Diet (1.2) Flashcards

1
Q

daily recommended calories men/women

A

men - 2,550
women - 1,940
athletes require more

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2
Q

macro nutrients (2)

A

nutrients required in large amounts

e.g carbohydrates, fats, protein

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3
Q

carbohydrates

A

.essential for energy production
.stored in form of glycogen in the liver + muscle sarcoplasm
.simple + complex

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4
Q

simple carbohydrates

A

contain 1 or 2 sugars
monosaccharides / disaccharides
e.g sweets, fizzy drinks, table sugar

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5
Q

monosaccharides

A

contain 1 sugar
fructose - found in fruits
galactose - found in milk

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6
Q

disaccharides

A

contain 2 sugars
sucrose - table sugar
lactose - dairy

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7
Q

complex carbohydrates

A
'starchy foods'
3 or more sugars - polysaccharides
beans
lentils
potatoes
cereals
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8
Q

proteins

A
.milk, eggs, meat, soya
.broken down into amino acids - essential for growth/repair
.21 total 
.12 created by body naturally
.9 from our diet
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9
Q

fats

A

.small amount is a source of essential fatty acids
.high in energy - used for aerobic respiration in certain situations
.saturated or unsaturated

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10
Q

unsaturated fats

A

healthier
nuts, avocados, oils, some fish
can be liquid at room temp (olive oil, fish oil, sunflower oil)

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11
Q

saturated fats

A

unhealthy
dairy, chocolate, pastries
typically solid at room temp

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12
Q

micro nutrients

A

nutrients required in small amounts

vitamin and minerals

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13
Q

minerals

A

essential to maintain bodily functions
e.g zinc, magnesium, iron, calcium
found in meat, cereals, pulses, nuts

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14
Q

vitamins

A

.essential for maintaining natural bodily functions

.fat soluble vs water soluble

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15
Q

fat soluble

A

can be stored in body
eggs, veg oil, animal products
vitamins D,E,K,A

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16
Q

water soluble

A

fruit, veg, grains, milk
cant be stored in body so require regular intake
vitamins C, B

17
Q

Water

A

vital for body functions
regulates temp, transports oxygen/vits/mins/glucose
60-70% of body is water

18
Q

Fibre

A

aids with health/function of intestines
found in cereals, fruit, veg
regulates levels of cholesterol in blood

19
Q

Eat well Plate

A

outlines % of each food category that leads to healthy, balanced diet

20
Q

Eat well plate %

A
33% fruit/veg
33% CHO
14% milk/dairy
12% protein
8% sugary/fatty
21
Q

balanced diet

A
55% CHO
30% fat
10% protein
include foods from '5 a day' for vits/mins
water
22
Q

device used to measure energy values of food

and

energy values of: CHO, protein, fat

A

use a bomb calorimeter
1g carbohydrate = 4kcals
1g protein = 4kcals
1g fat = 9kcals

23
Q

calorie def

A

amount of energy/heat needed to raise temp of 1g of water by 1 degree celcius

24
Q

basal metabolic rate

A

lowest rate of energy needed to sustain body’s essential physiological functions

25
Q

resting metabolic rate

A

lowest rate of energy needed to sustain body’s essential functions (not including sleep)

26
Q

metabolic equivalent tasks (METS)

A

.calculation of energy expenditure of a physical activity

.ml o2/kg/min

27
Q

thermic effect

A

energy used in process of digestion (eating, absorbing, using food)