External Factors

Question 1

what are risk factors

Answer 1

a factor that increases risk or susceptibility

Question 2

what causes coronary heart disease

Answer 2

caused by a fatty plaque building up in the arteries that supply blood to the heart.
- this narrows the arteries and increases the pressure.
- bits of the fatty plaque can break off and block arteries.

Question 3

what are the effects (or symptoms) of coronary heart disease

Answer 3

it can result in cardiac arrest or angina

• cardiac arrest - when the heart suddenly stops beating
• Angina - chest pain or discomfort casued by the reduced blood supply to the heart

Question 4

list 4 risk factors that increase the chances of developing coronary heart disease

Answer 4

• high fat diet
• smoking
• lack of exercise
• alcohol

Question 5

descrbie the 2 main types of diabetes. and what the end result is for both.

Answer 5

type 1 - where bodies immune system attacks insulin producing cells
type 2 - where the bodies cells become insulin resistant.

• both ending in blood glucose levels being dangerously high for too long.

Question 6

what are the effects (or symptoms) of diabetes

Answer 6

• reduced blood flow to limbs
• neurological damage - conditions that disrupt the functioning of the brain, spinal cord and nerves, leading to weakness, paralysis and cognitive impairments.

Question 7

list some risk factors for diabetes.
list 4

Answer 7

• obesity
• high carbohyrate diet
• lack of exercise
• alcohol

Question 8

what casues scurvy, and what are the effects of it.

Answer 8

• caused by the lack of vitamin C.
• effects can be joint pain, swollen bleeding gums, red or blue spots on the skin.

Question 9

list some risk factos for scurvy
list 2

Answer 9

• not having fresh fruit or veg in diet.
• smoking - which reduces the uptake of Vitamin C

Question 10

what is the casue of rickets

Answer 10

lack of vitamin D or calcium

Question 11

what are the effects of rickets

Answer 11

• poor bone growth, weak bones and bone deformities.

Question 12

list some risk factors for rickets

Answer 12

• lack of dairy in diet
• lack of sunlight

Question 13

list the causes of anaemia

Answer 13

• caused by a lack of iron, which is needed to make heamoglobin in erythrocytes, to then transport oxygen to cells.

Question 14

what are the effects of anaemia
list 3

Answer 14

heart palpitations, fatigue and pale skin.

Question 15

what are some risk factors for anaemia

Answer 15

heavy periods, lack of red meat/ green veg in diet.