Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
16 Cards in this Set
- Front
- Back
Cancer |
Sometimes cell differentiation or division goes wrong and cancerous cells are produced. These cells can divide rapidly by mitosis and cause a lump or tumour |
|
Two types of tumours |
Malignant and benign |
|
Malignant Tumour |
Causes cancer, divide rapidly and grow out of control. Can spread from one part of the body to another and form a second cancer (metastasis) |
|
Benign |
Non-cancerous tumour Do not spread to other parts, contained within a membrane. |
|
Signs of cancer |
Lump formed by a tumour, unexplained bleeding, long term cough, loss of weight |
|
Types of cancer |
Over 200 in humans |
|
Screening |
How they look for cancer, feel for a bump or take blood tests, urine tests and x-rays. Also they can use monoclonal antibodies |
|
Mammogram |
X-Ray to check for breast canver |
|
Smear Test |
Looks foe cervical cancer, cells are collected and examined for abnormalitiws |
|
Causes of cancer |
20% by smoking Too much alcohol Hepatitis b and c HPV Genetic disorders Ionising radiation Obesity Ageing |
|
HPV - Human Papillomavirus |
Group of over 100 viruses affect skin and moist linings (cervix, anus, mouth and throat) |
|
Treating Cancer |
Chemotherapy and radiotherapy |
|
Chemotherapy |
Uses powerful drugs to kill cancer cells, stop them spreading. Can kill other nearby cells Side effects: tired, weak, sick and losing hair |
|
Radiotherapy |
Uses x-rays to kill cancer cells, stop them spreading. Can kill other nearby cellsSide effects: tired, weak, sick and losing hair |
|
Palliative |
Relieve the symptoms of a person with terminal cancer |
|
Preventing cancer |
Lead a healthy lifestyle |