Fat Soluble Flashcards
1
Q
Vitamin A major function
A
- Retionol: reproduction
- Retonic acid: Growth and Cell Maturation, bone formation, gene expression
- Retinal: night and colour vision
2
Q
Vitamin A deficiency
A
- night blindness
- decreased mucus production
- bacterial invasion
- blindness ( Xeropthalmia)
3
Q
Vitamin A toxicity
A
- Acute: headache, blurred vision, poor muscle contraction
- Chronic: bone/ muscle pain, loss of appetite, hair loss, permanent damage to liver, brain and eyes
- Teratogenic: birth defects
- Hypercartenamia: high amounts of carotenoids in the blood stream
4
Q
Vitamin A source
A
- liver
- fish oil
- eggs
5
Q
Vitamin D functions
A
- increase calcium absorption
- motabilisation of calcium from bones
- reduce calcium exertion
6
Q
Vitamin D Deficinies
A
1) Ricketts in children
- low vitamin D
- bone bow under pressure
- seen in cystic Fibrosis
2) Osteomalacia
- soft bone
- less obvious symptoms
7
Q
Vitamin d toxicity
A
- calcium deposit is in kidneys
- mental retardation
8
Q
Vitamin D source
A
- oily fish
- egg yolk
- live
9
Q
Vitamin E function
A
- antidoxant
10
Q
Vitamin E Deficiency
A
- nerve damage
11
Q
Vitamin E TOXICITY
A
Erythrocytes haemolysis in infants
12
Q
Vitamin E source
A
- veggies
- oils
- nuts
13
Q
Vitamin K function
A
- formation of prothrombin to increase blood clotting
- proteins and bone
14
Q
Vitmain k major deficiency
A
- haemorrhage disease in infants
15
Q
Vitmain K toxicity
A
None