Macronutrients

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A liquid in which substances can be dissolved is a

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1

A liquid in which substances can be dissolved is a

solvent

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2

Regularly drinking excessive amounts of water can lead to water

intoxication

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3

Body fluids that contain water are saliva + blood+ digestive juices + urine + perspiration and

lymph

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4

Water helps remove body wastes through exhaled water vapour + urine + faeces and

sweat

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5

Water outside the cells is

extra cellular

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6

tissue is about 75 percent water

muscle

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7

tissue is about 20 to 35 percent water

fat

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8

contains water to help lubricate food as you swallow it

saliva

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9

are a lubricant for your eyes

tears

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10

Water serves as a medium for

chemical reactions

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11

Body fluids that regulate body temperature are perspiration and

blood

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12

A substance that reduces friction between surfaces is a

lubricant

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13

Water is a __ product of nutrient metabolism

by

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14

Kidneys form _________________ when they draw water and wastes from the blood

urine

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15

A person who has an abnormal loss of body fluids is said to be

dehydrated

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16

Most people need 2 to 3 ______ of water each day to replace body fluids

litres

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17

A substance that increases urine production is a

diuretic

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18

Water inside the cells is called ___________________ cellular. (prefix)

intra

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19

Water determines the shape + size and firmness of

cells

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20

The human body stores excess protein for future need

FALSE

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21

The amount of protein a person needs is related to his or her activity level

FALSE

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22

Most people in Canada eat more protein than they need

TRUE

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23

Children need proportionately more protein than adults

TRUE

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24

Extra protein is needed to support the growth of unborn babies in pregnant women and the production of milk in breast-feeding mother's

TRUE

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25

In general females require more protein than men of the same age and size

FALSE

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26

A large tall person require more protein than a small short person

TRUE

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27

Sick people require extra protein to build antibodies

TRUE

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28

The RDAs for protein include a margin of safety

TRUE

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29

To meet the RDA approximately 40 percent of daily calories should come from protein

FALSE

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30

The Nutrition Facts panel on food products can help people estimate how much protein they consume each day

TRUE

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31

People who exercise occasionally need extra protein to build muscle and supply energy

FALSE

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32

Athletes should consume more calories from protein than from carbohydrates

FALSE

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33

People can avoid health risks by choosing protein sources that are high in saturated fats

FALSE

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34

Protein differs from carbohydrates and fats because of the __________ it contains

nitrogen

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35

Protein makes up about ____________ percent of your body

18 to 20

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36

When proteins change shape and take on new characteristics_____ has occurred

denaturation

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37

To say the body can synthesize a compound means that it can________________ it

make

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38

There are _________ essential amino acids

9

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39

Proteins that defend the body against infection and disease are

antibodies

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40

The liver converts nitrogen waste from proteins into

urea

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41

Plants that can capture nitrogen from the air and transfer it to their protein-rich seed are

legumes

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42

Complete proteins come from ____________ sources

only animal

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43

Two proteins that together provide all essential amino acids are said to be

complementary

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44

Lipids can be grouped into three main classes

triglycerides and phospholipids and sterols

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45

Triglycerides are the major type of fat found in foods and in the body. Triglycerides consist of

three fatty acids attached to a glycerol molecule

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46

Fatty Acids can be saturated or unsaturated

true

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