Chapter 11 Exam Flashcards
Fat soluble vitamins
–Dissolve in fat and are stored in fat throughout the body
–It is difficult for your body to excrete excess fat- soluble vitamins, so toxic levels can accumulate if you consume too many
Other names for Vitamin A
retinol, retinal, beta carotene
Where do you get Vitamin A?
from the carotene of plants, fruits, oily saltwater fish, dairy products, and eggs
What is beta carotene?
an antioxidant
Why do you need Vitamin A?
infection resistance, proper night vision, growth and development of bones and soft tissues, healing of wounds and reproduction
Other names for Vitamin D…
calciferol, cholecalciferol, ergocalciferol
what is vitamin D synthesized through?
the action of sunlight on the skin
Where is vitamin D deficiency common?
northern latitudes
Other sources of vitamin D…
include fish oils, and food products fortified with vitamin D (milk & cereals)
why is vitamin D needed?
maintenance of normal nerves and muscles, healthy bones and teeth, pregnancy and lactation
Another name for Vitamin E…
tocopherol
Where is Vitamin E found?
in cereals, wheat germ, seeds, nuts, vegetable oils, eggs, meat, and poultry
Why is Vitamin E needed?
normal metabolism, protection of tissues of eyes, skin, liver, breasts, muscles, lungs, protect RBCs, decrease platelet clumping
what is vitamin E used for?
management of early Alzheimer’s disease and possible slowing of memory loss-no cure
What is another name for Vitamin K?
phytonadione
Where is Vitamin K found?
green or leafy vegetables, cabbage, vegetable oils, cheese, eggs, and liver
Why is Vitamin K important?
– Absorbed in the small intestine in the presence of bile salts
– Needed for blood clotting
– Clinical connection with warfarin
– Unlike other fat-soluble vitamins, the body doesn’t store vitamin K, but recycles it in less significant amounts
Def of water soluble vitamins
dissolve in water and are excreted through the kidneys if you have excess amounts in your body
Another name for Vitamin B1
thiamine
Why is vitamin B1 needed?
– Coenzyme utilized for carbohydrate metabolism
– Needed for normal function of the nervous and cardiovascular systems
