1. The walls of large blood vessels reccive their oxygen and nutrients from blood in vessels are known asa) capillariesc) vasa vasorumb) sinusoidsd) arterioles2. The thickest layer of an artery wall is the tunicaa) extern3c) mediab) internad) intima3. The layer of an artery wall that contains endothelium is thea) tunica internac) tunica extenab) tunica mediad) none of the above4. Vessels that function as a pressure rescrvoir to ensure blood flow while the ventricles are relased are thea) venuelsc) sinusoidsb) clastic arteriesd) arterioles5. Arterioles play a key role in regulating blood pressure because of their role in regulating resistance tollowa) trucb) false6. The only blood vessels whove walls permit exchange between the blood and the surrounding interstitialfluids area) veinsc) venulesb) capillaricd) arterioles7. Blood flow through a capillary is regulated by thea) vasa vasorumc) precapillary sphincterb) capillary plexusd) arterial anastomosis8. The microcirculation consists of the followings excepta) a capillaryc) a venuleb) an arteoled) a vein9. Three different types of capillaries include continuous capillaries, fenestrated capillanes, andsinusoidsb) falsea) True