Immune System Cytotoxic T-cells can be recognized by which of the following cell surface marker? CD9 CD4 CD8 CD7 CD9 CD4 CD8 CD7 ANSWER DOWNLOAD EXAMIANS APP
Immune System Which is not an antigen-presenting cell (or APC)? All of these Dendritic cell B cell Polymorphonuclear leukocyte (or PMN) All of these Dendritic cell B cell Polymorphonuclear leukocyte (or PMN) 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 Large parasites such as helminthes may be killed extracellularly by the action of eosinophils monocytes neutrophils basophils eosinophils monocytes neutrophils basophils ANSWER DOWNLOAD EXAMIANS APP
Immune System Immunity is not long lasting to diphtheria mumps whooping cough influenza diphtheria mumps whooping cough influenza ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following statements is false regarding 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 can undergo class switching and produce a different antibody type 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 that recognize high concentrations of antigens (self) in the absence of other signals undergo apoptosis in the bone marrow B cells can undergo class switching and produce a different antibody type 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 ANSWER DOWNLOAD EXAMIANS APP