Immune System Which of the following(s) is/are the determinants of antigenicity? Size of the antigen All of these Chemical nature Foreignness Size of the antigen All of these Chemical nature Foreignness ANSWER DOWNLOAD EXAMIANS APP
Immune System Chemically an antigen may be protein polysaccharide any of these lipid protein polysaccharide any of these lipid ANSWER DOWNLOAD EXAMIANS APP
Immune System The role of the M cell is to 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 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 Which of the following expresses CD3 surface antigen? Granulocytes T cells B cells Monocytes Granulocytes T cells B cells Monocytes ANSWER DOWNLOAD EXAMIANS APP
Immune System Cytotoxic T-cells can be recognized by which of the following cell surface marker? CD4 CD8 CD7 CD9 CD4 CD8 CD7 CD9 ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following is correct for CD8 T cells? CD8 T cells only recognize virus-infected 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 cell receptor recognizes epitopes that are also commonly recognized by B cells CD8 T cells only recognize virus-infected 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 cell receptor recognizes epitopes that are also commonly recognized by B cells ANSWER DOWNLOAD EXAMIANS APP