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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 |