BI-523
Diffusion
Biology · Secondary 3 · Hard · Diffusion
Dialysis uses a partially permeable membrane to remove urea from the blood of a patient with kidney failure. For urea to be removed quickly, how should the concentration of urea in the dialysis fluid compare with that in the patient’s blood?
- It should be much lower than that in the blood.
- It should be the same as that in the blood.
- It should be slightly higher than that in the blood.
- It should be much higher than that in the blood.
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