The Figure shows a CT scan of the brain of a patient with a brain tumour.
Figure

Explain how a CT scan helps doctors to plan treatment for this patient.
Explain why surgery to remove this tumour would be risky.
Doctors may treat this tumour with radiotherapy instead of surgery.
Suggest one limitation of using radiotherapy to treat a brain tumour.
A tumour in the cerebellum causes different symptoms from a tumour in the cerebral hemispheres.
Explain why.
43 exam-style questions on Edexcel GCSE Biology 2.3 The nervous system and brain, covering 2.3.1 Structures and functions of the brain, 2.3.2 Imaging brain function with scanning, 2.3.3 Limitations in treating nervous system damage, 2.3.4 Neurones and impulse transmission, and 2.3.5 Structure and function of a reflex arc. Each one has a worked solution and a mark scheme showing where the marks go.