Immune System Polymorphonuclear leukocytes (or PMNs) 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 All of these ANSWER DOWNLOAD EXAMIANS APP
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 Chemically an antigen may be lipid any of these polysaccharide protein lipid any of these polysaccharide protein ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following(s) is/are the determinants of antigenicity? Chemical nature Size of the antigen All of these Foreignness Chemical nature Size of the antigen All of these Foreignness ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following expresses CD3 surface antigen? Granulocytes T cells Monocytes B cells Granulocytes T cells Monocytes B cells ANSWER DOWNLOAD EXAMIANS APP
Immune System Macrophages are professional antigen- presenting cells. The protein molecule through which they present antigen in human is actin HLA CD8 interleukin actin HLA CD8 interleukin ANSWER DOWNLOAD EXAMIANS APP
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