Chapter 27 Practice Questions
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Questions and Answers

Which type of vitamins dissolve in water?

  • Fat-soluble vitamins
  • Vitamin D
  • Vitamin A
  • Vitamin C (correct)

    • What is the general function of sugars and starch in our diet?

  • To promote brain function
  • To support muscle growth
  • To provide energy (correct)
  • To aid in digestion

    • How does dietary fiber differ from other dietary carbohydrates?

  • It is not digested by the body (correct)
  • It provides more calories
  • It is a type of sugar
  • It is found only in meat products

    • What are two primary functions of fats?

    <p>To provide energy and support brain function</p> Signup and view all the answers

    How do animal proteins and plant proteins differ in terms of obtaining essential amino acids?

    <p>Animal proteins contain more essential amino acids</p> Signup and view all the answers

    How can a vegetarian obtain all of the essential amino acids?

    <p>By consuming a variety of plant-based proteins</p> Signup and view all the answers

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

    <p>Water-soluble vitamins are easier to absorb</p> Signup and view all the answers

    Give an example of a function of fat-soluble vitamins in the body.

    <p>Blood clotting</p> Signup and view all the answers

    What is the difference between essential and nonessential vitamins?

    <p>Nonessential vitamins are produced by the body</p> Signup and view all the answers

    What are major minerals?

    <p>Minerals that are required in smaller amounts</p> Signup and view all the answers

    Which of the following best defines nutrition?

    <p>The study of how living organisms obtain and utilize nutrients needed to grow and sustain life</p> Signup and view all the answers

    Which of the following is considered a macronutrient?

    <p>Proteins</p> Signup and view all the answers

    What is the main difference between macronutrients and micronutrients?

    <p>Macronutrients are required in larger quantities than micronutrients</p> Signup and view all the answers

    What is the meaning of RDA?

    <p>Recommended Daily Amount</p> Signup and view all the answers

    Who establishes the values for nutrients in the RDA?

    <p>Food and Nutrition Board</p> Signup and view all the answers

    What is the purpose of the RDA?

    <p>To set standards for food labeling</p> Signup and view all the answers

    Which of the following is NOT a category of macronutrients?

    <p>Vitamins</p> Signup and view all the answers

    What are nonessential nutrients?

    <p>Nutrients that can be synthesized by the body</p> Signup and view all the answers

    What is the main role of micronutrients?

    <p>To support growth and repair</p> Signup and view all the answers

    Which of the following is NOT a nutrient?

    <p>Energy</p> Signup and view all the answers

    Which category of macronutrients includes triglycerides, phospholipids, and steroids?

    <p>Lipids</p> Signup and view all the answers

    Which type of fatty acids are solid at room temperature?

    <p>Saturated fatty acids</p> Signup and view all the answers

    Which macronutrient is primarily responsible for providing energy to the body?

    <p>Carbohydrates</p> Signup and view all the answers

    Which category of macronutrients is classified as monosaccharides, disaccharides, and polysaccharides?

    <p>Carbohydrates</p> Signup and view all the answers

    Which amino acids are considered essential and must be obtained from the diet?

    <p>Only 8 amino acids</p> Signup and view all the answers

    Which type of protein contains all essential amino acids?

    <p>Complete proteins</p> Signup and view all the answers

    Which macronutrient is classified as sugars, starch, and fiber when describing dietary sources?

    <p>Carbohydrates</p> Signup and view all the answers

    Which macronutrient adds bulk, stimulates peristalsis, and helps lower cholesterol?

    <p>Fiber</p> Signup and view all the answers

    What is the difference between a positive and negative nitrogen balance?

    <p>Positive nitrogen balance occurs during growth, while negative nitrogen balance occurs during malnutrition.</p> Signup and view all the answers

    Which macronutrient is structurally and functionally the most diverse?

    <p>Proteins</p> Signup and view all the answers

    Which of the following is NOT considered a macronutrient?

    <p>Vitamins</p> Signup and view all the answers

    What is the main difference between essential and nonessential nutrients?

