Immune System The role of the M cell is to they use their cilia to propel mucus out of the small intestine pass bacteria or virus to underlying macrophages for processing and presentation of antigen trap virus in mucus and prevent entry induce apoptosis in virus-infected small intestinal epithelia cells they use their cilia to propel mucus out of the small intestine pass bacteria or virus to underlying macrophages for processing and presentation of antigen trap virus in mucus and prevent entry induce apoptosis in virus-infected small intestinal epithelia cells ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following is correct for isoantigens? They are antigens found in all members of different species They are antigens found in some members of different species They are antigens found in some members of a species They are antigens found in all members of a species They are antigens found in all members of different species They are antigens found in some members of different species They are antigens found in some members of a species They are antigens found in all members of a species ANSWER DOWNLOAD EXAMIANS APP
Immune System Large parasites such as helminthes may be killed extracellularly by the action of eosinophils basophils neutrophils monocytes eosinophils basophils neutrophils monocytes ANSWER DOWNLOAD EXAMIANS APP
Immune System Numerous antibodies can be prepared, against one antigen, each binds to unique epitopes. How is this antibody diversity generated? Antibody proteins can physically change their shape to bind different epitopes By rearrangements of the DNA encoding the variable regions of the heavy and light chains By the combination of different heavy and light chains that form the antigen binding site Both (a) and (b) Antibody proteins can physically change their shape to bind different epitopes By rearrangements of the DNA encoding the variable regions of the heavy and light chains By the combination of different heavy and light chains that form the antigen binding site Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Immune System Immunity is not long lasting to whooping cough mumps diphtheria influenza whooping cough mumps diphtheria influenza ANSWER DOWNLOAD EXAMIANS APP
Immune System CD8 surface antigen is present in both (a) and (b) suppresssor T cells none of these cytotoxic T cells both (a) and (b) suppresssor T cells none of these cytotoxic T cells ANSWER DOWNLOAD EXAMIANS APP