UNH Nutrition 400 Final Exam Questions and Answers 100% Pass

UNH Nutrition 400 Final Exam Questions and Answers 100% Pass 8 enzymes of vitamin B - Thiamin, Riboflavin, Niacin, Folate, B12, Biotin, Pantothenic Acid, B6 Niacin can be synthesized from? - tryptophan Major functions of Folate - Formation of DNA, metabolize amino acids, formation of neurotransmitters Synthetic form of folate? - folic acid Folate deficiencies can cause? - macrocytic anemia and neural tube defects major functions of vitamin B12 - formation of blood, folate metabolism, homocysteine metabolism, maintains myelin sheaths deficiency of vitamin B12 - lack of HCL - atrophic gastritis lack of intrinsic factor - pernicious anemia vitamin C - water soluble vitamin ascorbic acid 2Katelyn Whitman, All Rights Reserved © 2025 important antioxidant deficiency of vitamin C - smokers at risk could cause scurvy toxicity - GI disturbances what can Vitamin C protect against - cancer, heart disease, common cold symptoms of beriberi - edema, extreme fatigue innate immunity - nonspecific, present at birth, physical barriers, HCL, fever acquired immunity - adaptive or specific, develops as we age, production of antibodies oxidizing agents - cause cell damage, free radicals (unpaired electron, unstable), initiate cascade of disturbance antioxidants - able to stop or repair free radical damage, largely supplied by diet vitamin E - fat soluble vitamin, important antioxidant in lipid-rich areas of body most active form of vitamin E? - alpha tocopherol where is vitamin E stored? - adipose tissue Vitamin E deficiency - rare, can cause hemolytic anemia 3Katelyn Whitman, All Rights Reserved © 2025 vitamin E toxicity - can cause hemorrhagic stroke Vitamin A - fat soluble vitamin provitamin sources of Vitamin A - carotenoids still needs to be activated no risk of toxicity preformed vitamin A is? - retinoids active and ready to go risk of toxicity what does vitamin A do for eye health? - maintains clear cornea transports light energy to nerve impulses in retina vitamin A deficiency - progressive vision impairme