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PASS BOOK
Ch 7 Hemodynamics
18
Physics
Undergraduate 2
10/26/2015

Additional Physics Flashcards

 


 

Cards

Term
The 2 categories of energy that make up total fluid energy are:
Definition
Potential and kinetic energy
Term
The rule that states "fluid is neither created nor destroyed as it flows through a tube is the:
Definition
Continuity Rule
Term
As resistance of blood flow through the artery increases, the pressure drop across the artery will:
Definition
Increase
Term
As the vessel lumen size decreases, blood flow velocity will:
Definition
Increase
Term
When the vessel lumen size increases, blood flow velocity will:
Definition
Decrease
Term
If the radius of a blood vessel is decreased by one half, the velocity of the blood flow will:
Definition
Increase four fold
Term
The inverse relationship between pressure and velocity is described by:
Definition
Bernoulli's equation
Term
A high Reynold's number indicates _____ flow.
Definition
Turbulent
Term
The primary contributing factor(s) to venous blood flow in the upper and lower extremity include:
Definition

Heart contraction

 

Intraluminal BP

 

Peripheral resistance in the capillary bed

 

 

Term
When collateral blood flow develops, resistance at the level will:
Definition
Decrease
Term
When a patient with a stenotic lesion is exercised, the pressure gradient at the site of the stenosis will:
Definition
Increase
Term
Which of the following is NOT a function of veins:
Definition
control oxygen to the legs
Term

Transmural pressure is the difference or gradient between the intramural and tissue pressure

 

TRUE or FALSE

Definition
TRUE
Term
When tissue pressure exceeds intramural pressure, the veins will:
Definition
Compress
Term
If the right atrial pressure or central venous pressure is increased, the veins in the body usually are:
Definition
Dilated
Term
What does NOT elevate right heart pressure:
Definition
MR
Term
Which mechanism most reduces intramural and transmural pressure in the veins of a normal patient:
Definition
Calf muscle pump
Term
The factors affecting the blood flow within the body include:
Definition

Density of the blood

 

Velocity of flow

 

Size of the vessel

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