Bio 130 Chapter 9 Quiz (Muscle Physiology)

12 Questions | Total Attempts: 239

SettingsSettingsSettings
Please wait...
Muscle Physiology Quizzes & Trivia

This is a small quiz based on the chapter review emailed to the class.


Questions and Answers
  • 1. 
    What is the basic unit of a mechanical action with a skeletal muscle?
    • A. 

      Motor unit

    • B. 

      Twitch

    • C. 

      Tetanus

    • D. 

      Contraction

  • 2. 
    What is the lag time between stimulation of a muscle and the response?
    • A. 

      Relaxation Period

    • B. 

      Contration Period

    • C. 

      Latent Period

    • D. 

      Threshold Stimulas

  • 3. 
    Represented by an upward sweeping line on a myogram?
    • A. 

      Relaxation Period

    • B. 

      Contration Period

    • C. 

      Latent Period

    • D. 

      Threshold Stimulas

  • 4. 
    Muscle tention increase during which period?
    • A. 

      Relaxation Period

    • B. 

      Contraction Period

    • C. 

      Latent Period

    • D. 

      Threshold Stimulas

  • 5. 
    The downward curve back to the baseline of a myogram represent which period?
    • A. 

      Relaxation Period

    • B. 

      Contraction Period

    • C. 

      Latent Period

    • D. 

      Threshold Stimulas

  • 6. 
    Muscle fibers either fully contract or relax due to which theory?
    • A. 

      Summation of twitches

    • B. 

      Incomplete tetanus

    • C. 

      All-or-None law

    • D. 

      Complete tetanus

  • 7. 
    A muscle fiber remains unresponsive to stimulas until
    • A. 

      Relaxtion Period

    • B. 

      Contration Period

    • C. 

      Latent Period

    • D. 

      Threshold Stimulas

  • 8. 
    Wave summation is also know as?
    • A. 

      Motor unit

    • B. 

      Summation of Twitches

    • C. 

      Complete Titanic Contration

    • D. 

      Incomplete Tetanus

  • 9. 
    When a contration period is interrupted often, the myogram displays a 
    • A. 

      Staircase

    • B. 

      Curve

    • C. 

      Smooth line

    • D. 

      Lightning bolt

  • 10. 
    When is a muscle stimulated so often that the contration period is interrupted?
    • A. 

      Incomplete tetanus

    • B. 

      Complete titanic contration

    • C. 

      Complete tetanus

    • D. 

      Both B and C

  • 11. 
    How is continuous stimulation at relaxtion displayed on a myogram?
    • A. 

      Staircase

    • B. 

      Smooth line

    • C. 

      Curve

    • D. 

      Lightning bolt

  • 12. 
    Continuous stimulation at relaxation interrupting frequencies results in?
    • A. 

      Complete titanic contraction

    • B. 

      Complete Tetanus

    • C. 

      Threshold Stimulas

    • D. 

      Incomplete Tetanus