ANTIBODY CLASSES Flashcards
1
Q
MOST ABUNDANT Ab in the BODY
A
IgA
2
Q
MOST ABUNDANT Ab in the SERUM
A
IgG
3
Q
ratio of IgG to IgA in SERUM
A
6:1
4
Q
LEAST ABUNDANT Ab in SERUM
A
IgE
5
Q
MOST EFFECTIVE in COMPLEMENT FIXATION
A
IgM
6
Q
LONGEST HINGE REGION
A
IgD
7
Q
LONGEST HINGE REGION in IgG CLASSES
A
IgG3
8
Q
incomplete or non-agglutinating ab
A
IgG
9
Q
significant Ab type often implicated in HTR and HDN
A
IgG
10
Q
IgG that CANNOT CROSS THE PLACENTA
A
IgG2
11
Q
IgG that is MOST EFFICIENT IN COMPLEMENT FIXATION
A
IgG3
12
Q
IgG that CANNOT FIX COMPLEMENT
A
IgG4
13
Q
IgGs that have HIGH AFFINITY TO Fc RECEPTORS of phagocytic cells, thus increasing the efficiency of phagocytosis
A
IgG1, IgG3
14
Q
an EXCELLENT NEUTRALIZING Ab
A
IgG
15
Q
THE ONLY Ab WITH SECRETORY COMPONENTS that protect it from enzymatic digestion while it patrols the sections
A
IgA
