Biology: Medical conditions

Question 1

Why is a tumour caused?

Answer 1

When instead of cells dyeing they divide repeatedly and excessively forming a clump of cells

Question 2

What is it called when body functions are disrupted?

Answer 2

Cancer

Question 3

Tumour is a….

Answer 3

mass of cells with no function in the body

Question 4

3 types of tumours

Answer 4

1. Benign
2. Malignant
3. Metastatic

Question 5

what are harmless (non-cancerous) tumours that don’t spread called?

Answer 5

Benign

Question 6

what are metastatic tumours?

Answer 6

tumours that have travelled & grown into other areas of the body

Question 7

what tumour is it when harmful tumours that have the potential to spread through the body?

Answer 7

Malignant

Question 8

4 types of cancers and where they form

Answer 8

1. Carcinoma - forms in epithelial tissue
2. Leukaemia - cancer of blood cells
3. Lymphoma - begins in lymph system
4. Sarcoma - forms in the bones / soft tissue

Question 9

Why are older people more prone to getting cancer? (3 key points)

Answer 9

1. gene mutations are inherited
2. genes start wearing out
3. weaker immune system

Question 10

What causes cancer?

Answer 10

Buildup of genetic changes / mutations

Question 11

How many genes are involved in cancer?

Answer 11

6-9 genes

Question 12

Which cells divide too quickly and where do they go?

Answer 12

Malignant cells. They enter blood, lymph, and tissues

Question 13

which cancer treatment uses high energy rays to kill cancer cells?

Answer 13

Radiation

Question 14

What does surgery do?

Answer 14

Physically remove cancer cells

Question 14

What does chemotherapy treatment do?

Answer 14

Uses anticancer drugs to kill cancer cells

Question 15

Public health: 9 strategies to promote health and prevent disease

Answer 15

1. Vaccinations / immunizations
2. Promotion of healthy lifestyles
3. Promoting public awareness
4. Screening
5. Transplanting organs
6. Gene therapy
7. Cloning
8. Transgenic Techniques
9. Reproductive technologies

Question 16

treatment for metastatic colon cancer

Answer 16

chemotherapy

Question 17

Why to not do DNA screening?

Answer 17

• Detects diseases such as cancer considering of your genes
• Inaccurate results; if someone in your family had cancer doesn’t mean you would too

Question 18

How is West Nile virus spread? Describe 2 public health initiatives that can help protect people from this virus

Answer 18

1. Spread from mosquito bites that already had a disease travels to your body
2. Promote cautions and vaccines