Blood and Hemopoiesis Part III

Question 1

Agranulocytes and form the second largest population of WBCs

Answer 1

LYMPHOCYTES

Question 2

20-25%

Answer 2

LYMPHOCYTES

Question 3

Slightly indented, round nucleus that occupy most of the cell

Answer 3

LYMPHOCYTES

Question 4

Have no function in the bloodstream but impt in CT

Answer 4

LYMPHOCYTES

Question 5

Contains few azurophilic granules

Answer 5

LYMPHOCYTES

Question 6

B cells
T cells
Null cells

Answer 6

LYMPHOCYTES

Question 7

responsible for the humorally mediated immune system; Bone marrow

Answer 7

B cells

Question 8

Effector cells to ANTIBODIES

Answer 8

B cells

Question 9

cellularly mediated immune response; cortex of thymus

Answer 9

T cells

Question 10

Effector cells:

Answer 10

Memmory cells
Cytotoxic cells
Helper cells
Regulatory cells

Question 11

Null cells:

Answer 11

Circulating Stem cells
Natural killer cells

Question 12

give rise to all blood elements

Answer 12

Circulating Stem cells

Question 13

kill some foreign and virally altered cells without the influence of thymus

Answer 13

Natural killer cells

Question 14

PLATELETS FORMATION:

Under the control of

Answer 14

THROMBOPOIETIN

Question 15

PLATELETS FORMATION:

From multipotential cell _____ developing into ____ further developing into _____

Answer 15

CFU-GEMM, CFU-Meg, megakaryoblast

Question 16

Cells undergo ____ (cells do not divide but become larger in size), polyploid 64n

Answer 16

ENDOMITOSIS

Question 17

Are small, disk-shaped, non-nucleated cell fragments derived from megakaryocytes in the BM

Answer 17

PLATELETS

Question 18

Functions in limiting hemorrhage to the endothelial lining of the blood vessel in case of injury

Answer 18

PLATELETS