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UNH Nutrition 400 Final Exam 2024(100% Accurate!!)
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UNH Nutrition 400 Final Exam 2024(100% Accurate!!)
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UNH Nutrition 400 Final Exam2024(100% Accurate!!)
8 enzymes of vitamin B - ANSWERThiamin, Riboflavin, Niacin, Folate, B12, Biotin, Pantothenic Acid,
B6
Niacin can be synthesized from? - ANSWERtryptophan
Major functions of Folate - ANSWERFormation of DNA, metabolize amino acids, formation of
neurotransmitters
Synthetic form of folate? - ANSWERfolic acid
Folate deficiencies can cause? - ANSWERmacrocytic anemia and neural tube defects
major functions of vitamin B12 - ANSWERformation of blood, folate metabolism, homocysteine
metabolism, maintains myelin sheaths
deficiency of vitamin B12 - ANSWERlack of HCL - atrophic gastritis
lack of intrinsic factor - pernicious anemia
vitamin C - ANSWERwater soluble vitamin
ascorbic acid
important antioxidant
deficiency of vitamin C - ANSWERsmokers at risk
could cause scurvy
toxicity - ANSWERGI disturbances
, what can Vitamin C protect against - ANSWERcancer, heart disease, common cold
symptoms of beriberi - ANSWERedema, extreme fatigue
innate immunity - ANSWERnonspecific, present at birth, physical barriers, HCL, fever
acquired immunity - ANSWERadaptive or specific, develops as we age, production of antibodies
oxidizing agents - ANSWERcause cell damage, free radicals (unpaired electron, unstable), initiate
cascade of disturbance
antioxidants - ANSWERable to stop or repair free radical damage, largely supplied by diet
vitamin E - ANSWERfat soluble vitamin, important antioxidant in lipid-rich areas of body
most active form of vitamin E? - ANSWERalpha tocopherol
where is vitamin E stored? - ANSWERadipose tissue
Vitamin E deficiency - ANSWERrare, can cause hemolytic anemia
vitamin E toxicity - ANSWERcan cause hemorrhagic stroke
Vitamin A - ANSWERfat soluble vitamin
provitamin sources of Vitamin A - ANSWERcarotenoids
still needs to be activated
no risk of toxicity
preformed vitamin A is? - ANSWERretinoids
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