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puffin0516 puffin0516
wrote...
Posts: 41
12 years ago
How do I calculate the net filtration pressure given these values:


Glomerular hydrostatic pressure:    56mmHg

Blood osmotic pressure:        26 mmHg


Capsular hydrostatic pressure:    15 mmhg


Predict what would happen to NFP in the following situations, i.e. would NFP increase decrease or stay the same?

Decrease in glomerular hydrostatic pressure

Increase in blood osmotic pressure
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wrote...
Valued Member
12 years ago
Use the following formula:

Net filtration = (capillary hydrostatic pressure - interstitial fluid hydrostatic pressure) - (blood Colloid Osmotic Pressure  - interstitial Colloid Osmotic Pressure )
wrote...
12 years ago
Glomerular filtration is a passive, nonselective process in which hydrostatic pressure forces fluids through the glomerular membrane.

The net filtration pressure responsible for filtrate formation is given by the balance of glomerular hydrostatic pressure against the combined forces of colloid osmotic pressure of glomerular blood and capsular hydrostatic pressure exerted by the fluids in the glomerular capsule.

The glomerular filtration rate is the volume of filtrate formed each minute by all the glomeruli of the kidneys combined.

puffin0516 Author
wrote...
12 years ago
THANKS
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