D2143 Nutrition Week 20 Lecture 1: Overview & Nutrient Assessment
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Questions and Answers

What is the definition of nutrition according to Webster's college dictionary?

  • The processes involved in the ingestion and utilization of food substances by which the growth and repair of the body are accomplished
  • Includes food ingestion, digestion, absorption, metabolism, and excretion
  • The maintenance of activities in the body as a whole and in any of its parts
  • The process by which nutrients are converted into living tissue (correct)

What is the primary difference between fat-soluble and water-soluble vitamins?

  • Fat-soluble vitamins have lower bioavailability compared to water-soluble vitamins
  • Fat-soluble vitamins dissolve in water while water-soluble vitamins dissolve in fat
  • Fat-soluble vitamins are stored in the body, unlike water-soluble vitamins (correct)
  • Fat-soluble vitamins are more abundant in foods than water-soluble vitamins

What does DRVs stand for in the context of nutrient requirements?

  • Dietary Recommended Values
  • Dietary Reference Values (correct)
  • Daily Recommended Vitamins
  • Defined Reference Values

Which statement best describes bioavailability in nutrition?

<p>It refers to the amount of nutrients obtained from foods that are then utilized by the body (B)</p> Signup and view all the answers

What aspect of nutrition does toxicity refer to?

<p>The maximum amount of a nutrient that can be safely consumed without causing harm (B)</p> Signup and view all the answers

Which of the following factors do not influence food intake according to the text?

<p>Economic regulation of food intake (B)</p> Signup and view all the answers

What is the main difference between vitamins and carbohydrates, fats, and proteins?

<p>Vitamins are individual units in structure, while carbohydrates, fats, and proteins are composed of molecules. (C)</p> Signup and view all the answers

What defines essential nutrients such as vitamins and minerals?

<p>They are organic or inorganic compounds required for normal body function and cannot be synthesized by the body. (A)</p> Signup and view all the answers

Which of the following statements accurately describes fat-soluble vitamins?

<p>They are often found in foods in inactive form known as precursors. (C)</p> Signup and view all the answers

How do water-soluble vitamins differ from fat-soluble vitamins?

<p>Fat-soluble vitamins are excreted easily by the body, unlike water-soluble vitamins. (D)</p> Signup and view all the answers

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