Metabolism and Nutrition: Overview of Metabolic Reactions
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Questions and Answers

What percentage of energy used during ATP production creates heat?

  • 60% (correct)
  • 70%
  • 40%
  • 80%

    • Which method of heat transfer accounts for the largest percentage of heat loss in a naked human?

  • Evaporation
  • Convection
  • Conduction
  • Radiation (correct)

    • What is the approximate number of calories that must be burned to lose one pound of fat?

  • 2500 calories
  • 4500 calories
  • 1500 calories
  • 3500 calories (correct)

    • Which of the following macronutrients requires the most energy to break down during digestion?

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

    Which of the following vitamins are fat-soluble?

    <p>Vitamin A, Vitamin D, Vitamin E, and Vitamin K</p> Signup and view all the answers

    What percentage of the basal metabolic rate (BMR) is attributed to basic organ function in the body?

    <p>70%</p> Signup and view all the answers

    Which of the following is NOT a characteristic of catabolic reactions?

    <p>Producing larger molecules by using energy</p> Signup and view all the answers

    What is the primary role of ATP in the body?

    <p>Providing the energy currency for cellular processes</p> Signup and view all the answers

    Which of the following is NOT a product of the Krebs cycle?

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

    Which hormone is responsible for stimulating the release of pancreatic lipase and bile salts during lipid metabolism?

    <p>Cholecystokinin (CCK)</p> Signup and view all the answers

    What is the primary function of the urea cycle?

    <p>Removing excess nitrogen from the body</p> Signup and view all the answers

    During the absorptive state, what is the relationship between catabolism and anabolism?

    <p>Anabolism is greater than catabolism</p> Signup and view all the answers

    What is the primary role of the electron transport chain (ETC)?

    <p>Producing ATP through oxidative phosphorylation</p> Signup and view all the answers

    Which of the following is a product of ketogenesis?

    <p>Ketone bodies</p> Signup and view all the answers

    What is the primary role of gluconeogenesis?

    <p>Producing glucose from non-carbohydrate precursors</p> Signup and view all the answers

    What is the primary energy source during the starvation state?

    <p>Ketone bodies</p> Signup and view all the answers

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