54 Questions
What separates the oral cavity into the oral vestibule and the oral cavity proper?
Upper and lower dental arches
Which muscle forms the skeletal muscle within the cheeks?
Buccinator muscle
What fills the U-shaped gap between the left and right sides of the body of the mandible?
Mylohyoid muscles
Which structure is superior to the geniohyoid muscles in the oral cavity?
Tongue
What is the anterior opening of the oral cavity called?
Oral fissure
To what structure does the oropharyngeal isthmus open into?
Oral part of the pharynx
The glossopharyngeal nerve emerges from which part of the brain?
The medulla oblongata
Which arteries does the glossopharyngeal nerve cross to reach the tongue?
Internal and external carotid arteries
The glossopharyngeal nerve leaves the skull through which foramen?
Jugular foramen
Which muscle depresses the soft palate and moves the palatopharyngeal arch toward the midline?
Palatopharyngeus
Which artery continues through the greater palatine foramen onto the inferior surface of the hard palate?
Greater palatine artery
Into which network of veins does the venous drainage of the palate drain?
Pterygoid plexus of veins
The greater palatine nerve supplies which part of the palate as far as the first premolar?
Hard palate
Which nerve passes posteromedially to supply the soft palate?
Lesser palatine nerve
Which artery supplies vessels to the molars and premolars through small canals in the bone?
Superior alveolar artery
The anterior superior alveolar artery originates from which artery in the infra-orbital canal?
Maxillary artery
Which branch of the maxillary artery supplies vessels to the chin?
Mental branch
Which muscle elevates the soft palate above its neutral position?
Levator veli palatini
Which nerve innervates the mylohyoid muscle?
Inferior alveolar nerve
What is the action of the geniohyoid muscle?
Elevates hyoid bone
Which papillae contain taste buds?
Fungiform papillae
Where are vallate (circumvallate) papillae located?
Posterior surface of the tongue
Which nerve provides parasympathetic innervation to increase saliva secretion?
Chorda tympani nerve
What is the action of the superior longitudinal muscle of the tongue?
Shortens tongue; curls apex and sides of tongue
What is the location of the sublingual gland?
Medial surface of the mandible (sublingual fossa)
Which muscle originates from the superior mental spines?
Genioglossus
Which nerve loops under the submandibular duct?
Lingual nerve
What structures pass through the triangular aperture?
Hyoglossus, styloglossus, lingual nerve, hypoglossal nerve
Why does local infiltration not work in the adult mandible?
Because of the dense cortical bone
Which nerve provides general sensation from the anterior two-thirds of the tongue?
Lingual nerve
What is the method for performing a mental/incisive nerves block?
Inserting the needle into the mucosa between the medial border of the mandibular ramus and the maxillary tuberosity
What is the function of hypoglossal nerve?
Motor innervation to the tongue muscles
Where does the hypoglossal nerve emerge from?
Medulla oblongata
What areas are anesthetized by an inferior alveolar nerve block?
All buccal gingiva and mucosa from the premolars to the midline
What is the main function of sympathetic innervation for submandibular and sublingual glands?
Decrease saliva secretion mainly by vasoconstriction
Which nerve is joined by the chorda tympani nerve?
Facial nerve
How is maxillary anesthesia typically performed?
Local infiltration
Which muscle originates from the styloid process?
Styloglossus
What is a characteristic of sublingual gland?
Ducts open onto the crest of sublingual fold
What is a characteristic of submandibular gland?
Opens into: sublingual caruncle (papilla) beside base of frenulum of tongue
What is involved in a field block for anesthesia?
Injecting tissue immediately around surgical site
What causes transient, dental-induced Bell’s palsy during anesthesia?
Placement of needle too far posteriorly in parotid bed and introduction of anesthetic close to facial nerve
Which artery supplies the lingual gingiva of the tongue?
Lingual artery of the tongue
From which nerve does the mental branch originate?
Mandibular nerve
Which nerve innervates the molar teeth?
Posterior superior alveolar nerve
Where does the middle superior alveolar nerve originate from?
Maxillary nerve
What defines the lateral margins of the oropharyngeal isthmus?
Palatoglossal arches
Which gland secretes saliva right before or during eating?
Parotid gland
Which muscle defines the lateral margins of the oropharyngeal isthmus?
Palatoglossus muscles
Which nerve supplies sensory innervation to the parotid gland?
Glossopharyngeal nerve
Which relation of the parotid gland is in contact with the sternocleidomastoid muscle?
Posterior
Which duct penetrates the buccinator muscle before opening into the oral cavity?
Parotid duct (Stensen duct)
Which lobe of the parotid gland does the facial nerve pass through?
Superficial lobe
Which vessel runs through the parotid gland?
External carotid artery and its branches
Test your knowledge of the anatomy of the glossopharyngeal nerve, including its pathway, functions, and anatomical landmarks. This quiz covers the course of the nerve from the medulla oblongata to its exit from the skull and its associated ganglia.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
