Cancer

Question 1

what is a tumour?

Answer 1

•the uncontrolled growth and division of cells due to a result of changes that occur in cells
•This forms a large cluster of cells called a tumour.

Question 2

what are benign tumours?

Answer 2

•tumours that grow until there’s no more room
•they stay in one place, usually with a membrane and do not invade other tissues in the body

Question 3

what are malignant tumours?

Answer 3

*tumours that grow and spread to neighbouring healthy tissue
*cells can break off and spread to other parts of the body by travelling in the bloodstream invading healthy tissue elsewhere in the body forming secondary tumours

Question 4

are malignant tumours cancerous?

Answer 4

yes

Question 5

are benign tumours cancerous?

Answer 5

no

Question 6

why have cancer survival rates increase?

Answer 6

*medical advances such as improved treatment
*being able to diagnose cancer earlier
*increased screening for the disease
-increased education

Question 7

what are some lifestyle risk factors associated with cancer?

Answer 7

•smoking
•obesity
•UV exposure
•viral infection

Question 8

how can genetics be a risk factor for cancer?

Answer 8

people can inherit faulty genes that make them more susceptible to cancer