What kind of cells can produce IgE ()?
A. DC
B cell
C. T cell
D. NK
E. Macrophage
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After the treatment of papain, IgG can be divided into ()
A. 2 Fab and Fc
B. F(ab')2 and pFc'
C. F(ab')2 and Fc
D. 2Fab and pFc'
E. Fab and Fc
What kind of Ig is used for early diagnosis of infection ()
A. IgG
B. IgA
C. IgM
D. IgD
E. IgE
How many classes of immunoglobulins are there ()
A. 5
B. 6
C. 7
D. 4
E. 10
Which Ig has no hinge region ()
A. IgG
B. IgA
C. IgM
D. IgD
E. sIgA