Antibodies Flashcards
1
Q
IgG
A
Most abundant, long lasting and can cross the placenta.
2
Q
IgA
A
10-15%, most common in mucus membranes and secretions.
-Prevent adhesion.
3
Q
IgM
A
5-10%, first to be produced and respond, only last a short time.
-Clumping of microbes and compliment activation.
4
Q
IgE
A
Tiny amounts only, bind to mast cells & basophils.
-Defend against parasite infection.
-Involved in allergic reactions.
5
Q
What are the functions of Antibodies?
A
-Enhance phagocytes,
-Activate compliment,
-Neutralise by blocking binding receptors.
-Agglutination.
6
Q
What cell produces Antibodies?
A
B-cells which proliferate into Plasma cells.
