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ITM circulation
ch. 13
Question | Answer |
---|---|
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 |