Antigen-Presenting Cells and Major Histocompatibility Complex Quiz

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11 Questions

Which cells capture microbial antigens and display them for recognition by T lymphocytes?

Dendritic cells

What is the genetic locus that is the principal determinant of acceptance or rejection of tissue grafts exchanged between individuals?

Major histocompatibility complex (MHC)

Which type of MHC complex is expressed by all nucleated cells?

Class I MHC molecules

How many Class I genes are there in humans?

Three

Which types of cells can function as Antigen-presenting cells (APCs)?

Any nucleated cell

What lymphoid organs react to cell-free antigen from the lymph?

Lymph Node

What best describes the gene expression of the MHC genes?

Codominant expressed

What type of 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 MHC complex is expressed by Professional APCs?

Class II MHC molecules

What lymphoid organs react to cell-free antigen from the blood?

Spleen

What type of MHC = Human leukocyte antigens (HLAs)?

Class II MHC genes

Test your knowledge about antigen-presenting cells (APCs), major histocompatibility complex (MHC), and the role of T lymphocytes in recognizing microbial antigens. This quiz covers topics such as class I and class II MHC genes, types of APCs, and the function of different lymphoid organs.

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