Immune System Following are the defenses of the colon except fast flow rate mucus sIgA dense resident microbiota fast flow rate mucus sIgA dense resident microbiota ANSWER DOWNLOAD EXAMIANS APP
Immune System Which is not an antigen-presenting cell (or APC)? Polymorphonuclear leukocyte (or PMN) Dendritic cell All of these B cell Polymorphonuclear leukocyte (or PMN) Dendritic cell All of these B cell 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? Antibody proteins can physically change their shape to bind different epitopes Both (a) and (b) 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 Antibody proteins can physically change their shape to bind different epitopes Both (a) and (b) 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 ANSWER DOWNLOAD EXAMIANS APP
Immune System Chemically an antigen may be lipid protein polysaccharide any of these lipid protein polysaccharide any of these ANSWER DOWNLOAD EXAMIANS APP
Immune System Passive immunization is done for tuberculosis all of these diphtheria enteric fever tuberculosis all of these diphtheria enteric fever ANSWER DOWNLOAD EXAMIANS APP
Immune System Which of the following(s) is/are the determinants of antigenicity? Size of the antigen Chemical nature All of these Foreignness Size of the antigen Chemical nature All of these Foreignness ANSWER DOWNLOAD EXAMIANS APP