Antibody Which of the following is the phylogenetically oldest immunoglobulin? IgM IgE All are similar IgG IgM IgE All are similar IgG ANSWER DOWNLOAD EXAMIANS APP
Antibody Which of the following (s) is/are function (s) of Fc fragment of IgG? 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 It is related to passage of IgG across the placental barrier ANSWER DOWNLOAD EXAMIANS APP
Antibody Which of the following theory of antibody production is most widely accepted? Clonal selection theory Direct template theory Indirect template theory Side chain theory Clonal selection theory Direct template theory Indirect template theory Side chain theory ANSWER DOWNLOAD EXAMIANS APP
Antibody Self reactive antibodies are not found in significant concentration in normal serum because self reactive B cells are killed by CD8 T cells 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 switch to IgA which is all secreted and not present in serum self reactive B cells are killed by CD8 T cells 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 switch to IgA which is all secreted and not present in serum ANSWER DOWNLOAD EXAMIANS APP
Antibody The secretary component of sIgA is made by plasma cells that secrete dimeric IgA made by T cells 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 plasma cells that secrete dimeric IgA made by T cells 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
Antibody Which is not a function of IgA? Agglutinate antigen Protect mucosal surfaces Fix complement Protect eyes Agglutinate antigen Protect mucosal surfaces Fix complement Protect eyes ANSWER DOWNLOAD EXAMIANS APP