Cell surface proteins

Question 1

stem cells

Answer 1

CD34

Question 2

T helper

Answer 2

CD4, TCR, CD3, CD28

Question 3

cytotoxic T

Answer 3

CD8, TCR, CD3, CD28

Question 4

Regulatory T cell

Answer 4

CD4, CD25, TCR, CD3, CD28

Question 5

B cell

Answer 5

CD20, CD19, CD40, MHC II, B7

Question 6

Macrophage

Answer 6

CD14, CD40, MHC II, B7

Question 7

Natural Killer cell

Answer 7

CD16, CD56

Question 8

MHC molecule that presents lipid molecules

Answer 8

CD1

Question 9

Found on thymocytes, T cells, and some natural killer cells that acts as a ligand for CD58 and CD59 and is involved in signal transduction and cell adhesion

Answer 9

CD2

Question 10

The signalling component of the T cell receptor (TCR) complex

Answer 10

CD3

Question 11

Found on helper T cells.
Co-receptor for MHC class II
Used by HIV to enter T cells

Answer 11

CD4

Question 12

Found in the majority of mantle cell lymphomas

Answer 12

CD5

Question 13

Found on cytotoxic T cells.
Co-receptor for MHC class I
Found on a subset of myeloid dendritic cells

Answer 13

CD8

Question 14

Cell surface marker for macrophages

Answer 14

CD14

Question 15

Expressed on Reed-Sternberg cells (along with CD30)

Answer 15

CD15

Question 16

Bind to the Fc portion of IgG antibodies

Answer 16

CD16

Question 17

Receptor for Epstein-Barr virus

Answer 17

CD21

Question 18

Interacts with B7 on antigen presenting cell as costimulation signal

Answer 18

CD28

Question 19

Protein tyrosine phosphatase present on all leucocytes

Answer 19

CD45

Question 20

Unique marker for natural killer cells

Answer 20

CD56

Question 21

Acts as the FAS receptor, involved in apoptosis

Answer 21

CD95