12 Questions
Which type of cells capture microbial antigens and display them for recognition by T lymphocytes?
Dendritic cells
Which lymphoid organs react to cell-free antigen from the lymph?
Lymph Node
Which genetic locus was the principal determinant of acceptance or rejection of tissue grafts exchanged between individuals?
Major histocompatibility complex (MHC)
What best describes the gene expression of the MHC genes?
Codominant expressed
What type of MHC complex is expressed by all nucleated cells?
Class I MHC molecules
Which cells phagocytose pathogens and antigens in the epithelia and migrate to lymphoid organs to engage cells in the adaptive immune response?
Dendritic cells
What type of cells can function as an Antigen-presenting cell (APC)?
Any nucleated cell
Which type of antigen-presenting cells (APCs) are Professional APCs?
Dendritic cells and Macrophages
What type of MHC complex is expressed on Professional APCs?
Class II MHC molecules
In which genetic locus are genes called class I and class II MHC genes located?
MHC locus
What cells capture microbial antigens, process them, and present them with MHC molecules for recognition by T cells?
All nucleated cells
In which lymphoid organ do dendritic cells phagocytose pathogens and antigens in the epithelia?
Spleen
Test your knowledge about antigen-presenting cells (APCs) and lymphoid organs in the immune system. Explore the types of APCs and their role in capturing microbial antigens for recognition by T lymphocytes. Understand the lymphoid organs' reaction to cell-free antigens.
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