    <p>Essential nutrients are obtained from the diet, while nonessential nutrients are produced by the body.</p> Signup and view all the answers

    What is the meaning of recommended daily allowance (RDA)?

    <p>The amount of a nutrient that should be obtained each day for optimal health.</p> Signup and view all the answers

    Which of the following is NOT one of the six nutrients required by the body?

    <p>Fats</p> Signup and view all the answers

    What is the difference between macronutrients and micronutrients?

    <p>Macronutrients are required in larger quantities than micronutrients.</p> Signup and view all the answers

    Which of the following is NOT a function of carbohydrates in our diet?

    <p>Regulating body temperature</p> Signup and view all the answers

    What are micronutrients?

    <p>Nutrients that are required in small quantities by the body.</p> Signup and view all the answers

    What is the role of water in our diet?

    <p>Transporting nutrients and waste</p> Signup and view all the answers

    Which of the following is an essential nutrient?

    <p>Vitamin C</p> Signup and view all the answers

    What is the role of minerals in our diet?

    <p>Maintaining proper bodily functions</p> Signup and view all the answers

    What is the general function of both sugars and starch in our diet?

    <p>Sugars and starch provide energy for the body.</p> Signup and view all the answers

    How does dietary fiber differ from other dietary carbohydrates?

    <p>Dietary fiber is not digestible by the body.</p> Signup and view all the answers

    What are two primary functions of fats?

    <p>Fats aid in the absorption of vitamins and minerals.</p> Signup and view all the answers

    Explain the general difference in animal proteins and plant proteins in terms of obtaining essential amino acids.

    <p>Animal proteins contain all essential amino acids, while plant proteins do not.</p> Signup and view all the answers

    How may a vegetarian obtain all of the essential amino acids?

    <p>By consuming a variety of plant proteins throughout the day.</p> Signup and view all the answers

    Distinguish between water-soluble and fat-soluble vitamins.

    <p>Water-soluble vitamins dissolve in water, while fat-soluble vitamins dissolve in fat.</p> Signup and view all the answers

    List examples of how both water-soluble and fat-soluble vitamins function in the body.

    <p>Water-soluble vitamins serve as antioxidants, while fat-soluble vitamins aid in hormone regulation.</p> Signup and view all the answers

    Describe the difference between essential and nonessential vitamins.

    <p>Essential vitamins must be obtained from the diet, while nonessential vitamins do not need to be.</p> Signup and view all the answers

    Define minerals, and list examples of how minerals absorbed in the small intestine function in the body.

    <p>Minerals are inorganic ions obtained from the diet.</p> Signup and view all the answers

    Distinguish between major minerals and trace minerals.

    <p>Major minerals are required in larger amounts than trace minerals.</p> Signup and view all the answers

    Which macronutrient is considered the primary energy-supplying nutrient?

    <p>Carbohydrates</p> Signup and view all the answers

    Which type of fatty acids are liquid at room temperature?

    <p>Unsaturated fatty acids</p> Signup and view all the answers

    What is the main function of cholesterol in the body?

    <p>Component of plasma membrane</p> Signup and view all the answers

    Which of the following is NOT a category of macronutrients?

    <p>Vitamins</p> Signup and view all the answers

    What is the difference between complete proteins and incomplete proteins?

    <p>Complete proteins contain all essential amino acids, while incomplete proteins do not</p> Signup and view all the answers

    Which of the following is a dietary source of carbohydrates?

    <p>Potatoes</p> Signup and view all the answers

    What is the main function of fiber in the diet?

    <p>Adds bulk</p> Signup and view all the answers

    What is the difference between positive and negative nitrogen balance?

    <p>Positive nitrogen balance occurs during growth and recovery from injury, while negative nitrogen balance occurs during malnutrition</p> Signup and view all the answers

    What are the two primary categories of fatty acids?

    <p>Saturated and unsaturated</p> Signup and view all the answers

    What is the main reason why protein is required in our diet?

    <p>To replace worn out protein structures</p> Signup and view all the answers

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