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What 2 parameters are responsible for creating the movement filtration and reabsorption of fluid across the capillary wall?
membranes and osmosis pressures
What is the Capillary fluid shift mechanism?
exchange of fluid that occurs across the capillary membrane between the blood and the interstitial fluid. This fluid movement is controlled by the capillary blood pressure, the interstitial fluid pressure and the colloid osmotic pressure of the plasma. Low blood pressure results in fluid moving from the interstitial space into the circulation helping to restore blood volume and blood pressure.
When the osmotic pressure in a capillary exceeds the blood pressure in the capillary what is the net movement of fluid?
water and waste will move in capillary . water and waste will move in capillary .
Which forces affect the exchange of substances between blood and tissue fluid?
At the proximal end of capillary, you get the fluid out in the tissue fluid due to blood pressure. At the distal end of the capillary, you get back the tissue fluid due to oncotic pressure of the blood proteins.
What is capillary reabsorption?
fluid entering the capillary
What forces move fluid from intracellular to extracellular spaces?
Osmotic pressure is the main force that drives fluid movement from intracellular to extracellular spaces. It is influenced by the concentration of solutes inside and outside the cell. Additionally, hydrostatic pressure gradients across cell membranes can also contribute to fluid movement between intracellular and extracellular compartments.
What is exchange between plasma and interstitial fluid compartments that takes place across the capillary membrane?
gas exchange
When the blood pressure in a capillary exceeds the osmotic pressure in the capillary what is the net movement of fluid?
The movement should be OUTWARD toward the interstitial fluid. This is because the blood pressure is greater than the osmotic pressure (or more correctly the onconic/colloid pressure, since the membrane is actually quite permeable to ions but is not permeable to plasma proteins), and thus fluid (water and ions, along with other small molecules) can flow OUT of the capillary bed.
Will an increase in capillary pressure shift fluid into the capillaries?
An increase in capillary pressure will shift fluid into or out of the capillaries
What are the function of capillary?
the movement of a liquid along the surface of a solid caused by the attraction of molecules of the liquid to the molecules of the solid
Where does fluid reabsorb into the capillary?
Fluid reabsorbs into the capillary primarily at the venous end of the capillary bed. This process occurs due to the balance of hydrostatic and osmotic pressures; as blood pressure decreases along the capillary, the osmotic pressure from plasma proteins draws fluid back into the capillary. This reabsorption is crucial for maintaining blood volume and tissue fluid balance.
Which forces act to move fluid back into the capillary reabsorption?
Osmotic pressure is what draws fluid back into the capillary from the tissues.
