General Anatomy: Branches of the Mandibular Nerve
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Questions and Answers

What is the course of the buccal branch of the mandibular nerve?

  • It passes medially to the medial surface of the temporalis muscle
  • It runs along the lateral surface of the ramus of the mandible
  • It clears the ramus of the mandible to lie on the lateral surface of the buccinator muscle in the cheek (correct)
  • It runs along the medial surface of the mandible

    • What is the function of the auriculotemporal nerve?

  • It is primarily a motor nerve
  • It is a branch of the posterior trunk of the facial nerve
  • It is a pure sensory nerve
  • It distributes autonomic fibers to the parotid gland (correct)

    • What is the relationship between the buccal branch of the mandibular nerve and the buccal branches of the facial nerve?

  • They have different functions
  • They have different origins
  • They anastomose with each other (correct)
  • They are alternatives to each other

    • What is the primary function of the nerve to the lateral pterygoid muscle?

    <p>It is a motor nerve</p> Signup and view all the answers

    What is the course of the auriculotemporal nerve?

    <p>It arises as two roots that encircle the middle meningeal artery and unite behind the artery</p> Signup and view all the answers

    What is the course of the Meningeal Branch (Nervus Spinosus)?

    <p>It runs back into the middle cranial fossa through the foramen spinosum</p> Signup and view all the answers

    Which muscle does the Nerve to the Medial Pterygoid Muscle supply?

    <p>Lateral pterygoid and medial pterygoid muscles</p> Signup and view all the answers

    What is the distribution of the buccal branch of the mandibular nerve?

    <p>It supplies the buccal sulcus and the buccal gingiva</p> Signup and view all the answers

    Which branch of the mandibular nerve is usually the first branch of the anterior trunk?

    <p>Masseteric nerve</p> Signup and view all the answers

    What is the distribution of the Masseteric nerve?

    <p>It is distributed into the masseter muscle and gives an articular branch to the temporomandibular joint</p> Signup and view all the answers

    How many deep temporal nerves may be recognized?

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

    Which branch of the mandibular nerve supplies the mucosa of the mastoid antrum and mastoid air cells?

    <p>Meningeal branch (Nervus Spinosus)</p> Signup and view all the answers

    Which of the following nerves is responsible for supplying structures derived from the first branchial arch?

    <p>Mandibular nerve</p> Signup and view all the answers

    Which fibers of the mandibular nerve supply the mucosa of the anterior two-thirds of the tongue?

    <p>Sensory fibers</p> Signup and view all the answers

    Which muscles are supplied by the motor fibers of the mandibular nerve?

    <p>The four muscles of mastication, mylohyoid, and anterior belly of digastric</p> Signup and view all the answers

    Where does the mandibular nerve lie immediately after leaving the foramen ovale?

    <p>On the tensor veli palatini muscle</p> Signup and view all the answers

    What is the location of the motor root in relation to the sensory root within the foramen ovale?

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

    What structures accompany the roots of the mandibular nerve within the foramen ovale?

    <p>Emissary veins, lesser petrosal nerve, and accessory meningeal artery</p> Signup and view all the answers

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