Disease

Question 1

What are pathogens and give examples?

Answer 1

Organisms that can cause disease e.g bacteria and viruses

Question 2

What are infectious diseases caused by and how can they be passed and examples?

Answer 2

Caused by pathogens and can be passed from person to person e.g TB, malaria and HIV

Question 3

What is a genetic defect give example?

Answer 3

Diseases caused by mutations in a person’s genes e.g cystic fibrosis is cause by a mutation in a gene for a protein

Question 4

What can certain lifestyles do and example?

Answer 4

Increase the risk of getting some diseases e.g smokers are more likely to get lung cancer

Question 5

List 3 things disease can be caused by

Answer 5

1. Pathogens
2. Genetic defects
3. Lifestyle

Question 6

What is a risk factor and give example?

Answer 6

Something that increases the chances of something bad happening e.g smoking is a risk factor for heart disease - if you smoke, you’re more likely to get heart disease

Question 7

Do risk factors always lead to disease? Give example

Answer 7

Nope e.g using sun beds is a risk factor for skin cancer - if you use sun beds you increase your risk of skin cancer, but you wont necessarily get the disease

Question 8

Why are some risk factors unavoidable? Give example

Answer 8

Because they’re inherited e.g certain versions of genes increase your risk of getting breast cancer

Question 9

Why are some risk factors avoidable? Give example

Answer 9

Because they’re associated with your lifestyle e.g a diet high in salt is a risk factor for high blood pressure - if you change your lifestyle to reduce your salt intake, you reduce the risk

Question 10

Common lifestyle risk factors and diseases they’re associated with

Answer 10