2016 Flashcards
Which of the following contribute to development of the auditory tube?
A) 1st pharyngeal pouch
B) 1st pharyngeal cleft
1st pharyngeal pouch
Which of the following contribute to the development of of incus and malleus of the middle ear? A) Meckel’s cartilage B) Fibrous sheath of Meckel’s cartilage C) Reichert’s cartilage D) Third pouch E) Forth pouch
A) Meckel’s cartilage
Mesenchyme of which of the following contributes to the formation of the muscles of facial expression
A) 1st pharyngeal arch
B) 2nd pharyngeal arch
C) 3rd pharyngeal arch D) 4th pharyngeal arch E) 6th pharyngeal arch
B) 2nd pharyngeal arch
What is the nerve of the 3rd pharyngeal arch? A) Facial nerve
B) Glossopharyngeal nerve
C) Mandibular nerve
B) Glossopharyngeal n.
From which structure does the epithelium of the anterior 2⁄3 of the tongue develop?
A) Lingual swellings and tuberculum impar
B) Cranial part of hypobranchial eminence C) Caudal part of hypobranchial eminence
A) Lingual swellings and tuberculum impar
Which of the following contributes to the development of the primary palate? A) Maxillary prominence
B) Intermaxillary segment
C) Mandibular prominence
D) Frontonasal prominence
B) Intermaxillary segment
Which of the following contributes to the development of the posterior 1/3 of the tongue?
A) lingual swellings
B) Cranial part of hypobrachial eminence
C) Caudal half of hypobrachial eminence
B) Cranial part of hypobrachial eminence
Where does facial artery pulse is best felt? A) Anterior border of the masseter
B) Angle of the mandible
C) Superficial to buccinator
A) Anterior border of the masseter
What is the nerve supply for tensor veli palatini muscle? A) Vagus nerve
B) Mandibular nerve
C) Facial nerve
B) Mandibular nerve
The submandibular duct opens into
A) Vestibule opposite to the 2nd molar
B) Vestibule of lower molars
C) Oral cavity proper and floor of the mouth D) Opposite to incisor teeth
C
Which nerve carries preganglionic secretomotor fibers to the submandibular ganglion? A) Auriculotemporal
B) Hypoglossal
C) Chorda tympani
D) Inferior alveolar
C
During a surgical procedure on the parotid gland, which nerve might be injured?
A) Facial nerve
A
What muscle divides the submandibular gland into superficial and deep parts? A) Mylohyoid
A
Which of the following structures enters the pharynx between the superior and middle constrictor muscles?
A) Superior laryngeal nerve
B) Glossopharyngeal nerve
C) Recurrent laryngeal nerve D) Vagus nerve
E) Auditory tube
B
Which of the following nerves supplies the anterosuperior part of the nasal septum? A) Ethmoidal nerve
B) Greater palatine nerve
C) Lesser palatine nerve
A
If the sensation of the tip of the nose is lost, which nerve is injured? A) Infraorbital
B) Infratrochlear
C) External nasal
D) Ethmoidal
C
The middle meningeal artery passes between branches of which of the following nerves A) Auriculotemporal nerve
A
Which of the following structures enters the pharynx below the inferior constrictor muscle?
A) Recurrent laryngeal nerve
B) External laryngeal nerve
C) Glossopharyngeal nerve
A
Which of the following muscles abducts the vocal folds? A) Lateral cricoarytenoid
B) Posterior cricoarytenoid
C)Transverse arytenoid
D) Oblique arytenoid
B
Injury in which of the following structures leads to hoarseness of the voice? A) Transverse cervical nerve
B) Inferior laryngeal nerve
C) Glossopharyngeal nerve
D) Internal laryngeal nerve E) Sympathetic chain
B
What is responsible for the general sensation of larynx above vocal folds? A) Internal laryngeal nerve
B) External laryngeal nerve
C) Inferior laryngeal nerve
D) Pharyngeal plexus E) Vagus nerve
A
Injury in which of the following structures leads to hoarseness of the voice? A) Transverse cervical nerve B) Glossopharyngeal nerve C) Inferior laryngeal nerve D) Internal laryngeal nerve E) Sympathetic chain
C
Which of the following muscles is the main depressor of the mandible? A) Medial pterygoid
B) Masseter
C) Lateral pterygoid
D) Temporalis E) Geniohyoid
C
Which movement takes place in the superior compartment of the temporomandibular joint?
A) Protrusion
B) Depression
C) Elevation D) Adduction
A
What is true about lateral pterygoid muscle?
A) Inserts into mandibular fovea
B) Inserts into mandibular fovea and TMJ capsule
C) it has medial and lateral heads
B
Which of the following prevents anterior dislocation of TMJ? A) Articular disc
B) Articular tubercle
C) Lateral ligament of TMJ
D) Capsular ligament of TMJ E) Sphenomandibular ligament
B
Which of the following structures pass below the inferior constrictor? A) Glossopharyngeal nerve B) Facial nerve C) Facial artery D) Auditory tube E) Recurrent laryngeal nerve
E
Which lymph nodes does the tongue drain into? A) Jugulodigastric lymph nodes B) Inferior deep cervical lymph nodes C) Parotid lymph nodes D) mastoid lymph nodes
A
Which lymph nodes does the tongue drain into? A) Jugulodigastric lymph nodes
B) Inferior deep cervical lymph nodes
C) Parotid lymph nodes
D) mastoid lymph nodes
A
What is incorrect regarding the pharyngotympanic tube?
