O-LevelBiologyTransport in Humans5090/11 · May/June 2022 · Q201 Mark
Which graph shows the change in concentration of molecules in the dialysis fluid during kidney dialysis? [Figure 20.1]
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
Agraph showing the solid line (urea) increasing and the dotted line (glucose) decreasing over time from the start of dialysis.
Bgraph showing the solid line (urea) decreasing and the dotted line (glucose) remaining constant over time from the start of dialysis.
Cgraph showing the solid line (urea) remaining constant and the dotted line (glucose) decreasing over time from the start of dialysis.
Dgraph showing the solid line (urea) decreasing and the dotted line (glucose) increasing over time from the start of dialysis.
✓ Correct answer
B: graph showing the solid line (urea) decreasing and the dotted line (glucose) remaining constant over time from the start of dialysis.
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