Nutrition Final

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 to 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 deficie