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The hydrostatic pressure of blood in a capillary is 19 mmHg and that of the tissue fluid is 1 mmHg while the colloid osmotic pressure of the blood is 23 mmHg and that of the tissue fluid is 0 mm Hg?
Huntingp5
taken up; -5 mmHg
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∙ 14y ago
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The most important force driving reabsorption at the venous end of a capillary is?
Blood colloid osmotic pressure
What reflects balance between the direction and amount of fluid that flows across capillary walls?
Hydrostatic and osmotic pressure.
How do net hydrostatic pressure and net osmotic pressure each change along the length of a capillary?
Net osmotic pressure stays about the same and net hydrostatic pressure decreases.
Which force favors blood filtration?
Capillary hydrostatic pressure and interstitial fluid osmotic pressure
What is filtration pressure?
is the force responsible for moving fluid across capillary walls. It is the difference between net hydrostatic pressure and net osmotic pressure. NFP= Net hydrostatic pressure - net osmotic pressure
Filtration results when substances are forced through capillary walls by osmotic pressure?
Filtration results when nutrients are moved through the capillary walls by hydrostatic pressure. Hydrostatic pressure in the capillaries is greater than the osmotic pressure so there is a net movement of fluid and/or solutes out of the capillaries.
Why water and dissolved substances leave the arterioles end of the capillary and enter the venule end?
Water and dissolved substances leave the arteriole end of the capillary due to hydrostatic pressure being higher than osmotic pressure and enter the venule of the capillary due to osmotic pressure being higher than hydrostatic pressure.
Water and solutes flow form the arteriole end of the capillaries into the tissues due to what?
Hydrostatic pressure(inside capillary) is higher than osmotic pressure it re-enters the capillary on venule end because inside the hydrostatic pressure is now lessthan osmotic pressure drawing water back in
What is the normal net filtration pressure?
is the force responsible for moving fluid across capillary walls. It is the difference between net hydrostatic pressure and net osmotic pressure. NFP= Net hydrostatic pressure - net osmotic pressure
Which are the two forces that primarily control capillary fluid exchange?
osmotic and hydrostatic forces
Because net inward pressure in venular capillary ends is less than net outward pressure of the arteriolar ends of capillaries?
The net inward pressure in venular capillary ends is less than the net outward pressure in arteriolar ends of capillaries because of two main factors: the hydrostatic pressure and the osmotic pressure. In venular capillary ends, the hydrostatic pressure is reduced due to the resistance of the venous system, while the osmotic pressure remains constant. In arteriolar ends, the hydrostatic pressure is higher due to the force exerted by the heart and the osmotic pressure remains the same. As a result, more fluid is filtered out of the capillaries at the arteriolar ends than is reabsorbed at the venular ends.
What is the relation of the donnan effect to osmotic pressure on capillary and on pH?
the effect of Donnan effect to osmotic pressure on capillary is that it gives the capillary the ability to *some text missing*
