Skeletal Muscle Anatomy Quiz
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Questions and Answers

What is the bundle of several skeletal muscle fibers called?

  • Myofibril
  • Muscle cell
  • Fascicle (correct)
  • Sarcomere
  • Which connective tissue surrounds each fascicle?

  • Epimysium
  • Thick myosin filament
  • Endomysium
  • Perimysium (correct)
  • What is the cell membrane surrounding skeletal muscle fibers called?

  • Sarcolemma (correct)
  • Sarcomere
  • Myofibril
  • Myosin
  • Do skeletal muscle fibers contain striations?

    <p>True</p> Signup and view all the answers

    What forms the boundary ends of each sarcomere?

    <p>Z disc or Z line</p> Signup and view all the answers

    During contraction, what filaments are grabbed and pulled toward the center of each sarcomere?

    <p>Thin (actin) filaments by thick (myosin) filaments</p> Signup and view all the answers

    What is the thicker protein filament in muscle tissue?

    <p>Myosin</p> Signup and view all the answers

    Do muscle fibers stretch during muscular contraction?

    <p>None of the above</p> Signup and view all the answers

    When myocytes contract, what happens to the cell shape?

    <p>The cell tends to shorten</p> Signup and view all the answers

    Which type of muscle tissue has striations?

    <p>Skeletal muscle and cardiac muscle</p> Signup and view all the answers

    What type of contractions do smooth muscles exhibit?

    <p>Involuntary</p> Signup and view all the answers

    How many nuclei do cardiac and smooth muscle cells have?

    <p>One nucleus</p> Signup and view all the answers

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