Immune System Chemically an antigen may be polysaccharide protein lipid any of these polysaccharide protein lipid any of these 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 pass bacteria or virus to underlying macrophages for processing and presentation of antigen they use their cilia to propel mucus out of the small intestine induce apoptosis in virus-infected small intestinal epithelia cells trap virus in mucus and prevent entry pass bacteria or virus to underlying macrophages for processing and presentation of antigen they use their cilia to propel mucus out of the small intestine ANSWER DOWNLOAD EXAMIANS APP
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 CD8 T cells only recognize virus-infected cells CD8 T cell receptor recognizes epitopes that are also commonly recognized by B cells In the thymus, CD8 T cells undergo positive selection only, whereas CD4 T cells undergo negative selection only CD8 T cells can kill individual virus-infected cells in a contact dependent fashion CD8 T cells only recognize virus-infected cells CD8 T cell receptor recognizes epitopes that are also commonly recognized by B cells In the thymus, CD8 T cells undergo positive selection only, whereas CD4 T cells undergo negative selection only ANSWER DOWNLOAD EXAMIANS APP
Immune System T cell receptors (or TCR) on CD4+ T cells recognize peptides associated with MHC class I molecules recognize peptides not associated with MHC molecules are secreted out into the environment to bind antigens recognize peptides associated with MHC class II molecules recognize peptides associated with MHC class I molecules recognize peptides not associated with MHC molecules are secreted out into the environment to bind antigens recognize peptides associated with MHC class II molecules ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following(s) is/are the determinants of antigenicity? Chemical nature Size of the antigen All of these Foreignness Chemical nature Size of the antigen All of these Foreignness ANSWER DOWNLOAD EXAMIANS APP
Immune System Following are the defenses of the colon except dense resident microbiota fast flow rate mucus sIgA dense resident microbiota fast flow rate mucus sIgA ANSWER DOWNLOAD EXAMIANS APP
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