UNH Nutrition Exam With Complete Solution

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