Term
| What is the average adult blood volume and what is the composition? |
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Definition
4-6L
55% plasma, 45% celular elements |
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Term
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Definition
maturation in bone marrow through metarubricyte takes 5 days
Reticulocytes mature in 1-2 days in peripheral circulation |
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Term
| What begins the synthesis of hemoglobin? |
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Definition
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Term
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Definition
maximum hemoglobin synthesis
nucleus ejected
gives cells characteristic boconcave shape when mature |
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Term
| What is the rate at which erythrocytes enter the blood stream? |
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Definition
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Term
| What is the rate at which erythrocytes enter the blood stream? |
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Definition
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Term
| How long does it take for reticulocytes to mature after it leaves the bone marrow? |
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Definition
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Term
| What is produced in the kidneys in response to tissue hypoxia? |
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Definition
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Term
| What are the steps in negative feedback in response to decreased blood oxygen to the kidneys? |
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Definition
| kidneys increase erythropoietin, bone marrow increases erythrocyte production, erythrocytes increase blood oxygen. |
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Term
| What are the characteristics of the RBC membrane. |
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Definition
highly elastic
capable of undergoing large membrane extensions without fragmentation
semipermeable lipid bilayer supported by meshlike cytoskeleton |
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