Muscular Physiology Warm Up 1

10 Questions | Total Attempts: 51

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Muscular Physiology Warm Up 1

I would like to welcome you to the 21st century classroom of human anatomy and physiology. This warm-up or bell ringer on the "overview of the muscle cell". You will find vocabulary terms being used to review and test your basic knowledge. When "fill-in" questions appear in the test, please enter all answers in lower case letters. I wish you the best of luck and make high marks on this physiology of the muscular system.


Questions and Answers
  • 1. 
    _____ is the segment that runs the entire length of the thick filaments.
    • A. 

      A band

    • B. 

      I band

    • C. 

      K band

    • D. 

      P band

    • E. 

      H zone

  • 2. 
    _____ is the segment that includes the Z line and the ends of the thin filaments where they do not overlap the thick filaments.
    • A. 

      A band

    • B. 

      I band

    • C. 

      K band

    • D. 

      P band

    • E. 

      H zone

  • 3. 
    _____ is the middle region of the thick filaments where they do not overlap the thin filaments.
    • A. 

      A band

    • B. 

      I band

    • C. 

      K band

    • D. 

      P band

    • E. 

      H zone

    • F. 

      Q zone

    • G. 

      M line

    • H. 

      Z disk

  • 4. 
    _____ is the cytoplasm found in the sarcolemma.
    • A. 

      Sarcomere

    • B. 

      Sarcoplasm

    • C. 

      Scarcolemma

    • D. 

      T tubules

    • E. 

      Myofibril

  • 5. 
    Detailed analysis of the sarcomere also shows that the myosin filaments are held together and stabilized by protein molecules that form the _____.
    • A. 

      A band

    • B. 

      I band

    • C. 

      K band

    • D. 

      P band

    • E. 

      H zone

    • F. 

      Q zone

    • G. 

      M line

    • H. 

      Z disk

    • I. 

      Z line

  • 6. 
    The Z line is often called the _____
    • A. 

      A band

    • B. 

      I band

    • C. 

      K band

    • D. 

      P band

    • E. 

      H zone

    • F. 

      Q zone

    • G. 

      M line

    • H. 

      Z disk

    • I. 

      Z line

  • 7. 
    In addition to thick and thin filaments, each sarcomere has numberous elastic I bands.
    • A. 

      True

    • B. 

      False

  • 8. 
    Dystropin is a protein that holds the actin filaments to the sarcolemma.
    • A. 

      True

    • B. 

      False

  • 9. 
    The _____ is very useful as a landmark separating one sarcomere from the next.
    • A. 

      A band

    • B. 

      I band

    • C. 

      K band

    • D. 

      P band

    • E. 

      H zone

    • F. 

      Q zone

    • G. 

      M line

    • H. 

      Z disk

    • I. 

      Z line

  • 10. 
    ___ is the plasma membrane of a muscle fiber.
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