Water Soluble Vitamins- Sample Test Questions Answers

Water Soluble Vitamins- Sample Test Questions Answers -...

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Unformatted text preview: Water Soluble Vitamins‐ Sample Test Questions 1) General characteristics of the water‐soluble vitamins include all of the following except a. they must be consumed daily. b. toxic levels in the body are rarely found. c. they are absorbed directly into the blood. d. excesses are eliminated from the kidneys. 2) What is a chief function of the B vitamins? a. Antioxidation b. Anticoagulation c. Antibody stabilization d. Coenzyme participation 3) Which of the following is indicative of a dietary deficiency of riboflavin? a. Beriberi b. Diarrhea c. Keratomalacia d. Inflamed mouth membranes 4) When the diet contains an adequate amount of protein, what amino acid can be used by the body to synthesize niacin? a. Lysine b. Valine c. Tryptophan d. Phenylalanine 5) Features of biotin in nutrition include all of the following except a. it functions in the breakdown of amino acids and fatty acids. b. it functions as a carrier of carbon dioxide in energy metabolism. c. a deficiency can be induced by ingesting large quantities of raw egg whites. d. a deficiency can be induced by ingesting large amounts of thiamin and folic acid which interfere with its absorption. 6) Biotin can be synthesized by a. avidin. b. the skin. c. the liver. d. intestinal bacteria. 7) Forms of vitamin B6 include all of the following except a. pyridoxal. b. pyridoxine. c. pyrimidine. d. pyridoxamine. Water Soluble Vitamins‐ Sample Test Questions 2 8) Research has shown that the risk for neural tube defects is lowered by taking supplements of a. niacin. b. folate. c. vitamin C. d. vitamin B12. 9) A deficiency of which of the following vitamins results in accumulation of homocysteine in the blood? a. Folate b. Biotin c. Niacin d. Vitamin K 10) Pernicious anemia results from a deficiency of a. folate. b. selenium. c. vitamin B12. d. iron and copper. 11) Which of the following is required for the absorption of dietary vitamin B12? a. Bile b. Lipase c. Intrinsic factor d. Carboxypeptidase 12) Which of the following is not known to be required in the diet of human beings? a. Folic acid b. Lipoic acid c. Ascorbic acid d. Pantothenic acid Water Soluble Vitamins‐ Sample Test Questions ...
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