nutrition

Question 1

What is nutrition?

Answer 1

The study of food, what it is made up of, how much the body needs and how that food affects the body.

Question 2

Define food.

Answer 2

Any substance solid or liquid that contains nutrients.

Question 3

What is a nutrient?

Answer 3

Any substance that can be digested and used by the body.

Question 4

What is a balanced diet?

Answer 4

A diet that contains all the nutrients in the correct proportion for the needs of the body.

Question 5

List the six nutrients.

Answer 5

• Protein
• Fat
• Carbohydrates
• Vitamins
• Minerals
• Water

Question 6

What does composition refer to in nutrition?

Answer 6

What the nutrient is made up of.

Question 7

What does classification refer to in nutrition?

Answer 7

Putting nutrients into classes or groups.

Question 8

What are the sources of nutrients?

Answer 8

Where the nutrient is found.

Question 9

What are the functions of nutrients?

Answer 9

What does the nutrient do in the body.

Question 10

What is a deficiency disease?

Answer 10

An illness we get if we do not have enough of a nutrient.

Question 11

What elements make up protein?

Answer 11

• Carbon
• Hydrogen
• Oxygen
• Nitrogen

Question 12

What are the two classifications of protein?

Answer 12

• Animal protein/HBV protein
• Vegetable protein/LBV protein

Question 13

What are the functions of protein?

Answer 13

• Growth and repair of all body cells
• Makes hormones, enzymes, and antibodies

Question 14

Why are vegetable sources of protein considered better than animal sources?

Answer 14

• Contain less fat
• Contain more fibre
• Cheaper to produce
• Less land needed for production

Question 15

What is photosynthesis?

Answer 15

The process by which carbohydrates are made in plants.

Question 16

What are the three groups of carbohydrates?

Answer 16

• Sugar
• Starch
• Cellulose or Fibre

Question 17

What is cellulose/fibre and its importance?

Answer 17

Helps move food along the digestive system and prevents bowel cancer.

Question 18

What are the three elements that compose fats?

Answer 18

• Carbon
• Hydrogen
• Oxygen

Question 19

What are the two types of fats?

Answer 19

• Saturated fats
• Unsaturated fats

Question 20

What is the recommended maximum intake of fat for an average adult?

Answer 20

No more than 70 g of fat per day.

Question 21

What are the sources of calcium?

Answer 21

• Milk
• Cheese
• Yoghurt
• Tinned fish
• Green vegetables
• Fortified products

Question 22

What is the function of calcium?

Answer 22

Builds strong healthy bones and teeth.

Question 23

What deficiency disease is caused by a lack of calcium?

Answer 23

Rickets.

Question 24

What is a common deficiency disease associated with iron?

Answer 24

Anaemia.

Question 25

What are the symptoms of anaemia?

Answer 25

* Tiredness * Dizziness * Paleness * Shortness of breath * Headaches

Question 26

What is the function of sodium in the body?

Answer 26

Helps control water balance.

Question 27

What are the two groups of vitamins?

Answer 27

* Fat-soluble vitamins * Water-soluble vitamins

Question 28

What is hypervitaminosis?

Answer 28

A condition caused by excessive intake of fat-soluble vitamins.

Question 29

What is the composition of water?

Answer 29

Each water molecule contains hydrogen and oxygen in a 2:1 ratio.

Question 30

What is the recommended daily water intake?

Answer 30

2 litres or eight glasses of water per day.

Question 31

What are the properties of water?

Answer 31

* Boils at 100°C * Freezes at 0°C * Can be solid, liquid, or gas

Question 32

What are some sources of water?

Answer 32

* Most foods * Drinks such as water, milk, juices