immunology

Question 1

What is the Innate defence mechanism

Answer 1

first line of defence

not improved by further exposure

Question 2

What is the adaptive defence mechanism

Answer 2

second line of defence

improved by further exposure

Question 3

What happens when the boys barriers are breached

Answer 3

attempt to contain and localise
-phagocytes
neutrophils monocytes/macrophage lineage

Question 4

What are the four types of chemicals

Answer 4

acute phase proteins
complement proteins
interferons
cytokines

Question 5

What is an opsonin

Answer 5

substance that coats ell/bacteria and enhances the ability of phagocytes to phagocytose the particle
OPSONIZATION IS THE PROCESS

Question 6

What are the three complement functions

Answer 6

lysis (rupture cell wall leading to degradation)
chemotaxis
opsonisation

Question 7

What is an important complement opsonin

Answer 7

C3b

Question 8

What stimulates IgE and IgA in pregnancy

Answer 8

oestrogen production

wants to do this as oestrogen inhibits T-cells from rejecting the foetus

Question 9

Autoimmunity (autoimmune disease)

Answer 9

response can be antibody or cell mediated, immune system reacting to self loss of tolerance