Immune System Treatment with bacterial endotoxins results blast formation in T cells monocytes B cells none of these T cells monocytes B cells none of these ANSWER DOWNLOAD EXAMIANS APP
Immune System Numerous antibodies can be prepared, against one antigen, each binds to unique epitopes. How is this antibody diversity generated? Antibody proteins can physically change their shape to bind different epitopes By the combination of different heavy and light chains that form the antigen binding site By rearrangements of the DNA encoding the variable regions of the heavy and light chains Both (a) and (b) Antibody proteins can physically change their shape to bind different epitopes By the combination of different heavy and light chains that form the antigen binding site By rearrangements of the DNA encoding the variable regions of the heavy and light chains Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Immune System Lysozyme is present in Cerebro spinal fluid (CSF) sweat saliva urine Cerebro spinal fluid (CSF) sweat saliva urine ANSWER DOWNLOAD EXAMIANS APP
Immune System Which is not an antigen-presenting cell (or APC)? B cell Dendritic cell Polymorphonuclear leukocyte (or PMN) All of these B cell Dendritic cell Polymorphonuclear leukocyte (or PMN) 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 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 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 ANSWER DOWNLOAD EXAMIANS APP
Immune System Polymorphonuclear leukocytes (or PMNs) can be attracted to the site of an infection following activation of complement are derived from bone marrow stem cells are a type of phagocyte that can engulf and kill bacteria All of these can be attracted to the site of an infection following activation of complement are derived from bone marrow stem cells are a type of phagocyte that can engulf and kill bacteria All of these ANSWER DOWNLOAD EXAMIANS APP