Questions and Answers
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