Chapter 12: Fat Soluble Vitamins

Question 1

what is a vitamin

Answer 1

-essential
-organic
-deficiency related decrease in health

Question 2

how were they named

Answer 2

-alphabetically as discovered
-B thought to have same structure, so classified together (wrong)

Question 3

types of B vitamins

Answer 3

-thiamin
-riboflavin
-niacin
-folate (folic acid)
-B-6
-B-12
-pantothenic acid
-biotin

Question 4

how are fat soluble vitamins absorbed

Answer 4

-with dietary fat
-bile & pancreatic lipase aid

Question 5

how are water soluble absorbed

Answer 5

in the small intestine

Question 6

transport and storage of fat soluble vitamins

Answer 6

-lymphatic system -> blood stream (in chylomicrons)
-in blood (in lipoproteins and carrier proteins)
-not easily excreted

-stored in adipose tissue or liver

Question 7

transport & storage of water soluble vitamins

Answer 7

-directly enter blood stream
-excreted rapidly

-not really stored

Question 8

what activates vitamin D

Answer 8

liver and kidneys