Antibody Self reactive antibodies are not found in significant concentration in normal serum because self reactive B cells are killed by CD8 T cells B cells that are stimulated via their surface bound antibody in the absence of T cell help to commit suicide it is impossible to generate a self-reactive antibody self reactive B cells switch to IgA which is all secreted and not present in serum self reactive B cells are killed by CD8 T cells B cells that are stimulated via their surface bound antibody in the absence of T cell help to commit suicide it is impossible to generate a self-reactive antibody 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 theory of antibody production is most widely accepted? Direct template theory Clonal selection theory Indirect template theory Side chain theory Direct template theory Clonal selection theory Indirect template theory Side chain theory ANSWER DOWNLOAD EXAMIANS APP
Antibody Simulation of which of the following will lead to appearance of first antibody to appear following stimulation by an antigen? IgG IgM IgA IgE IgG IgM IgA IgE ANSWER DOWNLOAD EXAMIANS APP
Antibody Which of the following (s) is/are function (s) of Fc fragment of IgG? It is related to passage of IgG across the placental barrier It binds complement It determines catabolic rate All of these It is related to passage of IgG across the placental barrier It binds complement It determines catabolic rate All of these ANSWER DOWNLOAD EXAMIANS APP
Antibody Which of the following is the phylogenetically oldest immunoglobulin? IgM IgG IgE All are similar IgM IgG IgE All are similar ANSWER DOWNLOAD EXAMIANS APP
Antibody Heat-labile class of immunoglobulins include IgE IgA IgG IgM IgE IgA IgG IgM ANSWER DOWNLOAD EXAMIANS APP
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