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 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 trap virus in mucus and prevent entry induce apoptosis in virus-infected small intestinal epithelia cells 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 isoantigens? They are antigens found in some members of different species They are antigens found in all members of different species They are antigens found in all members of a species They are antigens found in some members of a species They are antigens found in some members of different species They are antigens found in all members of different species They are antigens found in all members of a species They are antigens found in some members of a species ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following expresses CD3 surface antigen? Monocytes T cells Granulocytes B cells Monocytes T cells Granulocytes B cells ANSWER DOWNLOAD EXAMIANS APP
Immune System Chemically an antigen may be protein any of these polysaccharide lipid protein any of these polysaccharide lipid ANSWER DOWNLOAD EXAMIANS APP
Immune System Large parasites such as helminthes may be killed extracellularly by the action of eosinophils monocytes basophils neutrophils eosinophils monocytes basophils neutrophils ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following is correct for CD8 T 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 CD8 T cells can kill individual virus-infected cells in a contact dependent fashion CD8 T cells only recognize virus-infected cells ANSWER DOWNLOAD EXAMIANS APP
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