Hemodynamics

Question 1

Hemodynamics

-concept of how _____ in the vascular system

Answer 1

blood flows

Question 2

_______ law helps us to understand hemodynamics

-it’s related to pressure, length of the vessel and radius of the vessel

Answer 2

poisuille’s

Question 3

poisuille’s law has some limitations as it relates to blood flow

1. assumes blood vessels are ____. Blood vessels are __________
2. Applies to _______ fluid, blood is _______
3. Assumes that the flow in vessel must be ____ and ____, blood flow is _____

Answer 3

rigid; extensible and not rigid

homogeneous; heterogenous

steady and streamlined; pulsatile

Question 4

Peripheral resistance
The greater the PR, the (more or less?) the bloood flow
The greater the raidius,the (more or less?) the PR , the (more or less?) the blood flow

Answer 4

Less

Less

More

Question 5

Areteioles have (high or Low?) resistance hence called ___ vessels

Answer 5

High

resistant

Question 6

Viscosity of blood is _____ proportional to volume of blood

Answer 6

inversely

Question 7

Reynolds= ______

State what each parameter stands for

Answer 7

PDV/n

Density
Diameter
Volume
Viscosity

Question 8

Pressure gradient and blood flow are _______ proportional

Answer 8

directly

Question 9

Poseullei’s law

Q= _________
————————
_______. F fill

Answer 9

(P1-P2)x pie x r^4

(L x n)8