type 2 hypersen

Question 1

main points

Answer 1

tissue specific
antibody mediated
mainly cytotoxic

Question 2

first step

Answer 2

escaped self reactive b cells produce igm or cd4 helps it to porudce igg

Question 3

extrinisc antifen

Answer 3

infection/ medication like penicillin

Question 4

intrinsic antigen

Answer 4

antigen host makes

Question 5

process of penicillin ove reeaction

Answer 5

binds to RBC
egg/igm may bind to molecule creating an antigen antibody complex

Question 6

mechanism 1

Answer 6

activation of complicment system
I’m/g activates compliemnt proteins which kill the rbc
c3,4a,5a attract neutrophils which degranulate and release 02 radicals which are cytotoxic causing tissue damage

Question 7

example of i=condition

Answer 7

haemolyytic anaemia

Question 8

mechanism 2

Answer 8

formation of MAC molecule by different compliment protwins

Question 9

function of MAC

Answer 9

attacks cell by inserting self into membrane, cell swells and dies

Question 10

test for haemolytic anemia

Answer 10

coombs test