Immune System Lysozyme is present in Cerebro spinal fluid (CSF) saliva sweat urine Cerebro spinal fluid (CSF) saliva sweat urine ANSWER DOWNLOAD EXAMIANS APP
Immune System Natural killer cells are involved in non-specific killing of virus transformed target cells tumour rejection all of these allograft rejection non-specific killing of virus transformed target cells tumour rejection all of these allograft rejection ANSWER DOWNLOAD EXAMIANS APP
Immune System Macrophages are professional antigen- presenting cells. The protein molecule through which they present antigen in human is actin CD8 interleukin HLA actin CD8 interleukin HLA ANSWER DOWNLOAD EXAMIANS APP
Immune System T cell receptors (or TCR) on CD4+ T cells recognize peptides associated with MHC class II molecules recognize peptides not associated with MHC molecules are secreted out into the environment to bind antigens recognize peptides associated with MHC class I molecules recognize peptides associated with MHC class II molecules recognize peptides not associated with MHC molecules are secreted out into the environment to bind antigens recognize peptides associated with MHC class I molecules ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following(s) is/are the determinants of antigenicity? Size of the antigen Foreignness Chemical nature All of these Size of the antigen Foreignness Chemical nature All of these 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 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 synthesize antibodies and put them on their cell surface B cells that recognize high concentrations of antigens (self) in the absence of other signals undergo apoptosis in the bone marrow 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 synthesize antibodies and put them on their cell surface ANSWER DOWNLOAD EXAMIANS APP