Immune System Which of the following is correct for CD8 T 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 only recognize virus-infected cells CD8 T cells can kill individual virus-infected cells in a contact dependent fashion 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 only recognize virus-infected cells CD8 T cells can kill individual virus-infected cells in a contact dependent fashion ANSWER DOWNLOAD EXAMIANS APP
Immune System Natural killer cells are involved in allograft rejection non-specific killing of virus transformed target cells all of these tumour rejection allograft rejection non-specific killing of virus transformed target cells all of these tumour rejection ANSWER DOWNLOAD EXAMIANS APP
Immune System Polymorphonuclear leukocytes (or PMNs) All of these are derived from bone marrow stem cells can be attracted to the site of an infection following activation of complement are a type of phagocyte that can engulf and kill bacteria All of these are derived from bone marrow stem cells can be attracted to the site of an infection following activation of complement are a type of phagocyte that can engulf and kill bacteria ANSWER DOWNLOAD EXAMIANS APP
Immune System The role of the M cell is to pass bacteria or virus to underlying macrophages for processing and presentation of antigen induce apoptosis in virus-infected small intestinal epithelia cells they use their cilia to propel mucus out of the small intestine trap virus in mucus and prevent entry pass bacteria or virus to underlying macrophages for processing and presentation of antigen induce apoptosis in virus-infected small intestinal epithelia cells they use their cilia to propel mucus out of the small intestine trap virus in mucus and prevent entry ANSWER DOWNLOAD EXAMIANS APP
Immune System Large parasites such as helminthes may be killed extracellularly by the action of neutrophils basophils monocytes eosinophils neutrophils basophils monocytes eosinophils ANSWER DOWNLOAD EXAMIANS APP
Immune System Passive immunization is done for tuberculosis all of these enteric fever diphtheria tuberculosis all of these enteric fever diphtheria ANSWER DOWNLOAD EXAMIANS APP
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