8.3

Question 1

How are calories taken in ?

Answer 1

These calories are taken in from the foods that we eat

Question 2

On average how many calores do males eat a day ?

Answer 2

males consume 2,500kcal per day

Question 3

On average how many calories do females consume a day ?

Answer 3

females consume 2,000kcal per day.

Question 4

Why do as you get older (25) you need less calories ?

Answer 4

Once a person is over the age of 25, their calorie needs begin to fall as their metabolism (chemical processes in the body that keep us alive) slows down.

Question 5

Why does a taller person need more calories ?

Answer 5

because they have more body tissue to provide energy for

Question 6

Why does a more active person need more energy ?

Answer 6

Energy expenditure
This depends on how much exercise an individual does each day. A more active person needs more energy than someone who is less active.

Question 7

How many calores do elite athletes need per day ?

Answer 7

Elite athletes often need more than 2,000 or 2,500kcal per day.

Question 8

What is Basal metabolic rate (BMR) ?

Answer 8

how fast energy is being used by the individual’s body.

Question 9

What are the factors affecting calorie requirments ?

Answer 9

Age 
Height 
Gender 
Basal metabolic rate 
Energy expenditure

Question 10

What are the seven key nutrients ?

Answer 10

Carbohydrates.
Fat.
Protein.
Fibre.
Vitamins.
Minerals.
Water.

Question 11

What a balanced diet ?

Answer 11

A balanced diet is one that contains different types of foods that give us all of the nutrients we need to stay healthy

Question 12

Whys it important to make sure that we have a balanced diet ?

Answer 12

It is important to make sure that we do not have too much of any particular nutrient because this is also unhealthy.

Question 13

What are the reasons for a balanced diet ?

Answer 13

Unused energy is stored as fat in the body. This could lead to obesity, which is linked with serious health problems.

We need to consume suitable amounts of calories to exercise and carry out any other physical activity.

The body needs a variety of nutrients to have the energy to move, grow repair tissue, and stay hydrated.

Question 14

What are the percentages of Fat, carbohydrates and protein recommened for a persons diet ?

Answer 14

Carbohydrates = 55-60% of a person's diet.
Fat = 25-30% of a person's diet.
Protein = 15-20% of a person's diet.

Question 15

Why are cereals good to get fibre ?

Answer 15

Cereals are high in fibre and are good for the digestive system.

Question 16

Why is fibre good for you ?

Answer 16

They help to prevent constipation and to reduce cholesterol (fatty substance).

Question 17

What af dairy products good for ?

Answer 17

Dairy products are an excellent source of calcium

Some dairy products (e.g. cheese) contain vitamin A

Question 18

Why is calcium in dairy good for you ?

Answer 18

supports nerve and muscle function as well as teeth and bone growth.

Question 19

What vitimins do dairy products sometimes contain and what is this vitimin good for ?

Answer 19

contain vitamin A

which is good for skin function and growth.

Question 20

What food is a good source of iron ?

Answer 20

Liver is a great source of iron

Question 21

What is the role of iron in a diet ?

Answer 21

which helps the immune system and contributes to the production of red blood cells (oxygen carrying cells)

Question 22

What do oily fish and eggs provide ?

Answer 22

vitamin D, which is good for keeping bones healthy.

vitamin B, which helps with bodily functions.

Question 23

Why are vitimin D and A good for you ?

Answer 23

vitamin D, which is good for keeping bones healthy.

vitamin B, which helps with bodily functions.

Question 24

What are Citrus fruit and broccoli good for ?

Answer 24

are excellent for the immune system, skin elasticity (stretchiness) and blood vessel function