With respect to its effect on colon microflora, fiber is considered a:
a. prebiotic.
b. probiotic.
c. functional food.
d. protective agent.
ANS: A
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Over 99% of the body's __________ is in the bones and teeth
Fill in the blank(s) with the appropriate word(s).
Lance's aunt is at risk for developing osteoporosis; however, if she begins weight-bearing physical activity she may experience:
a. slower bone formation, increased progression of age-related bone loss, and reduced likelihood of injuries when falls occur. b. enhanced bone formation, hastened progress of age-related bone loss, and increased likelihood of injuries when falls occur. c. increased bone formation, controlled progression of age-related bone loss, and enhanced likelihood of injuries when falls occur. d. stimulated bone formation, slower progression of age-related bone loss, and a reduction in the likelihood of injuries when falls occur.
The body will signal thirst before dehydration occurs to prevent problems with fluid loss
a. True b. False Indicate whether the statement is true or false
The fact that the amino acid tryptophan can be converted to niacin by the body explains why
A. alcoholics sometimes develop Wernicke-Korsakoff syndrome. B. gelatin cures pellagra. C. corn-based diets prevent pellagra. D. diets high in protein could prevent or cure pellagra.