Health and lifestyle

Question 1

What is a balanced diet?

Answer 1

Eating food containing the right nutrients in the correct quantities.

Question 2

What is a carbohydrate?

Answer 2

The nutrient that provides energy.

Question 3

What does fibre do?

Answer 3

Fibre provides bulk to food to help it keep moving through the digestive system.

Question 4

What are lipids?

Answer 4

Nutrients which provide a store of energy and insulate the body.

Question 5

What are minerals?

Answer 5

Essential nutrients needed in small amounts to keep you healthy.

Question 6

What is a nutrient?

Answer 6

A essential substance that your body needs to survive, provided by food.

Question 7

What is a protein?

Answer 7

A nutrient used for growth and repair.

Question 8

How do you test for starch?

Answer 8

Add iodine solution. If the food turns blue-black, starch is present.

Question 9

How do you test for lipids?

Answer 9

Rub the food on filter paper. If paper turns transparent, lipids are present. In a food solution, add ethanol instead.

Question 10

How do you test for sugar?

Answer 10

Add Benedict’s solution. If solution turns orange-red, sugar is present.

Question 11

How do you test for protein?

Answer 11

Add copper sulphate solution and sodium hydroxide solution. The food contains protein, if solution turns purple.

Question 12

What is the measurement for energy?

Answer 12

Joules

Question 13

What is starvation?

Answer 13

The extreme case of not eating enough.

Question 14

What does obese mean?

Answer 14

Extremely overweight.

Question 15

What is deficiency?

Answer 15

The lack of minerals that causes poor growth.

Question 16

What is the digestive system?

Answer 16

A group of organs that work together to break down food.

Question 17

What is digestion?

Answer 17

The process where large molecules are broken down into smaller molecules.

Question 18

What is bile?

Answer 18

Substance that breaks fat into small droplets.

Question 19

What is carbohydrase?

Answer 19

The enzyme that breaks carbohydrates into sugar molecules.

Question 20

What are catalysts?

Answer 20

Substances that speeds up a reaction without being used up.

Question 21

What are enzymes?

Answer 21

A special protein that can break large molecules into small molecules.

Question 22

What is protease?

Answer 22

The enzyme that breaks down protein into amino acids.

Question 23

What is lipase?

Answer 23

Enzyme that breaks down lipids into fatty acids and glycerol.

Question 24

What is a drug?

Answer 24

A chemical substance that affects the way your body works.

Question 25

What is addiction?

Answer 25

A need to keep taking a drug to feel normal.

Question 26

What are recreational drugs?

Answer 26

Drugs taken for enjoyment.

Question 27

What are medicinal drugs?

Answer 27

Drugs that have a medical benefit to your health.

Question 28

What are withdrawal symptoms?

Answer 28

Unpleasant symptoms a person with a drug addiction suffers from when they stop taking a drug.

Question 29

When you drink alcohol, what happens to your body?

Answer 29

The ethanol, from the alcohol, goes into your bloodstream. It then travels to the brain, where it affects the nervous system.

Question 30

What is ethanol?

Answer 30

The drug found in alcoholic drinks.

Question 31

What is a depressant?

Answer 31

A drug that slows down the body’s reactions by slowing down the nervous system.

Question 32

What is FAS?

Answer 32

Fetal Alcoholic Syndrome
This affects the way a baby’s brain works. This occurs when a pregnant women drinks alcohol. The ethanol can get into the baby’s bloodstream and damage virtual organs.

Question 33

When pregnant what does drinking alcohol increase the risk of?

Answer 33

Drinking alcohol, while pregnant, increases risks of:
Miscarriage
Stillbirth
Premature birth
Low-weight-birth babies

Question 34

What is passive smoking?

Answer 34

Breathing in other people’s smoke.

Question 35

What is a stimulant?

Answer 35

A drug that speeds up the body’s reactions by speeding up the nervous system.