Learning Goal - Vascular Function
11 important questions on Learning Goal - Vascular Function
Resistance and compliance in vascular structures
Q = DELTA pressure / Resistance
What is Poiseuille's Law?
- n = viscosity
- l = vessel length
- r = vessel radius
SMALL CHANGES IN RADIUS RESULTS IN LARGE CHANGE IN RESISTANCE
How does vasodilation affect the body?
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What is laminar flow?
What are characteristics of laminar flow?
- Parallel to axis of vessel
- very thin layer of blood in contact with wall does not move, next layer moves slowly with central axis moving the fastest
- flow is silent
How does laminar flow become turbulent?
What is turbulent flow?
How does turbulent flow occur?
Forces affecting capillary circulation
- Diffusion - Gradient based
- Filtration - Starling forces (+)
- Reabsorption - Starling forces (-)
What are starling foces?
How does the lymphatic system contribute?
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