Question 83
FA patient goes to the doctor with severe headaches and problems with their eyesight. The doctor arranges a scan of the patient's head. The figure shows the scan. The arrow points to a tumour.
Figure: A scan showing a slice through a patient's head, with an arrow pointing to a tumour
a.[2]
A tumour is a mass of abnormal cells. Describe how a tumour forms.
b.[2]
Use the figure to suggest why the tumour is causing the patient's headaches and problems with eyesight.
c.[1]
Tests show that the patient also has a tumour in one lung. Doctors think that the tumour in the brain grew from cells that came from the tumour in the lung. Give the name used for a tumour that forms in this way.
d.[2]
Describe how cells from the tumour in the lung could have reached the patient's brain.
e.[1]
Explain what the tumour in the brain shows about the tumour in the patient's lung.
2.2 Animal tissues, organs and organ systems Questions
179 exam-style questions on AQA GCSE Biology 2.2 Animal tissues, organs and organ systems, covering 2.2.1 The human digestive system, 2.2.2 The heart and blood vessels, 2.2.3 Blood, 2.2.4 Coronary heart disease: a non-communicable disease, 2.2.5 Health issues, 2.2.6 The effect of lifestyle on some non-communicable diseases, and 2.2.7 Cancer. Each one has a worked solution and a mark scheme showing where the marks go.