Muscle Functions in Oral Anatomy
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Questions and Answers

What is the primary function of the masseter muscle?

  • Elevation of the mandible (correct)
  • Lateral movement of the mandible
  • Retrusion of the mandible
  • Protrusion of the mandible

    • Which muscle originates from the temporal fossa?

  • Medial Pterygoid
  • Temporalis (correct)
  • Masseter
  • Lateral Pterygoid

    • Which palatal muscle is responsible for elevating the soft palate?

  • Palatoglossus
  • Tensor Veli Palatini
  • Uvular Muscles
  • Levator Veli Palatini (correct)

    • Which of the following muscles is innervated by the masseteric branch of CNV3?

    <p>Masseter (C)</p> Signup and view all the answers

    What action does the medial pterygoid muscle mainly perform?

    <p>Elevation (A)</p> Signup and view all the answers

    What is the primary function of the lateral pterygoid muscle?

    <p>Protrusion and side to side movement of the mandible (B)</p> Signup and view all the answers

    Which head of the lateral pterygoid muscle originates from the greater wing of the sphenoid bone?

    <p>Superior head (C)</p> Signup and view all the answers

    What is the innervation of the palatoglossus muscle?

    <p>Pharyngeal plexus of vagus nerve (A)</p> Signup and view all the answers

    What action does the palatoglossus muscle perform?

    <p>Elevates and arches the tongue (B)</p> Signup and view all the answers

    If the left lateral pterygoid muscle is contracting, which direction will the mandible move?

    <p>To the right (C)</p> Signup and view all the answers

    What is the primary function of the Levator Veli Palatini muscle?

    <p>Raising the soft palate to contact the posterior pharyngeal wall (C)</p> Signup and view all the answers

    Which nerve innervates the Tensor Veli Palatini muscle?

    <p>Pterygoid nerve branches of CN V3 (D)</p> Signup and view all the answers

    What action does the Uvular muscles primarily perform?

    <p>Elevating and retracting the uvula (B)</p> Signup and view all the answers

    What anatomical structure does the Tensor Veli Palatini insert into?

    <p>Median palatine raphe (C)</p> Signup and view all the answers

    Which muscle is responsible for moving the soft palate posteroinferiorly?

    <p>Palatopharyngeal muscle (B)</p> Signup and view all the answers

    What is the role of the Pharyngeal plexus of vagus nerve (CN X) in palatopharyngeal function?

    <p>It innervates the soft palate and muscles related to swallowing (B)</p> Signup and view all the answers

    Which anatomical position is associated with the action of raising the soft palate?

    <p>Soft palate (C)</p> Signup and view all the answers

    Which structure moves the posterior pharyngeal wall anterosuperiorly?

    <p>Levator Veli Palatini (D)</p> Signup and view all the answers

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