The Feed-fast Cycle Quiz! Trivia

17 Questions | Total Attempts: 559

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The Feed-fast Cycle Quiz! Trivia

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Questions and Answers
  • 1. 
    After a typical high carbohydrate meal, the pancreas is stimulated to release ____.
  • 2. 
    The ____ is the first tissue to have the opportunity to use dietary glucose.
  • 3. 
    ____ ________, which catalyzes the first step in gluconeogenesis is inactive due to low levels of acetyl CoA.
  • 4. 
    Long-term effects: insulin induces the synthesis of _____ and pyruvate kinase.
  • 5. 
    The ____ cycle is interrupted in the well-fed state.
  • 6. 
    Acetyl CoA is used for fatty acid synthesis and ____ synthesis.  Both synthetic pathways are activated by insulin.
  • 7. 
    The high ______ ratio increases the concentration of fructose 2,6-bisphosphate to ____ glycolysis in the well-fed state.
    • A. 

      Glucagon/insulin, activate

    • B. 

      Glucagon/insulin, inactivate

    • C. 

      Insulin/glucagon, activate

    • D. 

      Insulin/glucagon, inactivate

  • 8. 
    Elevated insulin levels lead to _____ and therefore ______ of hormone-sensitive lipase.
    • A. 

      Phosphorylation / activation

    • B. 

      Phosphorylation / inactivation

    • C. 

      Dephosphorylation / activation

    • D. 

      Dephosphorylation / inactivation

  • 9. 
    In the well-fed state, ___ is the primary source of energy for muscle.
  • 10. 
    Except in conditions of starvation, ____ is the only fuel for the brain.
  • 11. 
    Red blood cells can use only glucose as fuel because they lack _________ 
  • 12. 
    During fasting, the liver converts fatty acids into ___ ____ which are released into the blood.
  • 13. 
    Stored fuels suffice for caloric needs for 3 months, but _____ reserves are gone in one day. 
  • 14. 
    ____ plays an essential role in maintaining blood glucose levels during overnight and prolonged fasting.
  • 15. 
    In the fasting state, the liver gets energy by oxidizing ___ ___ released from adipose tissue.
  • 16. 
    In the fasting state, uptake of fatty acids is
    • A. 

      Increased

    • B. 

      Decreased

  • 17. 
    In starvation periods longer than two to three weeks, plasma ___ ___ may supply as much as 2/3 of the energy requirements of the brain.