class 1

Question 1

Forssman antigen

Answer 1

lipid carbohydrate complex - in many animals, birds, plants, bacteria (but not rabbits)

Question 2

Weil Felix reaction

Answer 2

typhus fever

Question 3

paul bunnell test

Answer 3

infectious mononucleosis

Question 4

cold agglutinin test

Answer 4

primary atypical pneumonia

Question 5

TI antigens

Answer 5

microbial sugar, lipids, nucleic acids

Question 6

staphylococcus enterotoxin

Answer 6

super antigen

Question 7

super antigens

Answer 7

proteins
stimulate il-2 production by t cells
massive t cell proliferation occurs

Question 8

staph aureus enterotoxin

Answer 8

food poisoning
toxic shock syndrome
multiple sclerosis

Question 9

group a strept exotoxin

Answer 9

shock, psoriasis, rheumatic heart disease

Question 10

super antigens

Answer 10

staph aureus enterotoxin
group a streptococcus exotoxin
mycobacterium tb super antigen
hiv nef
rabies nucleocapsid protein
epv super antigen

Question 11

super antigen

Answer 11

binds outside antibody mch ii binding groove

Question 12

PAMP and PRR

Answer 12

pamp - pathogen associated molecular pattern

ppr - pattern recognition receptors

Question 13

ppr

Answer 13

toll like receptors

scavenger receptors

mannose receptors (mannose/fucose containing carb chains are present in microbial glycolipid/protein)