Energy And Nutrients

Question 1

Why is energy needed?

Answer 1

Physical activity and making muscles move.
Maintaining constant temperature.
Bodily functions such as heartbeat,breathing and digestion.
Growth and repair of the body tissues.
Meeting specific needs at particular times-pregnancy,lactation and during recovery from an illness.

Question 2

What are the three nutrients that provide energy?

Answer 2

Protein.
Fat.
Carbohydrates.

Question 3

What factors affect energy requirements?

Answer 3

Basal metabolic rate(BMR).
Physical activity level.
Age.
Gender.
Specific needs-pregnancy/lactation.

Question 4

What can being overweight increase risk of developing?

Answer 4

Obesity.
Type 2 diabetes.
Coronary heart disease.

Question 5

What are cooking methods to increase or decrease energy intake?

Answer 5

Adding fat to food-butter to potatoes.
Grilling foods.
Thinking about how you cook food.
Sugar substitutes can be used to reduce the energy value of drinks and other dishes.
Foods that carry a high proportion of water are low in energy as water doesn’t contain energy.

Question 6

How much exercise per week should we be doing?

Answer 6

75 minutes of vigorous or 150 minutes of moderate physical activity.