Immune System Polymorphonuclear leukocytes (or PMNs) 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 are a type of phagocyte that can engulf and kill bacteria ANSWER DOWNLOAD EXAMIANS APP
Immune System Cytotoxic T-cells can be recognized by which of the following cell surface marker? CD4 CD7 CD8 CD9 CD4 CD7 CD8 CD9 ANSWER DOWNLOAD EXAMIANS APP
Immune System Major Histo Compatibility Complex (MHC) is a collection of genes arrayed on chromosome 6 in man, chromosome 17 in mice chromosome 17in man, chromosome 6 in mice chromosome 21 in man, chromosome 6 in mice chromosome 6 in man, chromosone 21 in mice chromosome 6 in man, chromosome 17 in mice chromosome 17in man, chromosome 6 in mice chromosome 21 in man, chromosome 6 in mice chromosome 6 in man, chromosone 21 in mice ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following expresses CD3 surface antigen? T cells Monocytes B cells Granulocytes T cells Monocytes B cells Granulocytes ANSWER DOWNLOAD EXAMIANS APP
Immune System CD8 surface antigen is present in cytotoxic T cells none of these suppresssor T cells both (a) and (b) cytotoxic T cells none of these suppresssor T cells both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following is correct for isoantigens? They are antigens found in some members of different species They are antigens found in all members of different species They are antigens found in all members of a species They are antigens found in some members of a species They are antigens found in some members of different species They are antigens found in all members of different species They are antigens found in all members of a species They are antigens found in some members of a species ANSWER DOWNLOAD EXAMIANS APP