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16 Cards in this Set
- Front
- Back
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What are the general functions of the circulatory system?
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Transportation- oxygen, CO2, hormones, antibodies, nutrients, waste, clotting factors, enzymes, electrolytes ect
Regulation-PH, body temp, water balance Specialties- immunity-protection, homostasis-clotting |
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Blood is classified as what?
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Blood is classified as a connective tissue
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Blood is a mixture of what?
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Blood is a homogenous mixture of cells, noncells and liquid.
Plasma, RBC, buffy coat-platelets,WBC |
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What is one of differences of artery and venous blood?
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Gas content
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What will happen to blood if it is not kept in continuous motion?
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Blood will separate if not kept in continuous motion
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What are the formed elements in blood and what percentage are they to whole blood?
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The formed elements make up 45% of whole blood and consist of Red blood corpuscles, white blood cells, and platelets
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Define polycythemia?
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Too many RBC in blood
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How do you calculate the amount of blood a person has?
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Figure out weight in Kg lbs/2.2 kg multiply times 80 ml
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Define cyanosis?
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A bluish coloration of the skin and mucous membrane due to lack of oxygenation of the blood
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What is the viscosity of the blood is it greater or less than water?
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Blood's viscosity is 1.060 which is heavier than water.
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What is the PH of blood and the temperature?
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Blood is slightly alkaline averaging 7.4 about 38 C
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What percentage of plasma is water?
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91 % of plasma is water
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prefix Pro- and suffix -ogen mean what?
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To make, creation, pre
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Primary function of a RBC is?
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Primary functionof a RBC is to carry oxygen by way of homoglobin in the form of oxyhemoglobin. Hb can also carry CO2 as carbamino-Hb and CO as carboxy-Hb
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Describe a RBC?
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A RBC has no nucleus, it is biconcave disc shaped - allows for flexibility, there are 280 million Hb per RBC, lifespan 80-120days, they are destroyed by macrophage, reproduction- red marrow,mortatily rate = to natality rate, 7 microns in size
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What is a normal RBC count?
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4.2 - 6.2 million cubic mm or mm3
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