GNUR 293 Pathophysiology Exam 3 | Questions And Answers | Latest Updates

GNUR 293 Pathophysiology Exam 3 | Questions And Answers | Latest Updates what are the 3 layers of arteries + veins intima, media, adventitia what are capillaries single layer of endothelial cells attached to basement membrane & permeability is determined by tightness of the cells connect describe the lymphatic structure they resemble veins, have thin walls flow = pressure/resistance blood pressure = flow x resistance Resistance = pressure/flow velocity + laminar + turbulent velocity of blood flow varies with the total cross-sectional area of the vascular bed wall tension + compliance Laplace's law: distending pressure is the difference between the pressures on either side of the vessel Dynamics in the Microcirculation: Capillaries and Lymphatics diffusion + filtration how is blood flow controlled through central and intrinsic mechanisms what are central mechanisms that control blood flow blood flow regulated by the ANS & locally by the organ or tissue what is the intrinsic mechanism that controls blood flow? autoregulation how is lymphatic flow controlled flow is maintained by contracting when stretched with lymph intraluminal valves prevent backflow external compre