Immune System: Actions of Immunoglobulins Flashcards
1
Q
Immunoglobulins
A
Plasma proteins, primary mechanism for protection against disease (also antibodies?)
2
Q
Different forms of immunoglobulins
A
- Lie on surface of B cells enabling the to bind with antigens
- Antigen specific antibodies
3
Q
Antigen specific antibodies
A
Bind with and destroy specific antigens
4
Q
Types of immunoglobulins
A
IgG IgA IgM IgD IgE
5
Q
IgG
A
Most common
Produces immunity in infants before birth
Major antibody for antitoxins, bacteria and viruses
6
Q
IgA
A
Prevents bacteria from invading body
Mucosa of GI, respiratory and GU tracts
7
Q
IgM
A
First antibody produced in response to antigen
Controls blood group antibody responses
8
Q
IgD
A
On surface of B lymphocytes
Acts as an antigen receptor
9
Q
IgE
A
Uncommon and specialized
Role in allergic reactions and parasitic infections