Lecture 1: Hemodynamics Flashcards
1
Q
The most influential factors affecting Resistance to blood flow are _____ (of the vessel) and _____.
A
Radius of the vessel Viscosity
2
Q
Reynold’s number (Nre) is used to predict the _____ of blood flow. Laminar flow is N < ____ Turbulent flow is N > ____
A
Turbulence 2000 3000
3
Q
_____ describes how the volume of blood contained in a vessel changes for a given change in pressure. How do arteries and veins compare in this regard?
A
Compliance
Veins have greater compliance because they tend to expand to a greater degree in response to pressure changes and accept larger volumes of blood as a result.