Fat Soluble

Question 1

Vitamin A from animal sources

Answer 1

•Vitamin A is found in different forms•Most active in the body is retinol•Found in animal sources in for of retinyl palmitate, converted to retinol in ileum/small intestine Eggs, milk, oily fish and liver

Question 2

Vitamin A from plant sources

Answer 2

Beta carotene is a provitamin A substance in yellow/ orange pigments found in plant foods like carrots, mango, spinach and peppers.

Question 3

Vitamin A function

Answer 3

•Healthy skin•Moist and healthy mucus membranes•Antioxidant

Question 4

Vitamin A deficiency

Answer 4

•Dry infected skin and mucus membranes•night blindness•Poor growth in children

Question 5

Vitamin A excess

Answer 5

Poisonous if too much is taken e.g. in supplement form especially to unborn babies

Question 6

Vitamin D sources

Answer 6

Sunlight on skin, oily fish, meat, eggs and butter

Question 7

Vitamin D function

Answer 7

•Regulates absorption of calcium in small intestine•Needed for function of immune system•Involves in production of red blood cells

Question 8

Vitamin D deficiency

Answer 8

Weakened and bendy bones, rickets in children and osteomalacia in adults

Question 9

Vitamin E sources

Answer 9

Soya, corn oil, nuts and seeds

Question 10

Vitamin E function

Answer 10

•Maintain healthy skin and eyes• Antioxidant

Question 11

Vitamin E deficiency

Answer 11

Very rare but can cause night blindness and muscle weakness

Question 12

Vitamin K sources

Answer 12

Green leafy vegetables, liver, cheese and green tea

Question 13

Vitamin K function

Answer 13

Helps blood clot after injury

Question 14

Vitamin K deficiency

Answer 14

Rare but may occur in newborn babies and will cause excessive bleeding