Physiology and Pathology-Blood

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  • Created by: jessica
  • Created on: 13-02-13 07:56
What is the blood made of?
Plasma and cells
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What are the cells in the blood?
Red blood cells, thrombocytes and leukocytes
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Where are blood cells formed?
In the bone marrow
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What are the five types of leukocyte?
lymphocytes, neutrophils, monocytes, eosinophils, basophils
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Describe thrombocytes
150,000-450,000 per µl Are fragments of cytoplasm, Have no nucleus Are released from megakaryocytes Involved in blood clotting
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What is haematopoiesis?
blood cell production.
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Where is active bone marrow in adults found?
pelvis, spine, ribs, cranium and the ends of large bones. Active bone marrow is red, whereas inactive bone marrow is yellow.
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What do cytokines include?
Colony stimulating factors, Interleukins, Stem cell factor, Thrombopoietin, EPO
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What is the haematocrit?
The fractional contribution of erythrocytes to the blood.
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How is the haematocrit calculated?
Height of erythrocyte column/Height of whole blood column x 100
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What are the solutes in plasma?
proteins, small nutrients, metabolic waste products, gases and electrolytes.
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What are the three main groups of plasma protein?
albumins, globulins and fibrinogen.
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Describe albumin
made in the liver and make a large contribution to the osmotic pressure of plasma.
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Describe globulins
proteins that transport lipids, steroid hormones and are important in blood clotting.
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Describe fibrinogen
made in the liver and is also important in blood clotting.
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Describe erythrocytes
They transport oxygen around the body. They are biconcave disks, this increases the surface area to volume ratio. Have a flexible plasma membrane, allowing them to fit into capillaries.
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Where do T lymphocytes go to mature?
the thymus
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What is HGF?
hematopoietic growth factors
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What does the spleen do?
filters and destroys Erythrocytes. convert the haem group into bilirubin
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What is anemia?
Is a decrease in the oxygen carrying capacity of the blood.
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What are the different types of anemia?
nutritional pernicious aplastic hemorrhagic hemolytic
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Other cards in this set

Card 2

Front

What are the cells in the blood?

Back

Red blood cells, thrombocytes and leukocytes

Card 3

Front

Where are blood cells formed?

Back

Preview of the front of card 3

Card 4

Front

What are the five types of leukocyte?

Back

Preview of the front of card 4

Card 5

Front

Describe thrombocytes

Back

Preview of the front of card 5
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