A-LevelBiologyTransport in mammals9700/12 · Oct/Nov 2013 · Q281 Mark

What occurs during ventricular systole in a mammalian heart? 1 aortic pressure increases 2 atrial pressure does not change 3 ventricular pressure increases

A1 and 2

B1 and 3

C2 and 3

D3 only

✓ Correct answer

B: 1 and 3

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Topic: Transport in mammals, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, Oct/Nov 2013 Paper 1 Variant 2, question 28.

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