cancer

Question 1

what is cancer?

Answer 1

changes in the DNA of cells, which leads to them dividing uncontrollably.

Question 2

how do cancers arise?

Answer 2

through uncontrolled mitosis

Question 3

what is a cancer gene called?

Answer 3

oncogene

Question 4

what is it called when gene changes occur in the cell?

Answer 4

mutations

Question 5

4 points of a benign tumour

Answer 5

contained in one area
doesn’t invade other parts of the body
slow growing
non cancerous

Question 6

4 points of a malignant tumour

Answer 6

spreads to other parts of the body
are cancerous
grows rapidly from secondary tumours

Question 7

how do tumours form?

Answer 7

uncontrolled cell division

Question 8

how do malignant tumours spread to other body part?

Answer 8

through the blood or lymphatic system

Question 9

what are the 6 risk factors?

Answer 9

smoking
drinking
obesity
uv rays
viruses
genetics

Question 10

what gene do most cancer patients have?

Answer 10

mutated p53 gene (helps control cell growth)

Question 11

what are carcinogens?

Answer 11

agent that causes cancer