Immune System T cell receptors (or TCR) on CD4+ T cells are secreted out into the environment to bind antigens recognize peptides associated with MHC class II molecules recognize peptides associated with MHC class I molecules recognize peptides not associated with MHC molecules are secreted out into the environment to bind antigens recognize peptides associated with MHC class II molecules recognize peptides associated with MHC class I molecules recognize peptides not associated with MHC molecules 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 Macrophages are professional antigen- presenting cells. The protein molecule through which they present antigen in human is interleukin HLA CD8 actin interleukin HLA CD8 actin ANSWER DOWNLOAD EXAMIANS APP
Immune System Passive immunization is done for tuberculosis diphtheria all of these enteric fever tuberculosis diphtheria all of these enteric fever ANSWER DOWNLOAD EXAMIANS APP
Immune System Large parasites such as helminthes may be killed extracellularly by the action of basophils monocytes neutrophils eosinophils basophils monocytes neutrophils eosinophils ANSWER DOWNLOAD EXAMIANS APP
Immune System Treatment with bacterial endotoxins results blast formation in T cells B cells none of these monocytes T cells B cells none of these monocytes ANSWER DOWNLOAD EXAMIANS APP