Antibodies

Question 1

IgA

Answer 1

secretory antibody (mucosal antibody)
mucous membrane (saliva, tears)
-buys time for body to ID invader
breast milk

Question 2

IgD

Answer 2

helps IgG

Question 3

IgE

Answer 3

parasitic infections
allergic reactions
increases in Hodgkin’s disease (Reed-Sternberg cells)

Question 4

IgG

Answer 4

first to increase (second exposure)
most numerous
crosses placenta
anamnestic response: "Without Amnesia"
-eg: have disease then body remembers and mouths same IgG response next time

Question 5

IgM

Answer 5

Pentamer (10 binding sites)-non specific
largest and heaviest
first to increase (first exposure)