Biology heath and desease

Question 1

what determines if somone is in good health?

Answer 1

a state of complete physical, social and mental well-being

Question 2

What is Correlation ?

Answer 2

Correlation
* Is the relationship between two variables that affect each other e.g. Both
increase or decrease at the same time
* Correlation can be positive or negative
* There could also be no correlation.

Question 3

What is Causation?

Answer 3

Causation
* When a change in one variable is responsible for a change in another
variable

Question 4

What does Mental well being?

Answer 4

Mental well being
* How you feel about yourself

Question 5

What does Social well being?

Answer 5

Social well being
* How well you get along with other
people and your surroundings

Question 6

What does Physical well being?

Answer 6

Physical well being
* Being disease free
* Sleeping well
* Regular exercise
* Limiting intake of harmful chemicals
or substances like alcohol or drugs

Question 7

What is a disease?

Answer 7

• A disease is a problem with the body not caused by injury
• Examples: diabetes, gingivitis, tuberculosis, HIV.
• A disease can be caused by microorganisms
• For example: the flu virus causes high temperature (fever), sneezing, aches and
  pains.
• Microorganisms that cause diseases are called pathogens

Question 8

What are the four major types of pathogen?

Answer 8

bacteria
fungi
protozoa
virus

Question 9

What are communicable disease?

Answer 9

Communicable diseases are diseases that can pass from one person to another
e.g. caused by a pathogen

Question 10

What are non-communicable disease?

Answer 10

Non-communicable diseases are diseases that cannot be passed from person to
person e.g. cause by genetics, lifestyle choices

Question 11

How does having one disease cause more diseases?

Answer 11

• Damage to the immune system – if the immune system is affected by a disease
  it is easier for other pathogens to cause disease
• Diseases make the immune system weaker – when a person has a disease,
  the body’s natural barriers and defenses are weaker so other pathogens can
  attack more easily
• A disease damages or stops an organ system from working, so other diseases
  are more likely to occur

Question 12

What is Malnutrition?

Answer 12

poor diet

Question 13

What are the 4 diseases caused by deficiency and name the nutrient they are deficient from?

Answer 13

Kwashiorkor disease from protein deficiency

Rickets Vitamin D deficiency

Scurvy Vitamin C deficiency

Anaemia Iron Deficiency

Question 14

What are the symptoms of protein and name a good source of protein in a diet?

Answer 14

Symptoms of disease :
Enlarged belly,
small muscles,
failure to grow properly

Good sources in diet:
Meat
Fish
Dairy
Eggs

Question 15

What are the symptoms of Vitamin D and/ or calcium and name a good source of Vitamin D and/ or calcium in a diet?

Answer 15

Symptoms of disease:
Soft bones
curved leg bones

Good sources in diet:
Oily Fish
Dairy Products

Question 16

What are the symptoms of Vitamin C and name a good source of Vitamin C in a diet?

Answer 16

Symptoms of disease:
Swelling and bleeding gums,
muscle and joint pain,
tiredness

Good sources in diet:
Citrus fruit e.g. orange
vegetables e.g. Broccoli

Question 17

What are the symptoms of Iron and name a good source of Iron in a diet?

Answer 17

Symptoms of disease:
Red blood cells that are smaller than normal and reduced in number,
tiredness

Good sources in diet:
Red Meat
Dark Green leafy vegetables
Egg Yolk