Part 1 - Nutrtition Flashcards

(51 cards)

1
Q

Examples of Monosaccharides

A

Glucose
Fructose
Galactose

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2
Q

Carbohydrate Percentage

A

45-65%

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3
Q

Rich food sources of insoluble fibre

A

Nuts, legumes, seeds and whole grains

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4
Q

Examples of low GI foods

A

Foods that have a GI of 50 or lower

Multigrain bread, oats, soy products

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5
Q

Importance of daily water intake

A

Lubricates the joints
Carries nutrients around the body
Aids in digestion
Regulates temperature

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6
Q

Foods high in water content

A

Fruit and vegetables - 95%

Meat - 50-60%

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7
Q

Factors that affect water consumption

A

Level of activity
Stress levels
Rise of temperature

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8
Q

Nutrient Density

A

The amount of nutrients in comparison to the kilojoules in food

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9
Q

Energy Density

A

Amount of kilojoules per gram in food

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10
Q

Non-nutrient

A

Chemicals in food not needed for growth or energy but important for health

Antibiotics
Probiotics
Phytoestrogens

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11
Q

EAR

A

Estimated Average Requirement

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12
Q

Protein daily intake percentage

A

15-25%

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13
Q

Why are essential amino acids essential?

A

They can not be produced by the body so they must be supplied by food

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14
Q

Why is protein needed in the diet?

A

Growth, maintenance and repair of cells
Secondary source of energy
Production of enzymes

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15
Q

Example of two foods that are incomplete protein but together a complete protein

A

Baked beans on toast

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16
Q

Why is fat important in the diet?

A

Responsible for transporting fat soluble vitamins
Insulin to retain heat
Protection of organs
Energy for bodily functions

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17
Q

Difference between saturated and polyunsaturated fats

A

Saturated is full of hydrogen and is often solid at room temperature

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18
Q

What is cholesterol

A

Cholesterol is essential for life
It is a part of cell structure and hormones
Carried by the blood

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19
Q

What are the two types of cholesterol

A

LDL (low Density lipoprotein) bad

HDL (high density lipoprotein) good

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20
Q

Function of sodium in the body

A

Assists in fluid balance in the body

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21
Q

Effects of excess sodium

A

Thirst and dehydration
High blood pressure
Hypertension
Leading to higher risks of CVD

22
Q

Function of folate

A

Formation of enzymes and red blood cells, metabolism of DNA

23
Q

Rich sources of folate

A

Green leafy vegetables
Whole grain cereals
Chicken liver
Vegemite

24
Q

Why is folate important

A

Pregnant need this the most

Reduces the risk of neural tube defects in the foetus

25
BMR
Basal Metabolic Rate
26
What is BMR
The amount of energy that an individual needs for metabolic processes
27
Iron and vitamin c
Vitamin C assists with the absorption of iron
28
Excess of vitamin c
Water soluble and excess is excreted as urine
29
Functions of iron
Formations of red blood cells Role in carrying oxygen to cells Component of enzymes
30
Rich food sources of iron
Meat Eggs Spinach
31
Main function of antioxidants
Act as scavengers of substances called free radicals which can cause damage to cells Part of the body's defence system against cancer, disease, and ageing illnesses
32
Rich food sources of antioxidants
Fruits such as berries Vegetables such as tomatoes Tea and red wine
33
Illnesses that may be prevented by a diet containing antioxidant rich foods
Cancer Heart disease Ageing
34
Micronutrients that also contain antioxidants
Vitamins A,C and E
35
Low GI food
Has a GI of 50 or lower
36
Non-nutrient
Chemicals in food not needed for growth or energy but important for health
37
Definition of nutrition
Nutrition is the intake of food in relation to the body's requirement
38
Micro nutrients
Vitamins - fat & water soluble | Minerals - trace & major
39
UI
Upper level of intake
40
RDI
Recommended daily intake
41
NRV
Nutrient reference value
42
EAR
Estimated average requirement
43
AI
Adequate intake
44
Non-nutrients
Called phytochemicals Phytoestrogens Antioxidants Probiotics
45
Fats/Lipids daily percentage intake
20-35%
46
Fats/Lipids kj
37 Kj per gram
47
Carbohydrate kj
16 kj per gram
48
Carbohydrates daily percentage
45-65%
49
Protein kj
17 kj per gram
50
Protein daily percentage
15-25%
51
Macronutrients
``` Carbohydrates Protein Fats Fibre Water ```