Podcast
Questions and Answers
Which type of lymphocyte is most abundant in the human liver?
Which type of lymphocyte is most abundant in the human liver?
- Classical T cells
- MAIT cells (correct)
- B-1 cells
- NK-T cells
What is the unifying characteristic of the lymphocytes that have some features of T and B lymphocytes?
What is the unifying characteristic of the lymphocytes that have some features of T and B lymphocytes?
- They recognize microbial lipids bound to a class I MHC–related molecule called CD1
- They are present in mucosal tissues
- They express somatically rearranged antigen receptors with limited diversity (correct)
- They produce antibodies in response to microbes and microbial toxins
What do natural antibodies found in the blood of normal individuals without specific immunization target?
What do natural antibodies found in the blood of normal individuals without specific immunization target?
- Bacterial vitamin B metabolites
- Microbial lipids bound to CD1
- Microbes and microbial toxins that pass through the walls of the intestine (correct)
- All of the above
Which type of B lymphocyte is present at the edges of lymphoid follicles in the spleen and other organs and is involved in rapid antibody responses to blood-borne polysaccharide-rich microbes?
Which type of B lymphocyte is present at the edges of lymphoid follicles in the spleen and other organs and is involved in rapid antibody responses to blood-borne polysaccharide-rich microbes?
Which type of cells respond to infections in ways that are characteristic of adaptive immunity but have features of innate immunity?
Which type of cells respond to infections in ways that are characteristic of adaptive immunity but have features of innate immunity?
Which type of antibodies are specific for carbohydrates that are present in the cell walls of many bacteria and for ABO blood group antigens found on red blood cells?
Which type of antibodies are specific for carbohydrates that are present in the cell walls of many bacteria and for ABO blood group antigens found on red blood cells?
