lab 1: cell maturation Flashcards by Alicia Patcyk | Brainscape

Q

what gives RBC’s their color

A

hemoglobin

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Q

define polychromatic

A

many colors

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Q

what does central pallor mean

A

clear or pale center

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Q

what is deep blue cytoplasm known as

A

basophilic

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Q

describe color change as RBC’S mature

A

blue-purple-red

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Q

define anemia

A

lack of RBC’S in the blood

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Q

what is hematopoiesis

A

production of all RBC’S including platelets

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Q

hormone produced by kidney during hypoxia

A

EPO

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Q

what does EPO stand for

A

erythropoietin

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Q

another name for stem cell

A

progenitor

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Q

what is PPSC

A

common ancestor cell

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Q

what does PPSC stand for

A

pluripotent stem cell

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Q

what is the % of prorubricytes in bone marrow

A

3-4%

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Q

what is the % of metarubricytes in bone marrow

A

57%

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Q

what is the % of rubriblasts in bone marrow

A

35%

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Q

where are RBC’S produced in an adult

A

bone marrow

Q

where are RBC’S produced in the fetus

A

spleen and liver

Q

what are the 2 types of bone marrow

A

red and yellow

Q

why does the bone marrow change color

A

more fat cells during ages causes the yellow bone marrow

Q

what do mature RBC’S lack

A

nucleus

Q

why do RBC’S have a central pallor

A

they are a bi-concave disk

Q

nucleus vs cytoplasm ratio in a rubriblast

A

7:1

Q

when are reticulocytes seen in blood

A

regenerative anemia

Q

4 things that change as RBC’S mature

A

size, color, looses nucleus, chromatin clumps

Q

when is the nucleolus present

A

rubriblast

Q

what stage has a peri nuclear clear zone

A

prorubricyte

Q

which stage is NRBC

A

metarubricytes

Q

what is an NRBC

A

nucleated red blood cell

Q

mast immature RBC

A

rubriblast

Q

how is a rubriblast recognized

A

nucleolus

Q

what cells are seen in loss or distraction of RBC

A

metarubricytes

Q

what RBC stage can start carrying oxygen

A

reticulocytes