Accurate Answers
8 enzymes of vitamin B - Correct Answer Thiamin, Riboflavin, Niacin, Folate, B12, Biotin,
Pantothenic Acid, B6
Niacin can be synthesized from? - Correct Answer tryptophan
Major functions of Folate - Correct Answer Formation of DNA, metabolize amino acids,
formation of neurotransmitters
Synthetic form of folate? - Correct Answer folic acid
Folate deficiencies can cause? - Correct Answer macrocytic anemia and neural tube defects
major functions of vitamin B12 - Correct Answer formation of blood, folate metabolism,
homocysteine metabolism, maintains myelin sheaths
deficiency of vitamin B12 - Correct Answer lack of HCL - atrophic gastritis
lack of intrinsic factor - pernicious anemia
vitamin C - Correct Answer water soluble vitamin
ascorbic acid
important antioxidant
deficiency of vitamin C - Correct Answer smokers at risk
could cause scurvy
toxicity - Correct Answer GI disturbances
what can Vitamin C protect against - Correct Answer cancer, heart disease, common cold
symptoms of beriberi - Correct Answer edema, extreme fatigue
innate immunity - Correct Answer nonspecific, present at birth, physical barriers, HCL, fever
acquired immunity - Correct Answer adaptive or specific, develops as we age, production of
antibodies
oxidizing agents - Correct Answer cause cell damage, free radicals (unpaired electron,
unstable), initiate cascade of disturbance
antioxidants - Correct Answer able to stop or repair free radical damage, largely supplied by
diet
vitamin E - Correct Answer fat soluble vitamin, important antioxidant in lipid-rich areas of
, body
most active form of vitamin E? - Correct Answer alpha tocopherol
where is vitamin E stored? - Correct Answer adipose tissue
Vitamin E deficiency - Correct Answer rare, can cause hemolytic anemia
vitamin E toxicity - Correct Answer can cause hemorrhagic stroke
Vitamin A - Correct Answer fat soluble vitamin
provitamin sources of Vitamin A - Correct Answer carotenoids
still needs to be activated
no risk of toxicity
preformed vitamin A is? - Correct Answer retinoids
active and ready to go
risk of toxicity
what does vitamin A do for eye health? - Correct Answer maintains clear cornea
transports light energy to nerve impulses in retina
vitamin A deficiency - Correct Answer progressive vision impairment
xerosis - Correct Answer dryness of cornea
keratinization - Correct Answer buildup of protein in eye
hyperkeratosis - Correct Answer skin becomes rough and scaly
whos at risk for vitamin A toxicity? - Correct Answer supplement takers
teratogenic risk - Correct Answer can cause a birth defect
what are carotenoids? - Correct Answer fat soluble plant pigments
carotenosis - Correct Answer skin turns orange
major functions of vitamin D - Correct Answer regulate blood calcium levels, bone
calcification, hormone
can vitamin D be synthesized in the body? - Correct Answer yes
vitamin d and skin - Correct Answer need more sun exposure the darker skin you have
vitamin D deficiency - Correct Answer rickets, osteomalacia (adult rickets), osteoporosis