Immune System Immunity is not long lasting to diphtheria influenza mumps whooping cough diphtheria influenza mumps whooping cough ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following(s) is/are the determinants of antigenicity? Chemical nature Foreignness Size of the antigen All of these Chemical nature Foreignness Size of the antigen All of these ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following is correct for CD8 T cells? CD8 T cells only recognize virus-infected cells CD8 T cell receptor recognizes epitopes that are also commonly recognized by B cells In the thymus, CD8 T cells undergo positive selection only, whereas CD4 T cells undergo negative selection only CD8 T cells can kill individual virus-infected cells in a contact dependent fashion CD8 T cells only recognize virus-infected cells CD8 T cell receptor recognizes epitopes that are also commonly recognized by B cells In the thymus, CD8 T cells undergo positive selection only, whereas CD4 T cells undergo negative selection only CD8 T cells can kill individual virus-infected cells in a contact dependent fashion ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following expresses CD3 surface antigen? Granulocytes Monocytes B cells T cells Granulocytes Monocytes B cells T cells ANSWER DOWNLOAD EXAMIANS APP
Immune System Polymorphonuclear leukocytes (or PMNs) All of these are a type of phagocyte that can engulf and kill bacteria are derived from bone marrow stem cells can be attracted to the site of an infection following activation of complement All of these are a type of phagocyte that can engulf and kill bacteria are derived from bone marrow stem cells can be attracted to the site of an infection following activation of complement 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? 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) 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 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS