AQA A Level PE: Paper 2 Exam Questions
and Answers
The main energy source - Answer>> carbohydrates
2 types of carbohydrates - Answer>> simple and complex
carbohydrates
simple carbohydrates - Answer>> quickest form of
carbohydrates and found in fruits, processed foods, & refined
sugar
complex carbohydrates - Answer>> slower form of
carbohydrates and found in nearly all plant based food, bread,
pasta, rice & vegetables
what glucose stored as - Answer>> glycogen
Where is glycogen stored? - Answer>> liver and muscles
what's the only food source that can be broken down
anaerobically? - Answer>> carbohydrates
what are the types of fats - Answer>> saturated fats
trans-fats
cholesterol - Answer>> a type of (saturated) fat found in the
blood
what are the 2 types of cholesterol - Answer>> HDL and LDL
,low-density lipoprotein (LDL) - Answer>> transport cholesterol
to the tissues and are classed as 'bad'
High-density lipoprotein (HDL) - Answer>> transport excess
cholesterol back to the liver to be broken down and are classed
as 'good'
saturated fats - Answer>> found in sweet & savoury foods as
well as animal sources
too much can lead to weight gain, reduced stamina, limit flexibility
& health problems
trans-fats - Answer>> a type of unsaturated fat found in meat &
dairy products
made from industrial process to extend shelf-life
can lead to high levels of blood cholesterol, heart disease &
diabetes
Good fats - Answer>> replacing saturated & trans-fats with
unsaturated fats as its a major energy source
used for Low intensity aerobic exercise
they also carry fat-soluble vitamins A,D,E & K
Proteins - Answer>> they're amino acids important for muscle
growth & repair
they're used to make enzymes, hormones & haemoglobin
they're used by power athletes & are found in meat, egg, fish &
dairy products
vitamins - Answer>> keep our immune system healthy & allows
a performer to train & recover quickly
,source & function Vitamin C - Answer>> source - green
vegetables & fruits
Function - protects cells & maintains bones, teeth, gums &
connective tissue
source & function Vitamin D - Answer>> source - made under
skin when exposed to sunlight
Function - absorbs calcium - to keep bones & teeth healthy
source & function Vitamin B1 - Answer>> source - red meat,
egg, & cereal
Function - helps break down food & release energy from food &
keeps nervous system healthy
source & function Vitamin B2 - Answer>> source - Dairy
products, eggs & cereal
Function - helps breaks down food & release energy from food &
keeps eyes, skin & nervous system healthy
source & function Vitamin B6 - Answer>> source - Meat, eggs &
cereal
Function - Forms haemoglobin & helps body use & store protein &
carbohydrates in food
source & function Vitamin B12 - Answer>> source - Read meat,
dairy products & fish
Function - makes red blood cells, keeps the nervous system
healthy & releases energy from food
Calcium - Answer>> needed for strong bones & teeth
necessary for nerve & muscle functions
, sodium - Answer>> Regulates fluid levels...Too much can
cause stroke or heart attack
Iron - Answer>> involved in formation of haemoglobin -
transports oxygen
sources for minerals - Answer>> meat, fish & eggs
Fibre - Answer>> slows down time it takes for body to
breakdown food so release of energy is sustained
causes bulk in small intestine - helps prevent constipation & aids
digestion
Sources of fibre - Answer>> bread, pasta & potatoes
Water - Answer>> 60% of body made up of water
helps with transportation of nutrients, hormones & waste products
regulates body temperature
Dehydration - Answer>> occurs when the body is losing more
fluid than it is taking in
dehydration can result in what - Answer>> muscle fatigue &
headaches
increased heart rate & lower cardiac output
decreased reaction time, decision-making, performance
what are the 7 classes of food - Answer>> Fats, Proteins,
Carbohydrates, Minerals, Fibre, Vitamins, Water
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