10 Questions
Which factor controls how much fluid is filtered across capillary walls?
Hydrostatic pressure
In Poiseuille's relationship, resistance to blood flow is most influenced by which factor?
Radius of the blood vessel
What type of blood flow occurs in long straight vessels under steady flow conditions?
Laminar flow
What does the Reynolds number predict in the cardiovascular system?
Turbulent flow
What happens to Reynolds number with severe anemia?
It increases
Which factor plays a major role in causing turbulent flow at the site of a blood clot?
Blood velocity
What characteristic best describes shear stress in laminar blood flow?
It disrupts laminar flow causing turbulence
Which condition is likely to lead to a cardiac murmur as described in the text?
'NRe' greater than 4000
'R = 8Lη/πr4' expresses the relationship between resistance and which factor?
'r4' - Radius of the vessel to the 4th power
'ΔP' represents what concept in cardiovascular hemodynamics?
Pressure difference across the vascular bed
Learn about the impact of changes in contractility on pressure-volume loop, the connection between venous return and cardiac output, and the role of central and peripheral venous pressure in venous return. Explore the general organization of peri... in cardiac function.
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