UNH NUTRITION 400 FINAL EXAM QUESTIONS AND ANSWERS. VERIFIED 2025/2026.

UNH NUTRITION 400 FINAL EXAM
QUESTIONS AND ANSWERS. VERIFIED
2025/2026.




8 enzymes of vitamin B - ANS Thiamin, Riboflavin, Niacin, Folate, B12, Biotin, Pantothenic
Acid, B6


Niacin can be synthesized from? - ANS tryptophan


Major functions of Folate - ANS Formation of DNA, metabolize amino acids, formation of
neurotransmitters


Synthetic form of folate? - ANS folic acid


Folate deficiencies can cause? - ANS macrocytic anemia and neural tube defects


major functions of vitamin B12 - ANS formation of blood, folate metabolism, homocysteine
metabolism, maintains myelin sheaths


deficiency of vitamin B12 - ANS lack of HCL - atrophic gastritis
lack of intrinsic factor - pernicious anemia


vitamin C - ANS water soluble vitamin


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,ascorbic acid
important antioxidant


deficiency of vitamin C - ANS smokers at risk
could cause scurvy


toxicity - ANS GI disturbances


what can Vitamin C protect against - ANS cancer, heart disease, common cold


symptoms of beriberi - ANS edema, extreme fatigue


innate immunity - ANS nonspecific, present at birth, physical barriers, HCL, fever


acquired immunity - ANS adaptive or specific, develops as we age, production of antibodies


oxidizing agents - ANS cause cell damage, free radicals (unpaired electron, unstable), initiate
cascade of disturbance


antioxidants - ANS able to stop or repair free radical damage, largely supplied by diet


vitamin E - ANS fat soluble vitamin, important antioxidant in lipid-rich areas of body


most active form of vitamin E? - ANS alpha tocopherol


where is vitamin E stored? - ANS adipose tissue


Vitamin E deficiency - ANS rare, can cause hemolytic anemia

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, vitamin E toxicity - ANS can cause hemorrhagic stroke


Vitamin A - ANS fat soluble vitamin


provitamin sources of Vitamin A - ANS carotenoids
still needs to be activated
no risk of toxicity


preformed vitamin A is? - ANS retinoids
active and ready to go
risk of toxicity


what does vitamin A do for eye health? - ANS maintains clear cornea
transports light energy to nerve impulses in retina


vitamin A deficiency - ANS progressive vision impairment


xerosis - ANS dryness of cornea


keratinization - ANS buildup of protein in eye


hyperkeratosis - ANS skin becomes rough and scaly


whos at risk for vitamin A toxicity? - ANS supplement takers


teratogenic risk - ANS can cause a birth defect



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