Immune System Following are the defenses of the colon except mucus fast flow rate dense resident microbiota sIgA mucus fast flow rate dense resident microbiota sIgA ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following(s) is/are the determinants of antigenicity? Foreignness All of these Size of the antigen Chemical nature Foreignness All of these Size of the antigen Chemical nature ANSWER DOWNLOAD EXAMIANS APP
Immune System The role of the M cell is to 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 pass bacteria or virus to underlying macrophages for processing and presentation of antigen ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following statements is false regarding B cells? B cells synthesize antibodies and put them on their cell surface B one marrow stem cells migrate to the thymus and develop into B cells B cells can undergo class switching and produce a different antibody type 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 one marrow stem cells migrate to the thymus and develop into B cells B cells can undergo class switching and produce a different antibody type B cells that recognize high concentrations of antigens (self) in the absence of other signals undergo apoptosis in the bone marrow ANSWER DOWNLOAD EXAMIANS APP
Immune System Natural killer cells are involved in tumour rejection non-specific killing of virus transformed target cells allograft rejection all of these tumour rejection non-specific killing of virus transformed target cells allograft rejection all of these ANSWER DOWNLOAD EXAMIANS APP
Immune System Passive immunization is done for all of these tuberculosis enteric fever diphtheria all of these tuberculosis enteric fever diphtheria ANSWER DOWNLOAD EXAMIANS APP
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