Immunology - Liam

Question 1

Only antibody to cross placenta

Answer 1

IgG

Question 2

Type 1 mechanism

Answer 2

Antigen reacts wqith IgE bound to mast cells

Question 3

Type 2 mechanism

Answer 3

IgG or IgM binds to antigen on cell surface

Question 4

Type 3 mechanism

Answer 4

Free antigen and antibody (IgG, IgA) combine

Question 5

Type 4 mechanism

Answer 5

T cell mediated

Question 6

First antibody in response to infection

Answer 6

IgM

Question 7

Most common Ig in body

Answer 7

IgA, but alot found on mucosal surfaces so blood levels lower than IgG

Question 8

IgG function

Answer 8

Enhance phagocytosis of bacteria and viruses

Question 9

Anaphylaxis treatment

Answer 9

IM adrenaline

IM hydrocortisone

IV chlorphenamine

Question 10

What IL induces fever

Answer 10

IL1

Question 11

What activates macrophages

Answer 11

Interferon Y

Question 12

What is compliment system activated by

Answer 12

Antigen-antibody complexes (IgM/IgG)

or by polysaccharides (starts at C3)

Question 13

Ig in breast milk

Answer 13

IgA

Question 14

What T cell mediates antibody immunity

Answer 14

Th2 cells

Question 15

Idiopathic thrombocytopenic purpura is an example of

Answer 15

Type 2

Question 16

SLE is example of

Answer 16

Type 3

Question 17

Gene associated with Sjorens syndrome

Answer 17

HLA DR3

Question 18

RA example of

Answer 18

Type 3

Question 19

What mediates hyperacute organ rejection

Answer 19

B cells

Question 20

Gene associated with RA

Answer 20

GLA DRB1