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Exam 1 Study Guide

Exam 1 Study Guide - Nutrition100Exam#1StudyGuide 1.;...

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Nutrition 100 Exam #1 Study Guide 1. Be able to list the 6 categories of nutrients; Also know which are  energy-yielding and which  are not Carbohydrates 4 kcal/gram Proteins 4 kcal/gram Fats 9 kcal/gram Vitamins Minerals Water (11-15 cups per day) 2. Difference between macronutrients and micronutrients Macronutrients : the group name for the energy-yielding nutrients of carbohydrate, protein, and  fat. They are called macronutrients b/ we need relatively large amounts of them in our daily diet Micronutrients : dietary minerals (like iron, copper, selenium) that are needed in relatively small  quantities 3. Define the following terms:  Dietary References Intakes (DRI):  this is the general term used for the new nutrient  intake standards for healthy people Recommended Dietary Allowance (RDA):  these are levels of essential nutrient intake  judged to be adequate to meet the known nutrient needs of practically all healthy persons while  decreasing the risk of certain chronic diseases Adequate Intake (AI):  these are “tentative” RDAs. AIs are based on less conclusive  scientific information than are the RDAs Estimated Average Requirements (EAR):  These are nutrient intake values that are  estimated to meet the requirements of half the healthy individuals in a group. The EARs are  used to assess adequacy of intakes of population groups Tolerable Upper Levels of Intake (UL):   These are upper limits of nutrient intake  compatible with health. The ULs do not reflect desired levels of intake. Rather, they represent  total, daily levels of nutrient intake from food, fortified foods, and supplements that should not be  exceeded. Acceptable Macronutrient Distribution Range (AMDR):  these guidelines indicate  percentages of total caloric intake that should consist of carbohydrate, protein, and fat. Carbohydrate:  45-65% protein: 10-35% fat: 20-35% 4. Define, explain the difference between:
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Essential Nutrients :  substances required for normal growth & health that the body can’t  generally produce, or produce in sufficient amounts; they must be obtained in the diet Non-essential Nutrients : substances required for normal growth and health that the body  can manufacture in sufficient quantities from other components of the diet. We don’t require a  dietary source of nonessential nutrients.
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