Immune System Following are the defenses of the colon except mucus sIgA fast flow rate dense resident microbiota mucus sIgA fast flow rate dense resident microbiota 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 Which of the following statements is false regarding B cells? B cells can undergo class switching and produce a different antibody type B one marrow stem cells migrate to the thymus and develop into B cells B cells that recognize high concentrations of antigens (self) in the absence of other signals undergo apoptosis in the bone marrow B cells synthesize antibodies and put them on their cell surface B cells can undergo class switching and produce a different antibody type B one marrow stem cells migrate to the thymus and develop into B cells B cells that recognize high concentrations of antigens (self) in the absence of other signals undergo apoptosis in the bone marrow B cells synthesize antibodies and put them on their cell surface ANSWER DOWNLOAD EXAMIANS APP
Immune System CD8 surface antigen is present in none of these both (a) and (b) suppresssor T cells cytotoxic T cells none of these both (a) and (b) suppresssor T cells cytotoxic T cells ANSWER DOWNLOAD EXAMIANS APP
Immune System Chemically an antigen may be lipid any of these polysaccharide protein lipid any of these polysaccharide protein ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following expresses CD3 surface antigen? Monocytes Granulocytes B cells T cells Monocytes Granulocytes B cells T cells ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS