Lecture 2

Question 1

provides energy but is NOT a nutrient

Answer 1

alcohol

Question 2

food provides us w

Answer 2

nutrients

Question 3

essential nutrients come from

Answer 3

come from

• food (fortified also)
• phytochemicals
• zoo chemicals
• natural health products

Question 4

essential nutrients

Answer 4

cannot he synthesized by your body and must be provided by diet

Question 5

6 classes of nutrients:

Answer 5

1. carbs
2. lipids
3. proteins
4. water
5. vitamins
6. minerals

Question 6

calorie

Answer 6

unit of energy

- amount of energy required to warm 1g h20 up by 1 degree celsius

Question 7

macronutrients

Answer 7

nutrients needed in large amounts (give us energy)

Question 8

kcal for carbs

Answer 8

4 kcal of energy/g

Question 9

kcal for fats

Answer 9

9kcal of energy/g

Question 10

kcal for proteins

Answer 10

4kcal of energy/gram

Question 11

kcal

for alcohol

Answer 11

7kcal of energy/g yet no nutritional value ..

Question 12

micronutrients

Answer 12

vitamins and minerals

Question 13

vitamins

Answer 13

organic molecules our body needs to fcn (contain carbon)

Question 14

minerals

Answer 14

inorganic molecules our body needs to fcn (from periodic table)
-(don’t provide energy but essential for different bodily fcns)

Question 15

vitamins help the body…

Answer 15

use the energy from CARBS, FATS, and PROTEINS

Question 16

vitamins are involved in:

Answer 16

bone growth, vision, blood clotting, O2 transport, tissue growth and development l, myelination m, methylation, genetics, etc.

Question 17

Minerals are needed for:

Answer 17

bone strength, transport of 02, and transmission of nerves impulses

Question 18

water is a

Answer 18

macronutrient but doesn’t provide energy

Question 19

our body is made up of ___ % water

Answer 19

60%

Question 20

water provides eight environment for:

Answer 20

chem rxns, regulations of body temp, cell growth, hormone signaling, nutrient transport

Question 21

adequate

Answer 21

having SUFFICIENT amounts of NUTRIENTS to maintain health

Question 22

moderate

Answer 22

watching portion sizes and frequency of food consumption

Question 23

balanced

Answer 23

mix & match food

choices to ensure adequate nutrient intake

Question 24

varied

Answer 24

(no super foods) need to eat variety of food to ensure adequate nutrient intake

Question 25

undernutrition

Answer 25

defiance of energy and nutrients

Question 26

overnutrition:

Answer 26

excess nutrients

Question 27

over nutrition can cause…

Answer 27

adverse toxic rxns.

- doesn’t always have immediate toxic effects

Question 28

over nutrition causes by

Answer 28

contaminants

• manufacturing (mercury)
• supplements (Vit A)

Question 29

y ppl choose healthy / un healthy foods

Answer 29

• availability & accessibility

- personal preference

Question 30

who can i trust?

Answer 30

• educated ppl w credentials (DIETICIANS & NUTRITION PROFESSIONALS W ADVANCED DEGREES)
• government
• professional organizations
• perf reviews journal articles

Question 31

don’t trust for info

Answer 31

• nutritionist (not a protected label in canada)
• media
• doctor (yes but may have little nutrition knowledge and refer u to dieticians)