variety, balance + moderation Flashcards

1
Q

define nutrition

A

the science that studies the interactions between living organisms and food.
involves:
ingestion, digestion, absorption, transport, metabolism and excretion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

define diet

A

food and drink intake in the body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

define foods

A

products derived from plants and animals.
ingested in the body to yield energy and nutrients for the growth and repair the tissues

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

name 5 different functions the energy of food can do to the body

A

to grow
to move
to think
to reproduce
repair cells and tissues

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what are the 3 good sources of nutrients

A

proteins
carbohydrates
vitamins and minerals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what are some examples of proteins

A

meat, poultry, fish and yogurt

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what are some examples of carbohydrates

A

rice, cereals, potatoes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what are some examples of vitamins and minerals

A

veg and fruit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

the energy-yielding = carbohydrates

A

4 Kcalories/gram
16.7 Kjoules/gram

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

the energy-yielding = protein

A

4Kcalories/gram
16.7Kjoules/gram

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

the energy-yielding = lipid

A

9Kcalories/gram
37.6Kjoules/gram

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

the energy-yielding = alcohol

A

7Kcalories/gram
29.3Kjoules/gram

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

1kcal =

A

4.2 KJ

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

1KJ =

A

0.24kcal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what generates 6% more energy than lipid per litre of oxygen uptake…

A

carbohydrates

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

what happens to the body when the intense short-duration exercise

A

1-hour decreases liver glycogen by 55%

17
Q

what are 3 roles carbohydrates play in the body

A

energy fuel during intense exercise
metabolic primer/ketosis preventer
central nervous system fuel

18
Q

how much glycogen can the muscle and liver store?

A

muscle = 400g 1600kcal
liver = 90-100kg 400kcal

19
Q

what happens when someone suffers with a carbohydrate-deficient diet

A

rapidly depletes muscle and liver glycogen and negatively affects performance in short-term anaerobic activity and prolonged intense aerobic activities

20
Q

what is stores in active muscle that supplies almost all energy in transition from rest to moderate PA

A

Glycogen

21
Q

name 3 nutrients that don’t provide energy

A

water
vitamins
minerals

22
Q

what percentage of the human body’s weight made up of water?

A

62%

23
Q

how many essential nutrients that we need to stay healthy

A

40

24
Q

the higher the ratio of g/kcal, the higher….

A

the nutrient density

25
Q
A