Temporomandibular Joint (TMJ) Anatomy Quiz
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Questions and Answers

Which muscle is responsible for elevating the mandible during the process of chewing?

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

    • What type of synovial joint is the temporomandibular joint (TMJ)?

  • Ball and socket joint
  • Combined hinge and planar joint (correct)
  • Pivot joint
  • Hinge joint

    • Which structure in the TMJ articulates with the articular tubercle of the temporal bone?

  • Condylar process (correct)
  • Disc
  • Articular surfaces
  • Mandibular fossa

    • Which muscle is responsible for closing the eyelids?

    <p>Orbicularis Oculi</p> Signup and view all the answers

    What is the primary function of Levator Palpebrae Superioris?

    <p>Elevating and retracting the upper eyelid</p> Signup and view all the answers

    Which part of the skull is the Galea aponeurotica layer attached to?

    <p>Superior nuchal line</p> Signup and view all the answers

    In which area is the muscle Frontalis located?

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

    What does the TMJ-articular disc (meniscus) do?

    <p>Separates the joint cavity into superior and inferior compartments</p> Signup and view all the answers

    Which structure has a loose covering around the circumference of the joint?

    <p>Articular capsule</p> Signup and view all the answers

    Where does the TMJ-lateral ligament extend from and to?

    <p>From tubercle of the zygomatic process to the neck of the mandible</p> Signup and view all the answers

    What is the function of TMJ-Sphenomandibular ligament?

    <p>Contributes significantly to the strength of TMJ</p> Signup and view all the answers

    Which ligament separates the parotid gland from the submandibular gland?

    <p>Stylomandibular ligament</p> Signup and view all the answers

    How is dislocation of TMJ commonly caused?

    <p>Dislocation is caused by a sideways blow to the chin</p> Signup and view all the answers

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