Vitamins Flashcards
What are the fat soluable vitamins?
A,D,E,K
In fat soluable vitamins, deficiences happen?
Slower
What are the water soluable vitamins?
B and C
Deficiences in water soluable vitamins happen?
Quickly
Vitamins are added as _______ in a pre-mix
supplement
Ruminants do or do not require vitamin B and vitamin K?
Do not require.
Ruminants don’t need vitamin B and K, because?
Microbes synthesize all B and K vitamin
What catagory of vitamins are found in the body?
Fat
What catagory of vitamins are not found in the body?
Water
Define vitamin
Organic compounds required in animals diets in small amounts because they cannot be synthesized by the body.
What vitamin exhibits the display of retinol?
Vitamin A
Vitamin A functions are?
- vision
- cell proliferation
- Gene transcription
Vitamin A deficiences are?
night blindness
Abnormal bone growth
Rough hair coat
Degeneration of mucous membrane
Impaired growth
Toxicity results of Vitamin A are?
Skeletal malfunctions
Reduced growth
Conjunctivitis
Reproductive failure
The vitamin known as the “sunshine vitamin”
Vitamin D
Where is Vitamin D synthesized?
In the skin
What are the 2 forms of Vitamin D?
Vitamin D2
Vitamin D3
Vitamin D2 is also known as?
Ergocalciferol
Vitamin D3 is also known as?
Cholecalciferol
Vitamin D2 is found in what sources?
plant
Vitamin D3 is found in what sources?
Animal
Where is 25-hydroxvitamin D3 produced?
Liver
Where 1,25-dihydroxyvitamin D3 produced?
Kidney
What are the funtions of Vitamin D?
Maintain calcium homeostasis
Increase intestinal absorption
Increase Ca mobelization from bone
Deficiency if Vitamin D can show up as?
Rickets
What is Rickets?
Bow legged symptoms.
Lack of Ca, so bones soften; as weight is added, the legs cannot support weight and bow out.