Fat Soluble Vitamins

Question 1

Vit. A (B-carotene–>Retinol) role

Answer 1

Vision, Metabolites involved in growth failure, growth & differentiation of epithelial, nervous & bone tissue, immune fxn

Question 2

Vit. A (B-carotene–>Retinol) deficiency

Answer 2

Children: poor dark adaptation, xerosis, keratomalacia

Adults: night blindness, xeroderma

Question 3

Vit. A (B-carotene–>Retinol) sources

Answer 3

Liver, dark green leafy veggies, orange fruits & veggies

Question 4

Vit. D (cholecalciferol) role

Answer 4

Regulator of bone metabolism, primarily Ca, other roles emerging

Question 5

Vit. D (cholecalciferol) deficiency

Answer 5

Children: rickets
Adults: osteomalacia

Question 6

Vit. D (cholecalciferol) sources

Answer 6

Skin synthesis, liver, fish, fortified dairy, eggs

Question 7

Vit. E (a-tocopherol) role

Answer 7

Antioxidant, enzymatic activities, gene expression, cell signaling

Question 8

Vit. E (a-tocopherol) deficiency

Answer 8

Infants: anemia

Children & adults: neuropathy, myopathy

Question 9

Vit. E (a-tocopherol) sources

Answer 9

Vegetable oil, nuts, green veggies

Question 10

Vit. K role

Answer 10

Blood coagulation, bone growth

Question 11

Vit. K deficiency

Answer 11

Children: hemorrhagic disease of newborns

Adults: defective blood clotting

Question 12

Vit. K sources

Answer 12

Gut flora, dark green leafy veggies