Immune System Which of the following is correct for CD8 T cells? CD8 T cells can kill individual virus-infected cells in a contact dependent fashion In the thymus, CD8 T cells undergo positive selection only, whereas CD4 T cells undergo negative selection only CD8 T cells only recognize virus-infected cells CD8 T cell receptor recognizes epitopes that are also commonly recognized by B cells CD8 T cells can kill individual virus-infected cells in a contact dependent fashion In the thymus, CD8 T cells undergo positive selection only, whereas CD4 T cells undergo negative selection only CD8 T cells only recognize virus-infected cells CD8 T cell receptor recognizes epitopes that are also commonly recognized by B cells ANSWER DOWNLOAD EXAMIANS APP
Immune System Passive immunization is done for all of these tuberculosis enteric fever diphtheria all of these tuberculosis enteric fever diphtheria ANSWER DOWNLOAD EXAMIANS APP
Immune System Major Histo Compatibility Complex (MHC) is a collection of genes arrayed on chromosome 17in man, chromosome 6 in mice chromosome 6 in man, chromosone 21 in mice chromosome 21 in man, chromosome 6 in mice chromosome 6 in man, chromosome 17 in mice chromosome 17in man, chromosome 6 in mice chromosome 6 in man, chromosone 21 in mice chromosome 21 in man, chromosome 6 in mice chromosome 6 in man, chromosome 17 in mice ANSWER DOWNLOAD EXAMIANS APP
Immune System The role of the M cell is to induce apoptosis in virus-infected small intestinal epithelia cells trap virus in mucus and prevent entry 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 induce apoptosis in virus-infected small intestinal epithelia cells trap virus in mucus and prevent entry 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 ANSWER DOWNLOAD EXAMIANS APP
Immune System CD8 surface antigen is present in suppresssor T cells both (a) and (b) cytotoxic T cells none of these suppresssor T cells both (a) and (b) cytotoxic T cells none of these ANSWER DOWNLOAD EXAMIANS APP
Immune System Macrophages are professional antigen- presenting cells. The protein molecule through which they present antigen in human is CD8 interleukin HLA actin CD8 interleukin HLA actin ANSWER DOWNLOAD EXAMIANS APP