vitamin D

what is vitamin D derived from

• cholesterol

• lipoproteins

• bile

• none of the above

is vitmain D a hormone

• false

• true

what form of vitmain D do we get from the sun

• active

• inactive

vitamin D is added to what in liver metabolism

• carbon 25

• carbon 26

• carbon 27

• cabon 28

active form of vitamin D is called

protivamin D3 is converted to what on the skin

• previtamin D3

• postvitamin d3

• antivitamin d3

where is vitamin d absorbed

• liver

• kidneys

• small intestine

• large intestine

what affects vitamin D absorption

• fat malabsorption

• autoimmune diseases

• renal failure

• kidney diseaes

what is vitamin D bound to in general circulation

• vitamin D binding protein

• CREB-binding protein

• Actin-binding protein

• • TATA-binding protein.

how is vitamin D excreted?

• bile

• urine

• feces