Immune System Following are the defenses of the colon except dense resident microbiota mucus sIgA fast flow rate dense resident microbiota mucus sIgA fast flow rate ANSWER DOWNLOAD EXAMIANS APP
Immune System Which is not an antigen-presenting cell (or APC)? B cell All of these Dendritic cell Polymorphonuclear leukocyte (or PMN) B cell All of these Dendritic cell Polymorphonuclear leukocyte (or PMN) ANSWER DOWNLOAD EXAMIANS APP
Immune System Macrophages are professional antigen- presenting cells. The protein molecule through which they present antigen in human is CD8 HLA interleukin actin CD8 HLA interleukin actin ANSWER DOWNLOAD EXAMIANS APP
Immune System The role of the M cell is to 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 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 ANSWER DOWNLOAD EXAMIANS APP
Immune System Chemically an antigen may be any of these lipid polysaccharide protein any of these lipid polysaccharide protein ANSWER DOWNLOAD EXAMIANS APP
Immune System Treatment with bacterial endotoxins results blast formation in T cells none of these monocytes B cells T cells none of these monocytes B cells ANSWER DOWNLOAD EXAMIANS APP