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Physiology > RBC, Anemia, Polycythemia [ Guyton11, Chap32P419] > Flashcards

RBC, Anemia, Polycythemia [ Guyton11, Chap32P419] Flashcards

0
Q

T or F: the major function of RBC is to transport hemoglobin.

A

TRUE

P419

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1
Q

T or F: RBC is the most abundant cells in the blood.

A

TRUE

P419

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2
Q

What is the enzyme that caralizwd the reversible reaction between CO2 and H20 to for H2CO3?

A

CARBONIC

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3
Q

T or F: CO2 is transported by blood inform of bicarbonate ion (HCO3-).

A

TRUE

P419

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4
Q

What structure is responsible for most of the acid-base buffering power of the whole blood?

A

RBC

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5
Q

RBC diameter, thickness and ave volume?

A

Mean diameter: 7.8 micrometers

Thickness:

2.5 micrometers thickest part
1 or less in thinnest part

Ave volume: 90 - 95 cubic micrometers

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6
Q

T or F: people at high altitudes have greater numbers of RBC.

A

TRUE

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7
Q

Hemoglobin limit in RBC:

A

34 g / 100 ml of cells

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8
Q

How much oxygen can 1 gram pure hemoglobin is capable of combining to?

A

1.34 ml

420

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9
Q

Identify the Area of the body that produce RBC: early weeks of embryonic life

A

YOLK SAC!

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10
Q

Identify the Area of the body that produce RBC: middle trimester of gestation.

A

LIVER

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11
Q

Identify the Area of the body that produce RBC: last month of gestation.

A

BONE MARROW

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12
Q

T or F: spleen and lymph nodes are involved in blood production during middle trimester of gestation.

A

TRUE

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13
Q

A growth inducer that promotes growth and reproduction to virtually all different types of committed stem cells.

A

INTERLEUKIN-3

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14
Q

What are the proteins that control growth and reproduction of stem cells?

A

GROWTH INDUCERS

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15
Q

What cause one type of commited stem cell to differentiate one or more steps toward a final adult blood cell?

A

DIFFERENTIATION INDUCERS

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16
Q

T or F: formation of grown and differentiation inducers is controlled by factors outside bone marrow.

A

TRUE

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17
Q

T or F: ER is reabsorbed in formation of reticulocyte

A

TRUE

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18
Q

Which Process by which reticulocyte transfer from bone marrow to capillaries?

A

DIAPEDESIS

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19
Q

T or F: Anemia causes production of large quantities of RBC.

A

TRUE

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20
Q

What controls RBC production?

A

TISSUE DEMAND FOR OXYGEN

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