Effect of Proteins on Energy Expenditure
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Questions and Answers

What effect do proteins have on energy turnover compared to carbohydrates and fats?

  • Proteins have the same effect on energy turnover as carbohydrates and fats.
  • Proteins have a negligible effect on energy turnover compared to carbohydrates and fats.
  • Proteins increase energy turnover twice as long as carbohydrates and fats. (correct)
  • Proteins decrease energy turnover compared to carbohydrates and fats.
  • Which nutrient type has the highest energy expenditure following absorption?

  • Proteins (correct)
  • Vitamins
  • Carbohydrates
  • Fats
  • What is one possible mechanism for the creation of nutrition-induced thermogenesis?

  • Reduced physical activity
  • Decreased gastrointestinal system functioning
  • Direct or hormonally mediated effect of absorbed nutrients on cell metabolism (correct)
  • Increased brain activity
  • What percentage of the body's total daily energy expenditure could be accounted for by food-induced thermogenesis with moderate physical activity?

    <p>8-15%</p> Signup and view all the answers

    What percentage of the total daily energy expenditure falls on activity with greater activity levels?

    <p>&gt;50%</p> Signup and view all the answers

    How is Total Energy Expenditure (TEE) estimated according to the text?

    <p>Through calculation of basic energy turnover, nutrition-induced thermogenesis, and daily activity levels</p> Signup and view all the answers

    What is the main factor that contributes to total energy expenditure (TEE) during normal daily activity?

    <p>All of the above</p> Signup and view all the answers

    What are the key conditions required for measuring a person's basal metabolic rate (BMR)?

    <p>Measurement in the morning, after at least 8 hours of fasting, in a rested state, and at a temperature of approximately 20°C</p> Signup and view all the answers

    Which of the following factors can influence a person's basal metabolic rate (BMR)?

    <p>All of the above</p> Signup and view all the answers

    What is the main effect of consuming a meal on a person's energy expenditure?

    <p>Energy expenditure increases for a few hours after the meal</p> Signup and view all the answers

    Which of the following is NOT a process that contributes to basal metabolic rate (BMR)?

    <p>Muscle activity</p> Signup and view all the answers

    How does muscle activity energy expenditure contribute to total energy expenditure (TEE)?

    <p>Muscle activity energy expenditure is the third-largest component of TEE after BMR and diet-induced thermogenesis (DIT)</p> Signup and view all the answers

    Which tissue primarily relies on ketone bodies as an energy source during prolonged fasting?

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

    What are the three main ketone bodies produced during ketosis?

    <p>Acetoacetate, acetone, and β-hydroxybutyrate</p> Signup and view all the answers

    What is the primary source of energy for skeletal muscle during prolonged fasting?

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

    Which process is increased during fasting to provide energy for the brain?

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

    What is the primary source of free fatty acids during fasting?

    <p>Adipose tissue triglycerides</p> Signup and view all the answers

    Which process is increased in skeletal muscle during fasting to provide energy?

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

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