Antibody Self reactive antibodies are not found in significant concentration in normal serum because it is impossible to generate a self-reactive antibody 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 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 are killed by CD8 T cells self reactive B cells switch to IgA which is all secreted and not present in serum B cells that are stimulated via their surface bound antibody in the absence of T cell help to commit suicide ANSWER DOWNLOAD EXAMIANS APP
Antibody Which is not a function of IgG? Activates or fixes complement First antibody type produced against an antigen during the primary antibody response Major antibody in serum Involved in opsonization Activates or fixes complement First antibody type produced against an antigen during the primary antibody response Major antibody in serum Involved in opsonization ANSWER DOWNLOAD EXAMIANS APP
Antibody Which of the following theory of antibody production is most widely accepted? Side chain theory Indirect template theory Clonal selection theory Direct template theory Side chain theory Indirect template theory Clonal selection theory Direct template theory 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 J chain is present in IgA Both (a) and (b) IgM IgE IgA Both (a) and (b) IgM IgE ANSWER DOWNLOAD EXAMIANS APP
Antibody Which of the following mediates Type I hypersensitivity reaction? IgD IgE IgG IgM IgD IgE IgG IgM ANSWER DOWNLOAD EXAMIANS APP