B1.1.1 Keeping healthy- Diet

Question 1

What is meant by a balanced diet? (2 marks)

Answer 1

• A healthy diet that contains (any two from):
  • the right amount of nutrients or different / all foods
  • the right amount of energy
  • for (individual) needs

Question 2

What does the body use carbohydrates, fats and proteins for? (2 marks)

Answer 2

• to release energy

- to build cells.

Question 3

What does the body need mineral ions and vitamins for? (1 marks)

Answer 3

They are needed in small amounts for the healthy functioning of the body.

Question 4

What does malnourished mean?

Answer 4

The diet is not balanced

Question 5

What can malnourishment lead to? (2 marks)

Answer 5

• a person being overweight or underweight.
• to deficiency diseases
• conditions such as Type 2 diabetes.

Question 6

How can a person lose body mass? (2 marks)

Answer 6

• reduce the energy content of the food taken (needs to be less than the amount of energy used by the body).
• increase the amount of energy expended by the body by exercising

Question 7

What is meant by metabolic rate?

Answer 7

The rate at which all the chemical reactions in the cells of the body are carried out.

Question 8

What factors affect metabolic rate? (2 marks)

Answer 8

• The amount of activity you do
• The proportion of muscle to fat in your body
• Inherited factors
• Gender

Question 9

What is cholesterol?
What is is used for?
What problems can it lead to?

Answer 9

• A type of fat found in the body.
• It can be produced by the liver
• It is used to make hormones and cell membranes.
• Too much can lead to blocked arteries.

Question 10

What is diabetes?

Answer 10

A condition when the amount of glucose in the blood is too high.

Question 11

What is meant by obese? (2 marks)

Answer 11

• Being very overweight,

- Having a BMI of over 30

Question 12

What is meant by overweight? (2 marks)

Answer 12

• Carrying excess fat

- Having a BMI of between 25-30