Nutrition Final

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What is a precursor? - A substance that is used to synthesize another compound. What is a chief function of the B vitamins? - Coenzyme participation Which of the following diets is most likely t... o lead to beriberi? - High intakes of white rice A deficiency of what vitamin produces a characteristic cracking and redness at the corners of the mouth? - Riboflavin When the diet contains an adequate amount of protein, what amino acid can be used by the body to synthesize niacin? - Tryptophan Which of the following is a feature of niacin nutrition? - High doses may lower blood cholesterol. Which of the following is a feature of pantothenic acid in nutrition? - It functions in the metabolism of amino acids, glucose, and fatty acids. Biotin can be synthesized by - intestinal bacteria A common drug for the treatment of tuberculosis is known to markedly interfere in the metabolism of vitamin - B6 Research has shown that the risk for neural tube defects is lowered by taking supplements of - folate What vitamin is involved mainly with the replacement of red blood cells and digestive tract cells? - folate What is the most likely reason for development of a vitamin B12 deficiency? - Inadequate absorption The absorption of which of the following vitamins is most affected by the disorder atrophic gastritis? - Vitamin B12 Which of the following is a feature of choline in nutrition? - Average intakes in the United States are lower than recommended. The synthesis of collagen requires both vitamin C and - iron Which of the following is an early sign of vitamin C deficiency? - Bleeding gums Which of the following food groups is a rich source of vitamin C? - Fruit Groups Which of the following food substances can be converted to vitamin A in the body? - Beta-carotene. [Show More]

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