NTR Exam 1 study guide.docx - Essential nutrient A...

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Essential nutrient: A substance that is needed in a metabolic reaction or a tissue structure that cannot be synthesized in humans. Conditionally essential nutrient: Daniel Rudman coined this term. For nutrients not ordinarily required in the diet but which must be supplied exgenouly to specific populations that do not synthesize them in adequate amounts. EAR (Estimated average requirement): nutrient intake value that is estimated to meet the nutrient requirements of 50% (1/2) of individuals in a specific group. UL: tolerable upper level intake limit, the point where the risk for harm increases. RDA (Recommended dietary allowance): the intake that meets the nutrient requirement of 97.5% of healthy individuals in a specific group. AMDR: % of daily calories from each energy source that is healthiest. Adequate macronutrient distribution range. Reference height and weight: The average height and weight of American men and women, used to provide a representative nutrient intake for a population for nutrients that should be consumed in quantities based on body weight. Homeostasis: Gastrin: stimulates HCl secretion by stomach parietal cells immediately after eating.
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  • Fall '17
  • Nutrition, bile acids, secondary bile acids, primary bile acids, binding bile acids

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