# Shared Flashcard Set

## Details

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

## Additional Physics Flashcards

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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