Fuel Homeostasis and Glucose Regulation Quiz
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Questions and Answers

During which state are ingested nutrients entering the blood from the GI tract?

  • Glycogen storage state
  • Absorptive state (correct)
  • Postabsorptive state
  • Excretory state
  • What is the main substrate that the CNS is reliant on for metabolism?

  • Fat
  • Amino acids
  • Protein
  • Glucose (correct)
  • Which organ is the major triacylglycerol store in the body?

  • Liver
  • Adipose (correct)
  • Muscle
  • Pancreas
  • What happens during the postabsorptive state?

    <p>GI tract is empty and energy is supplied by body stores</p> Signup and view all the answers

    Where does excess glucose get converted to fatty acids?

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

    What is the primary reason for the need for fuel homeostasis?

    <p>To ensure sporadic intake of food aligns with constant tissue nutrient requirements</p> Signup and view all the answers

    During which state are ingested nutrients entering the blood from the GI tract?

    <p>Absorptive state</p> Signup and view all the answers

    Which organ serves as the major glycogen store in the body?

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

    What is the primary metabolic substrate that the CNS relies on?

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

    Which process occurs when the GI tract is empty and energy is supplied by body stores?

    <p>Postabsorptive state</p> Signup and view all the answers

    Glucose homeostasis ensures that plasma glucose is maintained between 5mM and 10mM in normal adult humans, primarily to meet the energy demands of the ________.

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

    During the absorptive state, carbohydrate is absorbed as ________, or converted to glucose.

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

    The liver serves as a major ________ store in the body.

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

    During the postabsorptive state, energy is supplied by body ________.

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

    The digestive system absorbs fat through lymphatics in ________.

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

    What are the main substrates absorbed during the absorptive state meal?

    <p>carbohydrate, protein, fat</p> Signup and view all the answers

    What are the three major organs involved in fuel homeostasis?

    <p>liver, adipose, muscle</p> Signup and view all the answers

    What are the two states of nutrient utilization in the body?

    <p>absorptive and postabsorptive</p> Signup and view all the answers

    What is the primary metabolic substrate that the CNS relies on?

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

    What is the normal range for maintaining plasma glucose in adult humans?

    <p>5mM and 10mM</p> Signup and view all the answers

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