Antibody Self reactive antibodies are not found in significant concentration in normal serum because it is impossible to generate a self-reactive antibody B cells that are stimulated via their surface bound antibody in the absence of T cell help to commit suicide self reactive B cells are killed by CD8 T cells self reactive B cells switch to IgA which is all secreted and not present in serum it is impossible to generate a self-reactive antibody B cells that are stimulated via their surface bound antibody in the absence of T cell help to commit suicide self reactive B cells are killed by CD8 T cells self reactive B cells switch to IgA which is all secreted and not present in serum ANSWER DOWNLOAD EXAMIANS APP
Antibody Which of the following (s) is/are function (s) of Fc fragment of IgG? It binds complement It is related to passage of IgG across the placental barrier It determines catabolic rate All of these It binds complement It is related to passage of IgG across the placental barrier It determines catabolic rate All of these ANSWER DOWNLOAD EXAMIANS APP
Antibody Which is not a function of IgG? Involved in opsonization Major antibody in serum Activates or fixes complement First antibody type produced against an antigen during the primary antibody response Involved in opsonization Major antibody in serum Activates or fixes complement First antibody type produced against an antigen during the primary antibody response ANSWER DOWNLOAD EXAMIANS APP
Antibody Which of the following is the phylogenetically oldest immunoglobulin? IgE IgM All are similar IgG IgE IgM All are similar IgG ANSWER DOWNLOAD EXAMIANS APP
Antibody J chain is present in Both (a) and (b) IgA IgE IgM Both (a) and (b) IgA IgE IgM ANSWER DOWNLOAD EXAMIANS APP
Antibody The secretary component of sIgA is made by T cells made by plasma cells that secrete dimeric IgA added to dimeric IgA by the M cell formed by cleavage of an epithelial cell receptor used to transport the dimeric IgA across the epithelial cell made by T cells made by plasma cells that secrete dimeric IgA added to dimeric IgA by the M cell formed by cleavage of an epithelial cell receptor used to transport the dimeric IgA across the epithelial cell ANSWER DOWNLOAD EXAMIANS APP
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