Muscle Contraction and Relaxation Quiz
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Questions and Answers

Which type of filaments are important organelles in the skeletal muscle system?

  • Both thin and thick filaments (correct)
  • Myofibrils
  • Thin filaments
  • Thick filaments

    • What is muscle relaxation?

  • Activation of tension-generating sites within muscle cells
  • Changes in muscle length
  • Muscle shortening
  • A return of the muscle fibers to their low tension-generating state (correct)

    • How is muscle contraction described based on two variables?

  • Length and tension (correct)
  • Length and muscle fibers
  • Tension and relaxation
  • Length and relaxation

    • What are the two types of filaments involved in muscle contraction?

    <p>Thin and thick filaments</p> Signup and view all the answers

    When can muscle tension be produced without changes in muscle length?

    <p>When holding something heavy in the same position</p> Signup and view all the answers

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