Biology diseases

Question 1

What is health?

Answer 1

A state of mental and physical well-being

Question 2

How are communicable diseases transmitted/ contracted?

Answer 2

Normally through other people but can also be affected by certain lifestyle factors like hygiene and environment

Question 2

What is an example of an air-borne disease?

Answer 2

Tuberculosis, flu

Question 3

Example of a food and drink disease?

Answer 3

Cholera, salmonella

Question 4

How are diseases like verrucas, warts and athletes foot contracted?

Answer 4

Through direct contact

Question 5

How do you prevent sexually transmitted diseases?

Answer 5

Condoms, regular health checks

Question 6

What disease can be caused by breaks in the skin?

Answer 6

Tetanus

Question 7

What is an example of a vector disease?

Answer 7

Malaria

Question 8

What are the three types of human defence responses?

Answer 8

Phagocytosis
Antibodies
Anti toxins

Question 9

Summarise one of the first ever experiments on sanitisation.

Answer 9

Doctors were spreading diseases from the morgue to maternity ward
Doctors started washing their hands
Maternal deaths decreased as a result

Question 10

What is one disease plants can contract?

Answer 10

Tobacco mosaic virus

Question 11

What is an example of tobacco mosaic virus in plants?

Answer 11

Discolouration

Question 12

What is an antibody?

Answer 12

A protein produces by WBC in response to a foreign substance in the body

Question 13

What is an antitoxin?

Answer 13

An antibody produces in response to a bacterial toxin

Question 14

What is the definition of a disease?

Answer 14

A disorder which affects living organisms, a specific cause and particular signs and symptoms

Question 15

What is the immune response?

Answer 15

The response of the immune system to foreign antigens. Antibodies are produced to destroy said foreign cells

Question 16

What is immunity?

Answer 16

The way WBC and antibodies enable the body to combat infection

Question 17

What is an infection?

Answer 17

The invasion of any living organism by disease-causing microorganisms

Question 18

What is a pathogen?

Answer 18

Microorganism which causes disease

Question 19

What is phagocytosis?

Answer 19

When foreign particles in the body are engulfed and broken down by phagocytes

Question 20

What is a toxin?

Answer 20

A poison made by a living organism, especially a bacterium

Question 21

What is a communicable disease?

Answer 21

A disease which can be transferred between organisms

Question 22

What is a non communicable disease?

Answer 22

A disease which cannot be transferred between organisms

Question 23

What is an example of a non communicable disease?

Answer 23

Cancer, diabetes, heart disease, neurological disorders

Question 24

What are the two types of tumour?

Answer 24

Benign and malignant

Question 25

What is a benign tumour?

Answer 25

Grows slowly and within a membrane so can be easily removed, doesn’t invade other parts of the body

Question 26

What is a malignant tumour?

Answer 26

Grows quickly, Invades other tissue and can spread to other parts of the body in the blood, as the tumour grows, cancer cells detach and grow in other parts of the body

Question 27

What is a carcinogen?

Answer 27

A substance that causes cancer

Question 28

What is coronary heart disease?

Answer 28

A disease affecting the coronary arteries, affect supply of blood

Question 29

What is a deficiency disease?

Answer 29

Any disease caused by inadequate intake of essential nutrients, generally vitamins, minerals and amino acids

Question 30

What is herd immunity?

Answer 30

When a large % of the population is immune to a diseases, spread is reduced

Question 31

What type of illness can antibiotics treat?

Answer 31

Bacterial NOT viruses

Question 32

How does a vaccine work?

Answer 32

Weakened form of disease injected into the body
Body creates antibodies to fight them off
If the actual disease attacks, antibodies can destroy them