Heart & Blood Vessels flash cards

Set: Heart & Blood Vessels

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	Term	Definition
	Driving force for blood to move	Median Arterial Pressure/BP
	Blood vessel with largest diameter	Vein
	Blood vessel with most elasticity	Artery
	Blood vessel with thickest walls	Arteries
	Inner lining of blood vessel	endothelium
	Artery used to take a blood pressure	Brachial
	blood vessels with greatest resistance to regulate blood flow	Arterioles
	Hypoxia	decrease in O2 to tissues
	Ischemia	reduced blood supply
	Active Hyperemia	Exercise
	Reactive Hyperemia	cut off of blood supply
	raises blood pressure & holds water	Vassopressin
	raises blood pressure	Epinephrine edit delete dispute
	Angiotensin	raises blood pressure and stimulates the release of aldosterone
	thin walled vessels where exchange of O2 and nutrients occurs	Capillaries
	tow parts of C.V. that have valves	Heart and veins
	where most of the blood is during rest	Veins
	respiratory pump	during inspiration a pressure gradient is set up that pushes blood into heart
	Barrow receptors	monitors stretch in vessel walls
	where barrow receptors are located	arch of aorta & carotid sinus
	Cardiovascular Center located in ...	Medulla Oblongotta
	vassopressin in short term is...	vasocronstrictor
	vassopressin in long term...	holds water in body

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