mr smith-classes of food Flashcards

1
Q

what are the two types of carbohydrates

A

simple
complex

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2
Q

simple carbohydates

A

can be brokedoqn quicky
giving fast release of energy
used during high intenisty exercises for anaerobic exercise

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3
Q

why are carbohydartes main source of energy

A

muscles require supply of glucose (sugar) to create ATP through respiration

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4
Q

complex carbohydrates

A

found in most plant foods
take longer to break down
provide slow release of energy
allowinf aerobic energy system

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5
Q

complex carb examples

A

pottaoes rice

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6
Q

simple carb examples

A

fruits

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7
Q

function of carbs

A

provided supply of enrrgy to cells and muscles
only substrate that can be used for both aerobic and anaerobic exercise

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8
Q

what are fats made up of

A

one molecule of glyercol and 3 molecules of fatty acids

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9
Q

what are the two types of fat

A

saturated
trans

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10
Q

what do fats lead up to

A

obseity
heart disease
strokes

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11
Q

effectt of fats on perofmance and health

A

limits cardiovascualr endurance

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12
Q

chlosetrol

A

fatty depostits that block arteries

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13
Q

where is chlosetrol found

A

all cells used to help make hormones
plaque is built up causing reistance in blood vessels

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14
Q

function of fats

A

yeild double the enrgy of carbs
majour source of enrgy if body at rest or low intesity
only utalised through aerobic repsiration as fat requires more oxygen to break down then carbs

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15
Q

what do fats also do

A

utalise us
layers of insulation that can help keep us warm in cold temps e.g. open water swimming

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16
Q

proteins

A

vital for cell growth and repair

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17
Q

what do proteins make up

A

all enzymes hormones and haemoglobin

18
Q

source of protein

A

meat, fish

19
Q

what does lack of protein cause

A

aetrophy

20
Q

what happens if dont have enough portin

A

cants pogressive overload during training meaning imporvements less likely to take place

21
Q

disadvanatges of not enough protein

A

decreases chances of DOMS after exercise

22
Q

what happens if take too much protein

A

changes and stores as fat

23
Q

wwhen perofmer most liekly to need lots of protien

A

anaerobic exercise eg weight training
powerful explosive movements
without protein, no mucle mass gain

24
Q

what are the three vitamins

A

vitamin D
vitamin C
vitamin B12
vitamin B complex

25
Q

main function of vitamin D

A

body creates by sunlight
essential for healthy bones
helps to regulate absorption of calcium
prevents fractures

26
Q

vitamin c

A

helps maintain healthy immune system
helps prevent illness
maintain healthy bones, gums
ligaments preventing dislocations

27
Q

vitamin B12

A

prodcues red blood cells
gelps body transport oxygen so vital for aerobic performance

27
Q

vitamin B complex

A

releases energy
produces RBC hamoglobin
helps maintain healthy nervous system

28
Q

what are the three minerals

A

sodium
iron
calcium
SIC

29
Q

what do minerals do

A

vital for conduction of electrical impulses

30
Q

impact of no minerals

A

inability to contract and relax muscles

31
Q

sodium function

A

maintain water balance
found in salts
losing electrolytes through sweat, may lead to muscle cramping
increases blood pressure and risk of stroke

32
Q

calcium

A

important in muscle contractions
vital for healthy teeth, bones

33
Q

what happens if lack of calcium and viatmin D

A

increased risk of fractures

34
Q

iron

A

vital for devlopment of RBC
found in nuts, meat
lack of Hb is anamenia

35
Q

fibre

A

helps digestion system function properly
absorbs water and passge of food through gut
avoids constipation

36
Q

water

A

helps regulate electrolyte balance
effect of not having enough water:
lose control of limbs
lsoe sense of direction
lose colour (pale)
dehyration
extreme fatigue

37
Q

deydration

A

loss of elctrolytes and water lost from sweat,neeeds to be replensihed
if not replensished, causes dehydration

38
Q

effects of dehyration

A

increase in blood viscosity
over heating
dizziness/blurred vision

39
Q
A