Immune System Large parasites such as helminthes may be killed extracellularly by the action of monocytes neutrophils basophils eosinophils monocytes neutrophils basophils eosinophils ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following expresses CD3 surface antigen? B cells Monocytes T cells Granulocytes B cells Monocytes T cells Granulocytes 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
Immune System Lysozyme is present in Cerebro spinal fluid (CSF) saliva urine sweat Cerebro spinal fluid (CSF) saliva urine sweat 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 rearrangements of the DNA encoding the variable regions of the heavy and light chains By the combination of different heavy and light chains that form the antigen binding site Both (a) and (b) Antibody proteins can physically change their shape to bind different epitopes By rearrangements of the DNA encoding the variable regions of the heavy and light chains By the combination of different heavy and light chains that form the antigen binding site Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Immune System Which is not an antigen-presenting cell (or APC)? All of these Polymorphonuclear leukocyte (or PMN) B cell Dendritic cell All of these Polymorphonuclear leukocyte (or PMN) B cell Dendritic cell ANSWER DOWNLOAD EXAMIANS APP