2.2 Nomenclature of RBC maturation series

Question 1

Pronomoblast is also known as?

Answer 1

Rubriblast

Question 2

Basophilic normoblast is also known as?

Answer 2

Prorubricyte

Question 3

Polychromatic normoblast is also known as?

Answer 3

Rubricyte

Question 4

Metarubricyte is also known as?

Answer 4

Orthochromic normoblast

Question 5

Cell diameter: 12-20 um
BM transit time: 24 hrs

Answer 5

Pronormoblast

Question 6

Cell diameter: 10-15 um
BM transit time: 24 hrs

Answer 6

Basophilic normoblast

Question 7

Cell diameter: 10-12 um
BM transit time: 30 hrs

Answer 7

Polychromatic normoblast

Question 8

Cell diameter: 8-10 um
BM transit time: 48 hrs

Answer 8

Orthochromatic normoblast

Question 9

Cell diameter: 8-10 um
BM transit time: 24-48 hrs

Answer 9

Polychromatic erythrocyte

Question 10

What is the size of erythrocyte?

Answer 10

6-8um

Question 11

First morphologically identifiable RBC precursor?

Answer 11

Pronormoblast

Question 12

Pronormoblast contains ___ nucleoli

Answer 12

1-2 nucleoli

Question 13

This is where Globin production begins

Answer 13

Pronormoblast

Question 14

Contains an intensely basophilic cytoplasm (deeper blue)

Answer 14

Basophilic normoblast

Question 15

Resembles WHEEL WITH BROAD SPOKES due to chromatin BEGINS to condense

Answer 15

Basophilic normoblast

Question 16

Detectable hemoglobin synthesis occurs

Answer 16

Basophilic normoblast

Question 17

FIRST STAGE in which pink color is seen which is due to Hgb

Answer 17

Polychromatic normoblast

Question 18

Stage where Hemoglobin synthesis increases

Answer 18

Polychromatic normoblast

Question 19

LAST STAGE capable of MITOSIS

Answer 19

Polychromatic normoblast

Question 20

Stage where COMPLETE CONDENSATION of nucelus

Answer 20

Othrochromic normoblast

Question 21

Orthochromic normoblast is where hemoglobin production continues on the remaining ribosomes

T or F

Answer 21

T

Question 22

For every 1 pronormoblast produces ______ Mature RBCs

Answer 22

8-32 RBC

Question 23

LAST NUCLEATED stage

Answer 23

Orthochromic normoblast

Question 24

Completion of hemoglobin production

Answer 24

Polychromatic erythrocyte

Question 25

Polychromatic erythrocyte has a residual RNC imparts a bluish tinge to the cytoplasm

T or F

Answer 25

T

Question 26

Also known as diffusely basophilic erythrocyte

Answer 26

Polychromatic erythrocyte

Question 27

Residual RNA is known as?

Answer 27

Reticulum

Question 28

Blue + Pink = Muddy gray

T or F

Answer 28

T