Cell Surface Proteins

Question 1

TCR

Answer 1

T cells

Binds antigen-MHC complex

Question 2

CD3

Answer 2

T cells

Associated with TCR for signal transduction

Question 3

CD28

Answer 3

T cells

Binds B7 on Antigen-Presenting Cells

Question 4

CD4

Answer 4

Helper T cells

Question 5

CD40 ligand

Answer 5

Helper T cells

Question 6

CD8

Answer 6

Cytotoxic T cells

Question 7

Ig

Answer 7

B cells

Binds antigen

Question 8

CD19

Answer 8

B cells

Question 9

CD20

Answer 9

B cells

Question 10

CD21

Answer 10

B cells

Receptor for Epstein-Barr Virus

Question 11

CD40

Answer 11

B cells

Macrophages

Question 12

MHC II

Answer 12

B cells

Macrophages

Question 13

B7

Answer 13

B cells

Macrophages

Question 14

CD14

Answer 14

Macrophages

Question 15

Fc receptor

Answer 15

Macrophages

Enhances phagocytosis

Question 16

C3b receptor

Answer 16

Macrophages

Enhances phagocytosis

Question 17

CD16

Answer 17

NK cells

Binds Fc of IgG

Question 18

CD56

Answer 18

NK cells

Unique marker for NK cells

Question 19

CD1a

Answer 19

Langerhans cells

Histeocytosis

Question 20

CD2

Answer 20

Adhesion molecule for T-cells, NK cells, and LAK cells

Question 21

CD10

Answer 21

Marker for ALL

Question 22

CD 15 & 30

Answer 22

Hodgkin’s lymphoma

Question 23

CD45

Answer 23

Leukocytes marker

Useful in surgical patho to differentiate leukocyte from epithelial malignancy

Question 24

Co-expression of CD5 and CD19

Answer 24

Cancer

Question 25

CD1a

Answer 25

Langerhans cells

Histeocytosis

Question 26

CD2

Answer 26

Adhesion molecule for T-cells, NK cells, and LAK cells

Question 27

CD10

Answer 27

Marker for ALL

Question 28

CD 15 & 30

Answer 28

Hodgkin’s lymphoma

Question 29

CD45

Answer 29

Leukocytes marker

Useful in surgical patho to differentiate leukocyte from epithelial malignancy

Question 30

Co-expression of CD5 and CD19

Answer 30

Cancer

Question 31

CD1a

Answer 31

Langerhans cells

Histeocytosis

Question 32

CD2

Answer 32

Adhesion molecule for T-cells, NK cells, and LAK cells

Question 33

CD10

Answer 33

Marker for ALL

Question 34

CD 15 & 30

Answer 34

Hodgkin’s lymphoma

Question 35

CD45

Answer 35

Leukocytes marker

Useful in surgical patho to differentiate leukocyte from epithelial malignancy

Question 36

Co-expression of CD5 and CD19

Answer 36

Cancer

Question 37

CD1a

Answer 37

Langerhans cells

Histeocytosis

Question 38

CD2

Answer 38

Adhesion molecule for T-cells, NK cells, and LAK cells

Question 39

CD10

Answer 39

Marker for ALL

Question 40

CD 15 & 30

Answer 40

Hodgkin’s lymphoma

Question 41

CD45

Answer 41

Leukocytes marker

Useful in surgical patho to differentiate leukocyte from epithelial malignancy

Question 42

Co-expression of CD5 and CD19

Answer 42

Cancer