Hemopoeisis Block 1

Question 1

hemopoietic marrow is blank marrow

Answer 1

red

Question 2

inactive marrow is blank marrow

Answer 2

yellow

Question 3

red marrow is in the blank skeleton

Answer 3

axial

Question 4

red marrow is blank percent hemopoietic cells and blank percent fat cells

Answer 4

50/50

Question 5

fewer fat cells means blank hemopoiesis

Answer 5

more

Question 6

white spaces in bone section

Answer 6

fat cells

Question 7

network of reticular cells and fibers in hemopoietic bone marrow

Answer 7

stroma

Question 8

stroma fibers provide blank network for developing cells

Answer 8

adhesive

Question 9

reticular cells can transform into blank cells

Answer 9

fat

Question 10

hemopoietic bone marrow features

Answer 10

stroma, sinuses

Question 11

hemopoiesis starts in the blank about blank weeks after conception

Answer 11

yolk sac, 2

Question 12

hemopoiesis begins in the blank about 6 weeks in utero

Answer 12

liver

Question 13

during the hepatic period, blank hemoglobin is synthesized

Answer 13

fetal

Question 14

blank also is a hemopoietic site from the 3rd to 5th month

Answer 14

spleen

Question 15

period when bone marrow starts to do hemopoiesis

Answer 15

myeloid

Question 16

bone marrow hemopoiesis starts at the blank month, becomes the major site at blank months, and continues for the rest of life

Answer 16

3rd, 6th

Question 17

fetal blank is produced till birth

Answer 17

hemoglobin

Question 18

hemoglobin switches from blank to blank at birth

Answer 18

HbF, HbA

Question 19

most common sites for extramedullar hemopoiesis

Answer 19

spleen most common then liver

Question 20

cells are in various stages of development and undergo blank so youngest cells are least numerous while older are most numerous

Answer 20

mitosis

Question 21

most numerous blood cell type

Answer 21

neutrophils,

Question 22

least numerous blood cell type

Answer 22

monocyte

Question 23

second most numerous hemopoietic cell type

Answer 23

normoblast

Question 24

megakaryoblast and descendants undergo repeated blank

Answer 24

endomitosis

Question 25

after huge nucleus is formed in megakaryocyte, blank granulation is produced

Answer 25

azure

Question 26

1 megakaryocyte divides into blank platelets

Answer 26

1000

Question 27

hemopoietic nodule that forms any blood cell

Answer 27

colony forming unit

Question 28

pluripotential hemopoietic stem cells exists and has blank marker

Answer 28

cd34

Question 29

in marrow, there is blank pluripotential hemopoietic stem cells per 1000

Answer 29

1

Question 30

blank does not allow the viewing of pluripotent stem cell

Answer 30

routine staining

Question 31

in blood there is 1 stem cell per blank leukocytes

Answer 31

10,000

Question 32

a stem cell has a choice to form this or this

Answer 32

myeloid (CFU, RBC, granulocyte, monocytes, etc), lymphoid (lymphocytes, plasma cells)

Question 33

regulatory factors of hemopoiesis is the blank

Answer 33

hemopoietins

Question 34

hemopoietins are blank

Answer 34

cytokines

Question 35

erythropoietin is synthesized by cortical interstitial cells of the blank

Answer 35

kidney

Question 36

medications such as blank are used to stimulate stem cells to produce granulocytes, and monocytes

Answer 36

colony stimulating factor

Question 37

CFU-GM gives rise to these two

Answer 37

monocyte, neutrophil

Question 38

most common source for hemopoietic stem cells for allogenic transplanation

Answer 38

peripheral blood, umbilical cord