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Increased sodium and chloride ion concentrations in the interstitial fluid of the renal medulla is the result of countercurrent mechanisms
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∙ 15y ago
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Countercurrent below the Gulf Stream has been confirmed In what direction is this current most likely to flow?
southwest
What is the aim of the countercurrent flow in the hemodialysis dialyzer?
In creating hemodialysis dialyzers, either a countercurrent or cocurrent flow can be used between the unfiltered blood and the dialysate used to clean the blood. Using a differential material balance (fluid mechanics) on the fluid and solute entering and leaving the device, the molar flow rate of the blood into the dialysate can be calculated. Without showing the math behind it, countercurrent flow if more efficient at cleaning the blood than cocurrent flow in a hemodialysis dialyzer. The reason for this is because the countercurrent flow allows the outlet concentration of the dialysate to exceed the outlet concentration of the blood, and approach the inlet concentration of the blood. With cocurrent flow, the exit concentration of the dialysate is slightly less than the outlet concentration of the blood, but much less than the inlet concentration. Physically speaking, countercurrent flow optimizes the concentration gradient throughout the length that the dialysate and blood are flowing next to one another. This causes more urea to diffuse through the membrane within this length, allowing the blood to be cleaned faster than cocurrent flow.
The existence of a countercurrent below the Gulf Stream has been confirmed In what direction is this current most likely to flow?
Southeast
Why Blood cannot flow out during dialysis process?
during dialysis the blood is is flowin through a closed system
What is a Machine that controls renal blood flow?
I think dialysis
How countercurrent flow aids a fish in obtaining oxygen?
Many fish use countercurrent exchange in their gills to transfer oxygen from the surrounding water into their blood. This system moves water flowing across the gills, in an opposite direction to the blood flowing in gill capillaries creating the maximum efficiency of gas exchange. This flow ensures that blood is always brought near to water having a higher oxygen concentration.
What is the Flow rates for blue dialysis needles?
Between 450 and 500 mm/min.
What is countercurrent breathing?
Cromwell current
An example of a countercurrent is the?
Cromwell current
What is countercurrent multiplier mechanism?
The Loop of Henle
What is the purpose of a flow meter?
The purpose of a flow meter is to measure the flow of either air or water. They allow one to measure the total volume of air or liquid flow and the rate of the flow.
Where in kidney countercurrent mechanism occurs?
rental medulla
