Human Anatomy Quiz: Muscles and Movements
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Questions and Answers

What does the sagittal plane divide the body into?

  • Upper and lower segments
  • Medial and lateral parts
  • Anterior and posterior parts
  • Right and left equal halves (correct)
  • Which type of muscle is responsible for involuntary movements in the body?

  • Skeletal muscle
  • Striated muscle
  • Cardiac muscle
  • Smooth muscle (correct)
  • What type of muscle is primarily involved in the rhythmic contractions of the heart?

  • Cardiac muscle (correct)
  • Striated muscle
  • Skeletal muscle
  • Smooth muscle
  • In anatomical position, where are the palms of the hands facing?

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

    What does flexion refer to in terms of joint movement?

    <p>Movement of bending</p> Signup and view all the answers

    Which type of muscle is responsible for voluntary movement and makes up about 40% of total body mass?

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

    Which term describes the position when a person is lying face down?

    <p>Prone position</p> Signup and view all the answers

    What is the term for the muscle that initiates a particular movement?

    <p>Prime mover</p> Signup and view all the answers

    What type of skeletal muscle fibers are arranged in a fan-like structure and converge from origin to insertion?

    <p>Triangular muscle</p> Signup and view all the answers

    What does the term 'abduction' refer to in anatomical terms?

    <p>Drawing a limb away from the median plane</p> Signup and view all the answers

    Which of the following pairs of terms refers to directions closer to the trunk versus farther away?

    <p>Proximal and distal</p> Signup and view all the answers

    Which of the following correctly describes smooth muscles?

    <p>Formed of long spindle-shaped cells and controlled involuntarily</p> Signup and view all the answers

    What is the primary function of skeletal muscles?

    <p>Enabling voluntary movement</p> Signup and view all the answers

    Which skeletal muscle structure is characterized by fibers that slope into one side of a central tendon?

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

    Which of the following describes the action of the antagonist in muscle movement?

    <p>Opposes the action of the prime mover</p> Signup and view all the answers

    What is the function of the central nuclei in cardiac muscle cells?

    <p>Support rhythmic contraction</p> Signup and view all the answers

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