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ITM circulation

ch. 13

QuestionAnswer
arteries carry blood "away" from heart
aorta largest artery
arterioles smaller arteries
artery function distribute blood from heart to capillaries
capillaries microscopic vessels
capillaries function oxygen & nutrients to cells, waste products away from cells
veins carry blood "to" heart
vena cava largest veins
venules smaller veins
veins function collect blood from capillaries & return it to heart
tunica adventitia outermost & thickest layer
tunica media middle layer
tunica intima inner layer
blood pressure higher in arteries, lower in veins
systolic top # when ventricles contract
diastolic bottom # when ventricles relax
normal BP 120/80
pulse alternating stretching & relaxing of arterial walls
how many pulse points 9
arteriosclerosis hardening of arteries
artherosclerosis fatty plaque in arteries
hypertension BP over 140/90 or 120/80
temporal arteritis inflammation of temporal arteries (eyes)
raynauds disease reduced blood flow to fingers & toes
aneurysm weakness in blood vessel
varicose veins valves of veins dont close sufficiently
phlebitis inflammation of vein
deep vein thrombosis Never Touch - deep veins of legs & abdomen
hemorrhoids varicose veins in rectum
embolus moving obstruction in bloodstream
occlusion any blockage of a vessel
thrombus stationary clot
Created by: mjjjmom
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