8.3 Environmental diseases

Question 1

Environmental diseases

Answer 1

-not caused by pathogens
-not infectious or contagious
-caused by the environment or lifestyle of the organism

Question 2

diet

Answer 2

The food an individual eats

Question 3

Nutrition

Answer 3

the nutrients that is obtained from the diet

Question 4

malnutrtion

Answer 4

-occurs due to unbalanced diets
-could be due to over or under nutrition

Question 5

scurvy

Answer 5

-caused by the lack of vitamin c
-symptoms include bleeding gums, teeth falling out and sore joints

Question 6

Rickets

Answer 6

-Lack of vitamin d
-symptoms include soft bones that bend under the mass of the body
-can worsen if there is an insufficient amount of calcium and phosphate in the diet.

Question 7

kwashiokor

Answer 7

-Caused by lack of protein
-Causes brain and muscle developments to be slowed
-symptoms include pot belly, weak stomach muscles, lack of energy and hair loss
-60% fatality rate

Question 8

obesity

Answer 8

-overweight is a term used when more fat is stored in the body than considered healthy
-BMI calculations indicate if someone is healthy or not.
-mass(kg)/high (m^2)

Question 9

High blood pressure

Answer 9

-caused by too much salt consumption
-high levels of salt can lead to kidney damage and high blood pressure
-can cause a heart attack (part of the heart is oxygen deprived and dies) and stroke(blood pressure is blocked to part of the brain and it dies.

Question 10

Insulin

Answer 10

-Insulin is a hormone that triggers cells to take up glucos, without insulin glucose is built up in the blood and the cells are starved of energy

Question 11

type 2 diebetes

Answer 11

• caused by insensitivity to insulin
• often caused by exess consumptions of sugary foods causing the body to be resistant or insensitive to insulin
  -can be managed through a diet or exercise

Question 12

Type 1 diabetes

Answer 12

• caused by the immune system attacking b cells of the pancreas which prevents insulin production
  -can be managed through insulin injections and blood tests
• often caused by genetics