Factors Affecting Resistance To Flow Flashcards
1
Q
movement of fluid is dependent upon
A
physical properties of the fluid and what its moving through
2
Q
R = 8 nL/ pie r ^4
A
r = resistance n = viscosity r = radius L = vessel length
3
Q
resistance is directly proportional to
A
viscosity and length
4
Q
resistance is inversely proportional to
A
radius
5
Q
although viscosity and vessel length have an effect on resistance, a change in ______ has the most dramatic effect
A
vessel diameter
6
Q
internal friction within a fluid is measured by its
A
viscosity
7
Q
energy lost as
A
heat
8
Q
elevated hematocrit ______ blood viscosity
A
increases
9
Q
severe anemia _______ blood viscosity
A
decrease
10
Q
as hemocrit increases, ____ increases
A
resistance
11
Q
viscosity
A
thickness of a fluid
12
Q
diminishing vessel size ________ frictional forces and heat energy losses
A
increases
