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A positive pressure is applied to the blood compartment or a negative pressure established in the dialysate compartment. This process in dialyses is called ______________(a) nano filtration(b) mega filtration(c) micro filtration(d) ultra filtrationThe question was posed to me in an online quiz.This intriguing question originated from Potentiometric Recorder in section Recording System of Biomedical Instrumentation

Answer»

Right option is (d) ultra filtration

For explanation: The volume of body fluid cannot be controlled by dialysis. Instead, ultra-filtration ACROSS the membrane is employed. For this, a positive PRESSURE is applied to the blood COMPARTMENT or a negative pressure established in the dialysate compartment. Either WAY, fluid—both WATER and electrolytes—will move from the blood compartment to the dialysate, which is subsequently discarded.



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