vitamins

Question 1

retinol - properties

Answer 1

insoluble water
soluble in organic solvents
heat stable
destroyed by o2

Question 2

beta carotene properite

Answer 2

insoluble in water
soluble in fat solvents
unaffected by heat
antioxidant

Question 3

functions of vitamin a

Answer 3

rhodopsin production
skin and mucous membranes
growth and dev of children
antioxidant

Question 4

deficiency of vit a

Answer 4

night blindness
follicular hyper keratosis
xerophthalmia
retarded growth
free radical damage

Question 5

vit a rda

Answer 5

children -400-500 ug
teen adults and preg -600-700
lactation 950

Question 6

vit d properties

Answer 6

most stable
fat soluble
heat stable
unaffected by acids alkali and oxygen

Question 7

vit d function

Answer 7

control ca and p absorption
regulates ca and p in teeth and bones
ca levels in blood
stim calcium binding proteins

Question 8

vit d rda

Answer 8

child and adults 10
teen 15

Question 9

vitamin e prop

Answer 9

fat soluble
antioxidant
heat stable
unstable to alkali and light
stable to acid

Question 10

vit e sources

Answer 10

nuts
seeds
avocado
eggs

Question 11

vit e functions

Answer 11

antioxidant
protects rbc and wbs from damage
protects retina in new born

Question 12

vit e deficiency

Answer 12

damage to cells from free radials
anaemia, reduced immunity
eye disorder in babies

Question 13

vit k properties

Answer 13

fat soluble
heat stable
light destroyed

Question 14

vit k sources

Answer 14

leafy green
offal
cereals

Question 15

vit k function

Answer 15

aids clots by synthesiser prothrombin
regulates ca in bones

Question 16

vit k deficiency

Answer 16

haemorrhage
osteo

Question 17

vitamin c prop

Answer 17

antioxidant
most unstable
water soluble
acidic

Question 18

vit c function

Answer 18

antioxidant
healthy guns
forms collagen - tissue formation
promotes quick wound healing
assist iron absorption
immunity by wbc

Question 19

c def

Answer 19

scurvy
long wound heal
anaemia
sick easy

Question 20

c rda

Answer 20

children 45
teen 50-60
adults 60
preg and lac 80

Question 21

b1 prop

Answer 21

water soluble
destroyed by high temp alkali and light
70% lost in milling

Question 22

b1 sources

Answer 22

whole grain
milk
meat
offal

Question 23

b1 function

Answer 23

metabolism of carbs and fats
nerve function
growth and development of children

Question 24

b1 def

Answer 24

fatugue
beri beri
retarded growth

Question 25

b2 prop

Answer 25

water soluble unstable at high temp light sensitive destroyed by alkali

Question 26

b2 sources

Answer 26

fortified breakfast cereals milk meat

Question 27

b2 functions

Answer 27

met of carbs protein fats mucous membrenae growth and development

Question 28

b2 deficiency

Answer 28

tiredness cracked lip swollen tongue reatrded growth

Question 29

b3 properties

Answer 29

water soluble stable to acids and alkali heat stable 80-90% lost during milling

Question 30

b3 sources

Answer 30

fortified breakfast nuts bread

Question 31

b3 functionn

Answer 31

carb metabolism healthy skin nerve activity

Question 32

b3 def

Answer 32

fatugue pellagra cognitive impairment

Question 33

b6 prop

Answer 33

water soluble heat stable destroyed by oxygen alkali and light

Question 34

b6 sources

Answer 34

meats fish green veg nuts

Question 35

b6 functions

Answer 35

metabolism of carbs protein fats relieved pmt symptoms nerve functions prevents pyrodoxine def epilepsy in babies

Question 36

b6 def

Answer 36

fatugue pmt symptoms like mood swings cog impairment seizures

Question 37

b9 prop

Answer 37

water soluble heat stable unaffected by acids destroyed by alkalis o2 and light

Question 38

b9 sources

Answer 38

leafy green whole meal offal supplements

Question 39

b9 functions

Answer 39

formation of brains and end of spinal cord works with b12 to form rbc maintains immune system

Question 40

b9 def

Answer 40

spina bifida fatugue illness

Question 41

b9 rda

Answer 41

c 100-200ug t and a 300 preg 500 lac 400

Question 42

b12 prop

Answer 42

water soluble destroyed by acids alkali and light heat stable

Question 43

b12 sources

Answer 43

animal offal dairy

Question 44

b12 functions

Answer 44

aids metabolism of fatty acids metabolism of b9 myelin sheath formation of rbc

Question 45

b12!def

Answer 45

fatugue neutral tube defects delayed neural implue anaemia

Question 46

b12 rda

Answer 46

c 0.7-1 ug t and a 1-4 preg 1.9 lac 1.9