A-LevelBiologyTransport in mammals9700/12 · Oct/Nov 2023 · Q311 Mark

The graph shows the changes in blood pressure and water potential across a blood capillary from the arterial end of the capillary to the venous end of the capillary. [Figure 31.1] What could result in an accumulation of excess tissue fluid?

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Aan increase in concentration of large proteins in the blood plasma

Ban increase in blood pressure

Cdecrease in the concentration of small proteins in tissue fluid

Ddecrease in blood pressure

✓ Correct answer

B: an increase in blood pressure

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Topic: Transport in mammals, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, Oct/Nov 2023 Paper 1 Variant 2, question 31.

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