Cancer Flashcards Preview

Biology Paper 1: Chapter 7 - Non-Communicable Diseases > Cancer > Flashcards

Flashcards in Cancer Deck (8)
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1

Cells in the Body Divide on a Regular Basis but a __________ Forms when Control of this is Lost and Cells _______ in an Abnormal Way.

Tumour...Grow...

2

Benign Tumours are Growths of _____________ Cells Contained in One Place, Usually Within a _____________.

Abnormal...Membrane...

3

Malignant Tumour Cells can Spread around the Body, Invading Neighbouring ___________ Tissues. A Malignant Tumour is Referred to as ___________.

Healthy...Cancer...

4

Cancer Cells not only Divide more ___________ than Normal Cells, they also Live __________.

Rapidly...Longer...

5

Causes of Cancer?

- Clear Genetic Risk Factors for Some Cancers.
- Most Cancers are the Result of Mutations.
- Ionising Radiation, such as UV Light and X-Rays.
- 15% of Human Cancers are Caused by Virus Infections.

6

What are the Two Ways to Treat Cancer?

- Radiotherapy.
- Chemotherapy.

7

What is Radiotherapy?

When the Cancer Cells are Destroyed by Targeted Doses of Radiation, which Stops Mitosis in the Cancer Cells.

8

What is Chemotherapy?

Where Chemicals are Used to Stop Cancer Cells Dividing or Make Them 'Self-Destruct'.