normal erythropoiesis Flashcards

1
Q

how many RBC’s made each day?

A

200 billion

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2
Q

what does the rate of RBC loss relative to?

A

the rate of RBC production

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3
Q

how many RBC lost per day must be replaced?

A

1%

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4
Q

what is the word for too many RBC?

A

polycythemia

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5
Q

what is the word for too few RBC?

A

anemia

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6
Q

what does a CBC measure?`

A

RBC,WBC,Hemoglobin and hematocrit

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7
Q

what is a CBC dependent on?

A

of cells, the size of RBC, and blood volume

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8
Q

what are the causes of low hematocrit?

A

anemia, over hydration, nutrition deficiencies (folate, iron, b12, b6), and leaukemia

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9
Q

what are the causes of high hematocrit?

A

dehydration, hypoxia, increase erthrocytosis, CHD, RHF

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10
Q

what is the definition of anemia?

A

reduced normal total of circulating RBC, or the quality or quantity of hemoglobin

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11
Q

what causes the lack of RBC and Hb?

A

impaired production
increased destruction
acute or chronic blood loss
combination

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12
Q

what are the basic manifestation of anemia?

A

reduced oxygen carrying capacity

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13
Q

what are the basic symptoms of anemia?

A

weakness, fatigue, dyspnea, increased heart rate, pallor

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14
Q

how do we classify cell size?

A

-cytic (normo, micro, macro)

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15
Q

how do we classify Hb content color?

A

-chromic (normo, hyper, hypo)

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16
Q

what is the term for variation in cell size?

A

anisocytosis

17
Q

what is the term for variation in cell shape?

A

polikocytosis

18
Q

what is hemoglobin?

A

Hemoglobin in blood carries oxygen from the respiratory organs to the rest of the body.

19
Q

what is hematocrit?

A

the volume percentage of red blood cells in blood, measured as part of a blood test.