surface markers

Question 1

• thymocytes, t cells, nk cells
• involve T cell
  -activation Rosette formation

A. CD2
B. CD3
C. CD4
D. CD5
E. CD8
F. CDIO
G. CD16
H.CD19
I.CD21
J.CD23
K.CD25
L.CD44
M.CD45R
N.CD56
O.CD94

Answer 1

CD2

Question 2

-thymocytes, Tcells
- Found on all T cells
-Associated with Tcell

A. CD2
B. CD3
C. CD4
D. CD5
E. CD8
F. CDIO
G. CD16
H.CD19
I.CD21
J.CD23
K.CD25
L.CD44
M.CD45R
N.CD56
O.CD94

Answer 2

CD3

Question 3

NK cells are
A. CD2
B. CD3
C. CD4
D. CD5
E. CD8
F. CDIO
G. CD16
H.CD19
I.CD21
J.CD23
K.CD25
L.CD44
M.CD45R
N.CD56
O.CD94

Answer 3

CD56
CD16
CD 2
CD94

Question 4

-NK cells, subsets of T cells
- Subunit of NKG2-A complex involved in Inhibition of NK cell cytotoxicity

A. CD2
B. CD3
C. CD4
D. CD5
E. CD8
F. CDIO
G. CD16
H.CD19
I.CD21
J.CD23
K.CD25
L.CD44
M.CD45R
N.CD56
O.CD94

Answer 4

CD94

Question 5

-mature T cells, thymocytes, subsets of B cells
- positive or negative modulation of Tand B cell receptor signalling

A. CD2
B. CD3
C. CD4
D. CD5
E. CD8
F. CDIO
G. CD16
H.CD19
I.CD21
J.CD23
K.CD25
L.CD44
M.CD45R
N.CD56
O.CD94

Answer 5

CD5

Question 6

-T helper cells, monocytes,
macrophages
- Identifies T helper cells; also found on most T regulatory cells
-Co-receptor for MHC ClasslI; receptor for HIV

A. CD2
B. CD3
C. CD4
D. CD5
E. CD8
F. CDIO
G. CD16
H.CD19
I.CD21
J.CD23
K.CD25
L.CD44
M.CD45R
N.CD56
O.CD94

Answer 6

CD4

Question 7

-B and T cell precursors, bone
marrow stromal cells
-Protease; marker for pre-B CALLA

A.CD10
B.CD5

Answer 7

Cd10

Question 8

-Thymocyte subsets, cytotoxic T cells
-Identifies cytotoxic T cells,
-Co-receptor for MHC Class L

A. CD2
B. CD3
C. CD4
D. CD5
E. CD8
F. CDIO
G. CD16
H.CD19
I.CD21
J.CD23
K.CD25
L.CD44
M.CD45R
N.CD56
O.CD94

Answer 8

Cd8

Question 9

-NK Cells, subsets of T cells
-Cell adhesion and signaling

A. CD2
B. CD3
C. CD4
D. CD5
E. CD8
F. CDIO
G. CD16
H.CD19
I.CD21
J.CD23
K.CD25
L.CD44
M.CD45R
N.CD56
O.CD94

Answer 9

Cd56

Question 10

-Different forms on all hematopoietic cells
-Essential in T and B cell antigen-stimulated activation

A. CD2
B. CD3
C. CD4
D. CD5
E. CD8
F. CDIO
G. CD16
H.CD19
I.CD21
J.CD23
K.CD25
L.CD44
M.CD45R
N.CD56
O.CD94

Answer 10

Cd45

Question 11

-Macrophages, NK cells, neutrophils
-Low affinity Fc receptor for antibody;
mediates phagocytosis

A. CD2
B. CD3
C. CD4
D. CD5
E. CD8
F. CDIO
G. CD16
H.CD19
I.CD21
J.CD23
K.CD25
L.CD44
M.CD45R
N.CD56
O.CD94

Answer 11

G. CD16

Question 12

-B cells, follicular dendritic cells
-Part of B-cell coreceptor; regulates B-cell
development and activation

A. CD2
B. CD3
C. CD4
D. CD5
E. CD8
F. CDIO
G. CD16
H.CD19
I.CD21
J.CD23
K.CD25
L.CD44
M.CD45R
N.CD56
O.CD94

Answer 12

Cd19

Question 13

-Most leukocytes
-Adhesion molecule mediating homing to peripheral lymphoid organs

A. CD2
B. CD3
C. CD4
D. CD5
E. CD8
F. CDIO
G. CD16
H.CD19
I.CD21
J.CD23
K.CD25
L.CD44
M.CD45R
N.CD56
O.CD94

Answer 13

CD44

Question 14

-Activated T, B cells,monocytes
-Receptor for IL2

A. CD2
B. CD3
C. CD4
D. CD5
E. CD8
F. CDIO
G. CD16
H.CD19
I.CD21
J.CD23
K.CD25
L.CD44
M.CD45R
N.CD56
O.CD94

Answer 14

Cd25

Question 15

-B cells, follicular dendritic cells
-Receptor for complement component C3d; part of B-cell coreceptor with CD19

A. CD2
B. CD3
C. CD4
D. CD5
E. CD8
F. CDIO
G. CD16
H.CD19
I.CD21
J.CD23
K.CD25
L.CD44
M.CD45R
N.CD56
O.CD94

Answer 15

CD21

Question 16

-B cells, monocytes, follicular dendritic cells
-Regulation of lgE synthesis; triggers release of GM-CSF from monocytes

A. CD2
B. CD3
C. CD4
D. CD5
E. CD8
F. CDIO
G. CD16
H.CD19
I.CD21
J.CD23
K.CD25
L.CD44
M.CD45R
N.CD56
O.CD94

Answer 16

Cd23