O-LevelBiologyCoordination & Response5090/11 · Oct/Nov 2014 · Q191 Mark

The diagram shows a dialysis machine. In a person whose health problems affect only the kidneys, which substances will move as shown at P and Q?

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AP: glucose, Q: protein

BP: glucose, Q: urea

CP: some salts, Q: protein

DP: some salts, Q: urea

✓ Correct answer

D: P: some salts, Q: urea

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Topic: Coordination & Response, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2014 Paper 1 Variant 1, question 19.

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