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Chapter 13 (13.4-13.10 (the celiac artery provides blood to the: liver and…
Chapter 13
13.4-13.10
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the internal carotid and the basilar artery are interconnected by an anastomosis called the: circle of willis
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13.3
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will result in increased nutrient delivery to a specific tissue: relaxation of precapillary sphincters
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which of the following factors is most likey to result in an increase in blood pressure: decreased blood flow to the kidneys
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which of the following is greater: blood pressure when sympathetic stimulation to the heart increases
when a capillary bed decreases in blood flow due to locally high oxygen levels,it is caused by: autoregulation
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13.2 kahoot
plasma proteins that remain in the blood capillaries help.. maintain the osmotic pressure of the blood
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which of the following conditions would completely stop all net filtration: the blood hydrostatic pressure and the blood osmotic pressure are equal un magnitude but oppisite in direction
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kahoot 13-1
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the vessels that permit exchange of materials between the cells and the blood are termed : capillaries
13.1 blood vessels
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ARTERIES
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carry blood that is under great pressure,high in oxygen
CAPILLARIES
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permit the exchange of gases,nutrients and wastes between blood and tissues / connect arterioles to venules/ composed of of only single layer endothelium and basement membrane
capillary arrangement varies by tissue supplied.. higher cellular needs more elaborate network /lower cellular needs less branching
regulation of capillary blood flow smooth muscles control blood entry into capillary beds / metabolic need controls precapillary sphincter
ARTERIOLES
small arteries,deliver blood to capillaries in tissues , regulate blood pressure
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13.3
mechanisms involved in regulation of cardiovascular function: autoregulation,neural,endocrine mechanisms
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neural regulation: when blood pressure increases _(dilate) .. when blood pressure decreases(contract)
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