Health and Lifestyle

Question 1

addiction

Answer 1

A need to keep taking a drug in order to feel normal.

Question 2

alcoholic

Answer 2

A person who is addicted to alcohol.

Question 3

anus

Answer 3

Muscular ring through which feces pass out of the body.

Question 4

balanced diet

Answer 4

Eating food containing the right nutrients in the correct amounts.

Question 5

bile

Answer 5

Substance that breaks fat into small droplets.

Question 6

carbohydrase

Answer 6

Enzyme that breaks down carbohydrates into sugar molecules.

Question 7

carbohydrate

Answer 7

Nutrient that provides energy.

Question 8

catalyst

Answer 8

Substance that speeds up a reaction without being used up.

Question 9

deficiency

Answer 9

A lack of minerals, that causes poor growth

Question 10

depressant

Answer 10

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

Question 11

digestion

Answer 11

Process where large molecules are broken down into small molecules.

Question 12

digestive system

Answer 12

Group of organs that work together to break down food.

Question 13

drug

Answer 13

Chemical substance that affects the way your body works.

Question 14

enzyme

Answer 14

Special protein that can break large molecules into small molecules.

Question 15

ethanol

Answer 15

The drug found in alcoholic drinks.

Question 16

fibre

Answer 16

Provides bulk to food to keep it moving through the digestive system.

Question 17

food test

Answer 17

Chemical test to detect the presence of particular nutrients in a food.

Question 18

gullet

Answer 18

Tube that food travels down into the stomach.

Question 19

hypothesis

Answer 19

An idea that is a way of explaining scientists’ observations.

Question 20

large intestine

Answer 20

Organ where water passes back into the body, leaving a solid waste of undigested food called faeces.

Question 21

lipase

Answer 21

Enzyme that breaks down lipids into fatty acids and glycerol.

Question 22

What do we need carbohydrates for?

Answer 22

We need them for glucose which is converted into energy.

Question 23

What do we need lipids for?

Answer 23

We need them to help us store energy.

Question 24

What do we need proteins for?

Answer 24

We need them to create new cells and repair them.

Question 25

What is the role of carbohydrates in your body?

Answer 25

main source of energy

Question 26

What is the role of lipids in your body?

Answer 26

fats and oils provide energy

Question 27

What is the role of proteins in your body?

Answer 27

growth and repair cells and tissues

Question 28

What is the role of vitamins and minerals in your body?

Answer 28

essential in small amounts to keep you healthy

Question 29

What is the role of water in your body?

Answer 29

needed in all cells and body fluids

Question 30

What is the role of fibre in your body?

Answer 30

provides bulk to food to keep it moving through the gut (not actually a nutrient)

Question 31

How do you see if starch is in food?

Answer 31

You add a few drops of idoine solution to it and if the solution turns blue-black it contains starch.

Question 32

How do you see if lipids is in food?

Answer 32

Add a few drops of ethanol into the food solution shake it and leave it for one minute and put the ethanol into a test tube of water; if it is cloudy the food has lipids.

Question 33

How do you see if sugar is in food?

Answer 33

Add a few drops of Benedict's solution and heat it in a water bath; if the solution turns orange-red the food has sugar.

Question 34

How do you see if protein is in food?

Answer 34

Add a few drops of copper sulfate solution and sodium hyproxide solution; if the solution turns purple the food has protein.

Question 35

What fluid do you add to food to test for starch?

Answer 35

iodine solution

Question 36

What fluid do you add to food to test for lipids?

Answer 36

ethanol and then leave it in a test tube with water

Question 37

What fluid do you add to food to test for sugar?

Answer 37

Benedict's solution and heat it in a water bath

Question 38

What fluid do you add to food to test for protein?

Answer 38

copper sulfate solution and sodium hydroxide solution

Question 39

What is a medical drug?

Answer 39

• used in medicine • benefit your health if used correctly • used to treat symptoms or cure illness • some have side effects

Question 40

What is a recreational drug?

Answer 40

• taken for enjoyment/to relax/stay awake • normally have no health benefits • many can be harmful • many are illegal

Question 41

Give examples for medical drugs.

Answer 41

examples include: painkillers, antibiotics, and cough mixture

Question 42

Give examples for recreational drugs.

Answer 42

examples include: alcohol, caffeine, heroine, cocaine, tobacco

Question 43

What type of drug is alcohol and why?

Answer 43

Alcohol is a depressant because it slows down your body’s reactions.

Question 44

Drinking large amounts of alcohol over a long time can cause:

Answer 44

• stomach ulcers • heart disease • reduced fertility • brain damage • liver damage (cirrhosis)

Question 45

Drinking during pregnancy increases the risk of:

Answer 45

• miscarriage • stillbirth • premature birth • low birth weight babies • Fetal Alcohol Syndrome (FAS)

Question 46

What is tar?

Answer 46

tar – clogs the lining of the lungs and alveoli, contains cancer-causing chemicals

Question 47

What is nicotine?

Answer 47

nicotine – an addictive stimulant

Question 48

Why is carbon monoxide bad?

Answer 48

It stops blood from carrying oxygen

Question 49

What is an addiction?

Answer 49

When your body becomes used to the chemical changes caused by a drug and you need to take the drug to feel normal.

Question 50

What is the formula for work?

Answer 50

Work done (J) = force (N) × distance (m)