Hormonal Regulation Of Fuel Metabolism

56 Questions | Total Attempts: 66

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Metabolism Quizzes & Trivia

SGU BiochemistrySpring 2010Lecture 60: Dr. L. D.


Questions and Answers
  • 1. 
    The _____ of nutrients or metabolites in the blood affects the rate at which they are used and stored in different tissues. p1
  • 2. 
    _______ convey information to individual tissues about the physiological state of the body and the nutrient supply or demand p1
  • 3. 
    The ___ ____ system controls tissue metabolism, directly or through hormone release p1
  • 4. 
    Insulin and ______ are the two major hormones that regulate fuel storage and mobilization p1
  • 5. 
    Insulin is the major ____ hormone of the body p1
    • A. 

      Anabolic

    • B. 

      Catabolic

  • 6. 
    The major action of glucagon is to mobilize fuel stores by stimulating glycogenolysis and _______ p1
  • 7. 
    Like glucagon, epinephrine, norepinephrine, and _______ have counterrgulatory activity p1
  • 8. 
    _____ is a polypeptide hormone secreted by the B cells of the islets of Langerhans slide9
  • 9. 
    _____ is the most important hormone coordinating the use of fuels by tissues s9
    • A. 

      Glucagon

    • B. 

      Cortisol

    • C. 

      Epinephrine

    • D. 

      Insulin

    • E. 

      Norepinephrine

  • 10. 
    Insulin signals the fed state and thus stimulates the storage of fuels (glycogen and TAGs) and stimulates the synthesis of _____ s9
  • 11. 
    Insulin consists of 51 amino acids arranged in two polypeptide chains linked by two _____ _____. s10
  • 12. 
    ______ is the most important stimulus for insulin secretion s13
  • 13. 
    Ingestion of protein causes a transient rise in plasma ___ ____ levels, which induces insulin secretion p2
  • 14. 
    A number of gastrointestinal hormones, called ______, stimulate insulin secretion after the ingestion of food, causing an anticipatory rise in insulin levels.  This accounts for the fact that the same amount of glucose given orally induces a much greater secretion of insulin than given IV s13/14
  • 15. 
    Epinephrine is secreted by the _____ ________ in response to stress, trauma, or extreme exercise s15
  • 16. 
    Hyperglycemia leads to an increased transport of glucose into the B cell via ______ p3
    • A. 

      GLUT1

    • B. 

      GLUT2

    • C. 

      GLUT3

    • D. 

      GLUT4

    • E. 

      GLUT5

  • 17. 
    The entry of glucose into the glycolytic pathway results in a(n) ______ in ATP levels s16
    • A. 

      Increase

    • B. 

      Decrease

  • 18. 
    Insulin _____ glucose entry in muscle and adipose tissue s18
    • A. 

      Stimulates

    • B. 

      Inhibits

  • 19. 
    Insulin _____ glycogen synthesis in liver and muscle s18
    • A. 

      Inhibits

    • B. 

      Stimulates

  • 20. 
    Insulin _____ fatty acid synthesis and storage as TAG in adipose tissue s18
    • A. 

      Stimulates

    • B. 

      Inhibits

  • 21. 
    Insulin _____ glycolysis s18
    • A. 

      Stimulates

    • B. 

      Inhibits

  • 22. 
    Insulin ______ gluconeogenesis s18
    • A. 

      Sitmulates

    • B. 

      Inhibits

  • 23. 
    Insulin ______ amino acid uptake by muscle s18
    • A. 

      Inhibits

    • B. 

      Stimulates

  • 24. 
    The insulin receptor is a member of the ____ kinase family of receptors p3
  • 25. 
    Insulin ____ hormone-sensitive lipase in adipose tissue p4
    • A. 

      Inhibits

    • B. 

      Stimulates