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Physiology chap 15
CV review chapter 15
Question | Answer |
---|---|
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 |
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 |