Nutrition Exam 1 (Chapter 2) Flashcards

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Questions and Answers

What are the Dietary Reference Intakes?

The Dietary Reference Intakes (DRI) is a set of values for vitamins, minerals, carbohydrates, fiber, lipids, protein, water, and energy, indicating adequate and safe intakes of essential nutrients.

What is the Acceptable Macronutrient Distribution Range, and what are its specific values?

The Acceptable Macronutrient Distribution Range (AMDR) is a set of healthy intake ranges: 45-65% of calories from carbohydrates, 20-35% from fat, and 10-35% from protein.

Which is the most appropriate use of information on Daily Values?

Daily Values are ideal for allowing comparisons among foods, such as comparing calories in different cereals.

Which set of Dietary Reference Intakes would be used for establishing policies and recommendations?

<p>The EAR (Estimated Average Requirement) is used for this purpose.</p> Signup and view all the answers

What is the recommended intake for iron for a 20-year-old female and male?

<p>The recommended intake for a 20-year-old female is 18 mg per day, and for a male, it is 8 mg per day.</p> Signup and view all the answers

What is the recommended intake for vitamin A for an 18-year-old female, and how much is too much?

<p>The recommended intake is 700 µg/day, and the upper limit for toxicity is 2800 µg/day.</p> Signup and view all the answers

How much is too much vitamin C for an adult?

<p>The UL for vitamin C is 2000 mg/day for an adult.</p> Signup and view all the answers

What is the accurate assessment of Grandma Jenkins' calcium intake?

<p>She is taking 3600 mg of calcium per day, which exceeds the recommended intake of 1200 mg and the UL of 2500 mg.</p> Signup and view all the answers

What is the purpose of the Dietary Guidelines for Americans?

<p>The DGA uses science-based advice to promote health and reduce the risk of chronic diseases through diet and physical activity.</p> Signup and view all the answers

Which of the following is part of the legume subgroup of vegetables? (Select one)

<p>Split peas (D)</p> Signup and view all the answers

Which option would equal 4 oz of grain? (Select one)

<p>2 sandwiches (4 slices of bread) (D)</p> Signup and view all the answers

According to the Food Patterns, which is equivalent to 1 ounce of meat?

<p>1 egg is equivalent to 1 ounce of meat.</p> Signup and view all the answers

Flashcards

Dietary Reference Intakes (DRI)

A set of nutrient intake recommendations for vitamins, minerals, carbohydrates, fats, protein, water, and energy, developed to ensure adequate and safe intake.

Acceptable Macronutrient Distribution Range (AMDR)

The healthy intake ranges for carbohydrates, fat, and protein, expressed as a percentage of total daily calories.

Estimated Average Requirement (EAR)

The amount of a nutrient that meets the needs of 50% of healthy individuals in a specific life-stage and gender group.

Recommended Dietary Allowance (RDA)

The average daily intake level of a nutrient that meets the needs of almost all (97-98%) healthy individuals in a specific life-stage and gender group.

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Tolerable Upper Intake Level (UL)

The highest average daily nutrient intake level likely to pose no risk of adverse health effects for almost all individuals in a specific life-stage and gender group.

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Legumes

A food group that includes dried beans, peas, and lentils. They are a good source of protein and fiber.

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Grain Equivalents

A measure of the amount of grain equivalent in a specific food. For example, 1 oz of grain is equivalent to 1 slice of bread.

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Dietary Guidelines for Americans (DGA)

A set of dietary recommendations promoting health and reducing chronic disease risk through diet and physical activity.

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Daily Values

Values used to compare nutrient content in different foods, based on a 2000 calorie daily diet.

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Meat Equivalents

A measure of the protein content in a food, often used to estimate meat equivalents.

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Calcium UL

The amount of calcium intake that poses a risk of toxicity.

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Food Patterns

Foods that are considered similar in terms of nutrients and can be swapped for each other in a diet.

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Study Notes

Dietary Reference Intakes (DRI)

  • DRI encompasses values for vitamins, minerals, carbohydrates, fiber, lipids, protein, water, and energy.
  • Developed by nutrition science experts to indicate safe and adequate nutrient intakes.
  • Key components include RDA (Recommended Dietary Allowance), AI (Adequate Intake), EAR (Estimated Average Requirement), UL (Tolerable Upper Intake Level), and AMDR (Acceptable Macronutrient Distribution Range).

Acceptable Macronutrient Distribution Range (AMDR)

  • AMDR defines healthy intake ranges for carbohydrates, fat, and protein.
  • Recommended percentage of total daily calories:
    • 45-65% from carbohydrates
    • 20-35% from fat
    • 10-35% from protein

Daily Values

  • Daily Values are useful for comparing nutrient content in different foods, such as cereals.

Estimated Average Requirement (EAR)

  • EAR indicates the average daily nutrient intake to meet half of the healthy individuals' needs in a specific group.
  • Essential for assessing population nutrient intakes and forming dietary recommendations.
  • RDA for iron:
    • 20-year-old female: 18 mg/day
    • 20-year-old male: 8 mg/day
  • RDA for vitamin A for an 18-year-old female: 700µg/day.
  • Vitamin A toxicity level (UL) for an 18-year-old female: 2800 µg/day.

Tolerable Upper Intake Level (UL)

  • UL for vitamin C: 2000 mg/day for adults, indicating the maximum daily intake unlikely to cause toxicity.
  • UL for calcium: 2500 mg/day. Excess intake can be toxic.

Calcium Intake Assessment

  • Grandma Jenkins takes 3600 mg of calcium daily from supplements, surpassing the recommended intake of 1200 mg.
  • Intake exceeds the UL of 2500 mg, posing a risk of toxicity.

Dietary Guidelines for Americans (DGA)

  • The DGA promotes health and reduces chronic disease risk through diet and physical activity.
  • Recommends a healthy diet and physical activity while limiting harmful dietary elements.

Legume Classification

  • Legumes include dried beans, peas, and lentils.
  • Split peas qualify as a legume, while other options like beet greens, green peas, and green beans do not.
  • Legumes can be categorized as vegetables or meat alternates based on serving sizes.

Grain Equivalents

  • 1 oz of grain: equivalent to a slice of bread, ½ cup of cooked rice, pasta, or cereal, 1 oz of dry pasta/rice, or 1 cup ready-to-eat cereal.
  • 2 sandwiches (4 slices of bread) equal 4 oz of grain, the correct choice for Kevin's lunch.

Food Patterns and Meat Equivalents

  • 1 ounce of meat equivalent according to Food Patterns is typically evaluated based on serving size and protein content.

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