Doctors use a functional MRI scan before an operation close to two regions of a patient's brain. The scan measures the change in blood flow while the patient completes each task.
| Task | Change in blood flow in region P / % | Change in blood flow in region Q / % |
|---|---|---|
| Choosing a missing word to complete a sentence | 11 | 2 |
| Remembering the positions of six shapes | 9 | 1 |
| Tapping each finger in a precise sequence | 3 | 13 |
Name region P.
Explain how the results could help the surgeon reduce the risk of permanent problems after the operation.
4 exam-style questions on AQA GCSE Biology 5.2.2 The brain. Each one has a worked solution and a mark scheme showing where the marks go.