Chapter 6: T Cell Types

Question 1

Type of T cell that activates cell-mediated immunity (a CD4+ T cell)

Answer 1

Th1

Question 2

Type of T cell that mediates humoral immunity (a CD4+ T cell)

Answer 2

Th2

Question 3

Type of T cell that mediates autoimmune respones

Answer 3

Th17

Question 4

Type of T cell that limits the immune response (decreases inflammation and the autoimmune response).

Answer 4

Treg

Question 5

What does CD indicate in T cell types?

Answer 5

Markers on the cell surface

Question 6

What are T cell types categorized by?

Answer 6

HLA recognition

Question 7

What types of molecules do CD4+ T cells recognize?

Answer 7

MHC/HLA Class II

Question 8

What types of molecules do CD8+ T cells recognize?

Answer 8

MHC/HLA Class I

Question 9

Which type of T cell is cytotoxic and lyse virally infected cells and tumor cells?

Answer 9

CD8+

Question 10

Which type of T cells are T helper cells and require Ag presentation by APCs to recognize/respond to Ag?

Answer 10

CD4+

Question 11

Type of T cell (of the CD4+ type) that mediates inflammation by secreting pro-inflammatory
cytokines, protects against intracellular pathogens (activates macrophages), and has a role in delayed hypersensitivity reactions

Answer 11

Th1