Anatomy of Glossopharyngeal Nerve Quiz
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Questions and Answers

What separates the oral cavity into the oral vestibule and the oral cavity proper?

  • Lateral walls
  • Roof and floor
  • Upper and lower dental arches (correct)
  • Muscular diaphragm
  • Which muscle forms the skeletal muscle within the cheeks?

  • Buccinator muscle (correct)
  • Superior constrictor muscle
  • Geniohyoid muscle
  • Mylohyoid muscle
  • What fills the U-shaped gap between the left and right sides of the body of the mandible?

  • Geniohyoid muscles
  • Mylohyoid muscles (correct)
  • Tongue
  • Buccinator muscles
  • Which structure is superior to the geniohyoid muscles in the oral cavity?

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

    What is the anterior opening of the oral cavity called?

    <p>Oral fissure</p> Signup and view all the answers

    To what structure does the oropharyngeal isthmus open into?

    <p>Oral part of the pharynx</p> Signup and view all the answers

    The glossopharyngeal nerve emerges from which part of the brain?

    <p>The medulla oblongata</p> Signup and view all the answers

    Which arteries does the glossopharyngeal nerve cross to reach the tongue?

    <p>Internal and external carotid arteries</p> Signup and view all the answers

    The glossopharyngeal nerve leaves the skull through which foramen?

    <p>Jugular foramen</p> Signup and view all the answers

    Which muscle depresses the soft palate and moves the palatopharyngeal arch toward the midline?

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

    Which artery continues through the greater palatine foramen onto the inferior surface of the hard palate?

    <p>Greater palatine artery</p> Signup and view all the answers

    Into which network of veins does the venous drainage of the palate drain?

    <p>Pterygoid plexus of veins</p> Signup and view all the answers

    The greater palatine nerve supplies which part of the palate as far as the first premolar?

    <p>Hard palate</p> Signup and view all the answers

    Which nerve passes posteromedially to supply the soft palate?

    <p>Lesser palatine nerve</p> Signup and view all the answers

    Which artery supplies vessels to the molars and premolars through small canals in the bone?

    <p>Superior alveolar artery</p> Signup and view all the answers

    The anterior superior alveolar artery originates from which artery in the infra-orbital canal?

    <p>Maxillary artery</p> Signup and view all the answers

    Which branch of the maxillary artery supplies vessels to the chin?

    <p>Mental branch</p> Signup and view all the answers

    Which muscle elevates the soft palate above its neutral position?

    <p>Levator veli palatini</p> Signup and view all the answers

    Which nerve innervates the mylohyoid muscle?

    <p>Inferior alveolar nerve</p> Signup and view all the answers

    What is the action of the geniohyoid muscle?

    <p>Elevates hyoid bone</p> Signup and view all the answers

    Which papillae contain taste buds?

    <p>Fungiform papillae</p> Signup and view all the answers

    Where are vallate (circumvallate) papillae located?

    <p>Posterior surface of the tongue</p> Signup and view all the answers

    Which nerve provides parasympathetic innervation to increase saliva secretion?

    <p>Chorda tympani nerve</p> Signup and view all the answers

    What is the action of the superior longitudinal muscle of the tongue?

    <p>Shortens tongue; curls apex and sides of tongue</p> Signup and view all the answers

    What is the location of the sublingual gland?

    <p>Medial surface of the mandible (sublingual fossa)</p> Signup and view all the answers

    Which muscle originates from the superior mental spines?

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

    Which nerve loops under the submandibular duct?

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

    What structures pass through the triangular aperture?

    <p>Hyoglossus, styloglossus, lingual nerve, hypoglossal nerve</p> Signup and view all the answers

    Why does local infiltration not work in the adult mandible?

    <p>Because of the dense cortical bone</p> Signup and view all the answers

    Which nerve provides general sensation from the anterior two-thirds of the tongue?

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

    What is the method for performing a mental/incisive nerves block?

    <p>Inserting the needle into the mucosa between the medial border of the mandibular ramus and the maxillary tuberosity</p> Signup and view all the answers

    What is the function of hypoglossal nerve?

    <p>Motor innervation to the tongue muscles</p> Signup and view all the answers

    Where does the hypoglossal nerve emerge from?

    <p>Medulla oblongata</p> Signup and view all the answers

    What areas are anesthetized by an inferior alveolar nerve block?

    <p>All buccal gingiva and mucosa from the premolars to the midline</p> Signup and view all the answers

    What is the main function of sympathetic innervation for submandibular and sublingual glands?

    <p>Decrease saliva secretion mainly by vasoconstriction</p> Signup and view all the answers

    Which nerve is joined by the chorda tympani nerve?

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

    How is maxillary anesthesia typically performed?

    <p>Local infiltration</p> Signup and view all the answers

    Which muscle originates from the styloid process?

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

    What is a characteristic of sublingual gland?

    <p>Ducts open onto the crest of sublingual fold</p> Signup and view all the answers

    What is a characteristic of submandibular gland?

    <p>Opens into: sublingual caruncle (papilla) beside base of frenulum of tongue</p> Signup and view all the answers

    What is involved in a field block for anesthesia?

    <p>Injecting tissue immediately around surgical site</p> Signup and view all the answers

    What causes transient, dental-induced Bell’s palsy during anesthesia?

    <p>Placement of needle too far posteriorly in parotid bed and introduction of anesthetic close to facial nerve</p> Signup and view all the answers

    Which artery supplies the lingual gingiva of the tongue?

    <p>Lingual artery of the tongue</p> Signup and view all the answers

    From which nerve does the mental branch originate?

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

    Which nerve innervates the molar teeth?

    <p>Posterior superior alveolar nerve</p> Signup and view all the answers

    Where does the middle superior alveolar nerve originate from?

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

    What defines the lateral margins of the oropharyngeal isthmus?

    <p>Palatoglossal arches</p> Signup and view all the answers

    Which gland secretes saliva right before or during eating?

    <p>Parotid gland</p> Signup and view all the answers

    Which muscle defines the lateral margins of the oropharyngeal isthmus?

    <p>Palatoglossus muscles</p> Signup and view all the answers

    Which nerve supplies sensory innervation to the parotid gland?

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

    Which relation of the parotid gland is in contact with the sternocleidomastoid muscle?

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

    Which duct penetrates the buccinator muscle before opening into the oral cavity?

    <p>Parotid duct (Stensen duct)</p> Signup and view all the answers

    Which lobe of the parotid gland does the facial nerve pass through?

    <p>Superficial lobe</p> Signup and view all the answers

    Which vessel runs through the parotid gland?

    <p>External carotid artery and its branches</p> Signup and view all the answers

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