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10 Cards in this Set
- Front
- Back
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Approximately how much blood is in the total circulation?
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5L
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What percentage of blood typically resides in pulmonary circulation?
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15% (5% heart, 10% circulation)
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Of the remaining 85% that remains in systemic circulation, what percentage resides in the arterial and venous sides respectively?
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Arterial - 20%
Venous - 65% |
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Where does the greatest level of division occur in the arterial system causing the large drop in pressure?
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Branching of arterioles from small arteries.
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Venules are formed when:
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Capillary beds unite
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Specialized, flattened veins with extremely thin walls.
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Venous sinuses
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How to smooth muscle, elastin, and collagen compare as far as elasticity?
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Smooth muscle > Elastin >>> Collagen
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Wall tension is the opposing force of:
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Transmural pressure (the distending force that increases the circumference of a vessel)
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Two types of vessels with no elastic tissue
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Capillaries and venules
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Vessel with the most elastic tissue.
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Aorta
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