Muscle Functions of Facial Expressions
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Questions and Answers

Which muscle is primarily responsible for raising the corner of the mouth to create a smile?

  • Risorius
  • Zygomaticus Major (correct)
  • Depressor Anguli Oris
  • Levator Anguli Oris
  • What is the function of the Zygomaticus Minor?

  • Lifts the angle of the mouth
  • Raises the upper lip (correct)
  • Draws the corner of the mouth laterally
  • Lowers the lower lip
  • Which muscle lowers the angle of the mouth?

  • Levator Anguli Oris
  • Zygomaticus Major
  • Depressor Anguli Oris (correct)
  • Risorius
  • Which muscle's primary action is to lower the lower lip?

    <p>Depressor Labii Inferior</p> Signup and view all the answers

    Which muscle draws the corner of the mouth laterally?

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

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