Fichas
Vitamins Revision
Fichas del conjunto (36)
- 1What are Nutrients?Substances in food that are used by the body for growth, maintenance and repair
- 2Nutrient-DenseFoods that are high in nutrients such as vitamins, minerals, complex carbohydrates, lean protein and healthy fat, and generally lower in kilojoules/energy
- 3BioavailabilityThe degree to which nutrients in food are available for absorption and use in the body
- 4Oxidative StressImbalance between the production of free radicals and the ability of the body to detoxify the harmful effects of them
- 5What are the Fat Soluble Vitamins?A, D, E and K
- 6What are the Water Soluble Vitamins needed for this Syllabus?B1 - Thiamine, B2 - Riboflavin, B3 - Niacin and Vitamin C
- 7What is the difference between the storage of Fat Soluble to Water Soluble vitamins?Fat Soluble - stored in the liver and fatty tissue for extended periods of time - so do not need to be replenished daily
Water - Not stored by the body, instead excreted from the body in urine - so needs to be replenished daily - 8Which Vitamins are destroyed by heat and dissolved in cooking processes with heated water?B and C
- 9Which Vitamins can accumulate and lead to toxicity and damage of organs?Fat Soluble - A, D, E and K
- 10What is another name for Vitamin A and what is it main functions?Retinol:
- normal vision
- body growth
- immune function
- reproductive health - 11How is Vitamin D produced and what is its main functions?Produced in the skin from exposure to sunlight
- bone growth
-regulating the immune system - 12What are the main functions of Vitamin EAn Antioxidant - protects fatty acids from oxidation
- 13What are the main functions of Vitamin K?- clots blood
- supports bone health
- prevents calcification of blood vessels - 14Food Sources - ALiver - fish, beef and sausages
butter
egg yolk
yellow veges - 15Food Sources - DFish Liver Oil
Mushrooms
salmon
egg yolk
meat fat - 16Food Sources - EOils
Nuts
Avocado
Peanut Butter
Margarine
Fatty Fish - 17Food Sources - KGreen Leafy Vegetables
- parsley, kale spinach, Brussel sprouts, lettuce
egg yolk
butter
liver - 18What three vitamins can be found in egg yolk?A, D and K
- 19What two vitamins can be found in liver and butter?A and K
- 20What does vitamins A, D and E have in common in regard to over consumption?toxicity is rare and only caused by excess doses of supplements
- 21Over and Under - AOver - hypervitaminosis A and liver disease
Under - dry eyes, blindness, hair loss, skin problems - 22Over and Under - DOver - hypercalcemia - excess calcium in blood
Under - lowered immune function causing slow wound healing
adults - osteomalacia (soft and brittle bones/weak muscles)
rickets in children - 23Over and under - EOver - oxidative stress (the body can't produce enough free radical to detoxify the body)
Under - not found in healthy people - 24Over and Under - KOver - no known symptoms
Under - blood doesn't clot properly - 25Functions - thiamineB1:
Carbohydrate metabolism to supply energy to tissues
Processes fat and Alcohol
nerve function - 26Functions - riboflavinB2:
growth and production of red blood cells
vision and skin health - 27What is special about niacin and what is its functions?convert carbs, fat and alcohol into energy
skin health
supports nervous and digestive systems - 28Functions - Ascorbic acidVC:
protects lipids and human plasma against oxidative stress
aids in the absorption of minerals - copper and iron - 29B1 - food sourcesMeat, Nuts, Wholegrains and most Fruit and Vegetables
- 30B2 - Food SourcesWhole grains - cereals
milk
eggs
green leafy veges - 31B3 - Food SourcesAnimal Products - Meat, Poultry and Dairy
Wholegrains and nuts
Mushrooms - 32VC - Food SourcesCitrus
Guava
Sprouts and broccoli
Kiwifruit and Strawberries
Blackcurrents - 33Over and Under in thiamineOver - none
Under - very uncommon
sometimes in alcoholics (beriberi) - 34Over and Under in RiboflavinOver - none
Under - rare - 35Over Under in NiacinOver - large doses (supplements)
- itching, flushing nausea, liver damage
under - dementia, diarrhea, dermatitis - 36Over Under VCOver - >1000mg can cause gastrointestinal effects
Under - rare
Scurvy - loss of collagen strength resulting in loose teeth, bleeding and swollen gums and slow healing
Información
- Descripción
- Year 10 Sciences Fichas sobre Vitamins Revision, creado por Misty T el 16/02/2020.
- Creado por
- Misty T
- Visitas
- 30
- Etiquetas
- Valoración