Immune System The role of the M cell is to trap virus in mucus and prevent entry they use their cilia to propel mucus out of the small intestine induce apoptosis in virus-infected small intestinal epithelia cells pass bacteria or virus to underlying macrophages for processing and presentation of antigen trap virus in mucus and prevent entry they use their cilia to propel mucus out of the small intestine induce apoptosis in virus-infected small intestinal epithelia cells pass bacteria or virus to underlying macrophages for processing and presentation of antigen ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following(s) is/are the determinants of antigenicity? Foreignness All of these Chemical nature Size of the antigen Foreignness All of these Chemical nature Size of the antigen ANSWER DOWNLOAD EXAMIANS APP
Immune System Which is not an antigen-presenting cell (or APC)? B cell Polymorphonuclear leukocyte (or PMN) Dendritic cell All of these B cell Polymorphonuclear leukocyte (or PMN) Dendritic cell All of these ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following expresses CD3 surface antigen? T cells Monocytes B cells Granulocytes T cells Monocytes B cells Granulocytes ANSWER DOWNLOAD EXAMIANS APP
Immune System Macrophages are professional antigen- presenting cells. The protein molecule through which they present antigen in human is actin HLA interleukin CD8 actin HLA interleukin CD8 ANSWER DOWNLOAD EXAMIANS APP
Immune System Passive immunization is done for all of these enteric fever tuberculosis diphtheria all of these enteric fever tuberculosis diphtheria ANSWER DOWNLOAD EXAMIANS APP