degranulation

A

IgE

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14
Q

what is complement-dependent cell cytotoxicity and what antibodies are involved

A

classical complement pathway; IgM (best) and IgG

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15
Q

antibody dependent cell cytotoxicity involes

A

NK cells and binding to Fc(gamma)R

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16
Q

the spleen plays and important role in

A
  1. site of natural antibody production
  2. added source of IgG serum
  3. site of blood filtering phagocytes
17
Q

what provides specificity for NK cells

A

IgG

18
Q

what antibodies are involved in neutralization

A

IgA, IgM, IgG

19
Q

what antibody is involved in complement activation

A

IgM

20
Q

what antibody is involved in opsonization

A

IgG

21
Q

mast cells are activated by

A

IgE