lab 1: cell maturation Flashcards

0
Q

what gives RBC’s their color

A

hemoglobin

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1
Q

define polychromatic

A

many colors

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2
Q

what does central pallor mean

A

clear or pale center

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3
Q

what is deep blue cytoplasm known as

A

basophilic

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4
Q

describe color change as RBC’S mature

A

blue-purple-red

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5
Q

define anemia

A

lack of RBC’S in the blood

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6
Q

what is hematopoiesis

A

production of all RBC’S including platelets

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7
Q

hormone produced by kidney during hypoxia

A

EPO

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8
Q

what does EPO stand for

A

erythropoietin

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9
Q

another name for stem cell

A

progenitor

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10
Q

what is PPSC

A

common ancestor cell

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11
Q

what does PPSC stand for

A

pluripotent stem cell

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12
Q

what is the % of prorubricytes in bone marrow

A

3-4%

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13
Q

what is the % of metarubricytes in bone marrow

A

57%

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14
Q

what is the % of rubriblasts in bone marrow

A

35%

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15
Q

where are RBC’S produced in an adult

A

bone marrow

16
Q

where are RBC’S produced in the fetus

A

spleen and liver

17
Q

what are the 2 types of bone marrow

A

red and yellow

18
Q

why does the bone marrow change color

A

more fat cells during ages causes the yellow bone marrow

19
Q

what do mature RBC’S lack

20
Q

why do RBC’S have a central pallor

A

they are a bi-concave disk

21
Q

nucleus vs cytoplasm ratio in a rubriblast

22
Q

when are reticulocytes seen in blood

A

regenerative anemia

23
Q

4 things that change as RBC’S mature

A

size, color, looses nucleus, chromatin clumps

24
when is the nucleolus present
rubriblast
25
what stage has a peri nuclear clear zone
prorubricyte
26
which stage is NRBC
metarubricytes
27
what is an NRBC
nucleated red blood cell
28
mast immature RBC
rubriblast
29
how is a rubriblast recognized
nucleolus
30
what cells are seen in loss or distraction of RBC
metarubricytes
31
what RBC stage can start carrying oxygen
reticulocytes