A) Salpingopharyngeus muscle closes the tube
B) t opens into the nasopharynx posterior to the inferior concha
C) It equalizes the middle ear pressure with the atmospheric pressure D) Tensor veli palatini and levator veli palatini open the tube
E) It is supplied by ascending pharyngeal, middle meningeal and artery to the pterygoid canal
A
In abscess drainage, cheek area local anesthesia is injected to which of the following? A) Inferior alveolar
B) Buccal nerve (facial)
C) Buccal nerve (V3)
C
A 38-years old man complaining of acute dental pain. The dentist found tooth decay in the mandibular molar tooth. What nerve should he anesthetize to be able to work on the tooth? A) Lingual B) Mylohyoid C) Mental D) Inferior alveolar E) Deep temporal
D
If there was a metastatic tumor and intense hemorrhage in infratemporal fossa, which artery of the following the surgeon should clamp?
A) Maxillary
B) Internal carotid
C) Superficial temporal D) Posterior auricular
A
Failure to protrude the mandible, which muscle is responsible? A) Lateral pterygoid B) Buccinator C) Mylohyoid D) Temporalis E) Anterior belly of digastric
A
Which of these doesn’t open into the pterygopalatine fossa? A) Pterygoid canal B) Foramen rotundum C) Pteygomaxillary fissure D) Foramen ovale
D
What is true about the middle meningeal artery?
A) Deep to the neck of the mandible
B) Between the branches of mandibular nerve
C) It is a branch of the third part of the maxillary artery
A
Which of the following sinuses open in semilunar hiatus? A) Maxillary air sinus B) Frontal air sinus C) Posterior ethmoidal D) Sphenoidal air sinus
A
Which of the following is correct about the third part of the maxillary artery? (Similar Q) A) Infraorbital: maxillary molars and premolars maxillary sinus and gingiva
B) Posterior superior alveolar: lower eyelid, side of nose
C) Artery of pterygoid canal: upper part of pharynx, auditory tube, and tympanic cavity
D) Pharyngeal artery: hard and soft palate
E) Descending palatine: posterior part of pharynx sphenoidal air sinus and inferior part of auditory tube
E
Damage to the facial nerve when exiting through the stylomastoid foramen will lead to which of the following?
A) Paralysis of the stapedius
B) Inability to whistle
A
To anaesthetize mandibular molars, which nerve would be injected? A) Inferior alveolar nerve
A
Which is Not true regarding the sphenopalatine artery?
A) It is a branch from the third part of maxillary artery B) It supplies the nasal septum
C) It supplies the lateral nasal wall
D) It passes through the incisive foramen
All are correct
Which of the following is paired incorrectly?
A) Chorda tympani carrier taste sensation of the anterior 2⁄3 of the tongue
B) Lingual nerve supplies the floor of the mouth and the lingual gingiva
C) chorda tympani gives secretomotor fibers to the submandibular gland (not sure)
D)
E) Chorda tympani supplies tensor veli palatini muscle
E
Where facial artery pulse is best felt?
A) Anterior border of the masseter
B) Angle of the mandible
C) Superficial to buccinator
A
Inferior alveolar nerve block is best done at which location for dental work? A) Mental foramen B) Greater palatine foramen C) Lesser palatine foramen D) Mandibular foramen E) lingual foramen
D
What is incorrect regarding the pharyngotympanic tube?
A) Salpingopharyngeus muscle closes the tube
B) It opens into the nasopharynx posterior to the inferior concha
C) It equalizes the middle ear pressure with the atmospheric pressure
D) Tensor veli palatini and levator veli palatini open the tube
E) It is supplied by ascending pharyngeal, middle meningeal and artery to the pterygoid canal
A
Greater petrosal nerve carries parasympathetic fibers to which ganglion?
A) Sphenopalatine ganglion
B) Ciliary ganglion
C) Otic ganglion
A
Which of the following structures lies in the digastric triangle? A) Glossopharyngeal nerve B) Hypoglossal nerve C) Lingual nerve D) mental n/a (not sure)
B
When you ask the patient to protrude his tongue and say ahh. What muscle is mainly being tested? A) Geniohyoid B) Styloglossus C) Genioglossus D) Palatoglossus
C
What is the sensory nerve to ethmoidal sinus?
A) Maxillary
B) Nasociliary
C) Frontal
B
which of these structures lies in the digastric (submandibular) triangle
A) Glossopharyngeal nerve
B) Hypoglossal nerve
C) Lingual nerve
B
What is true about the facial vein?
A) Embedded in the parotid gland substance
B) More tortuous than facial artery
C) Anterior to the facial artery
D) Drains into the external jugular vein
E) Opens superiorly to the sphenopalatine vein
E
A tickling sensation in the nasal cavity is sensed before a sneeze. It is mostly likely carried by which nerve? A) Facial B) Maxillary branch of V C) Mandibular branch of V D) Glossopharyngeal
B
What is pierced by nerve to mylohyoid?
A) Sphenomandibular ligament
B) Stylomandibular ligament
A
Infection in which facial space that results from dental infection particularly related to the third mandibular molars and occurs upon removal of suspension wires following fixation of facial fractures?
A) Submandibular space
B) Masticatory space
C) Parotid space
B
What is the sensory nerve that results in reflex cough?
A) Glossopharyngeal
B) Vagus
C) Inferior laryngeal
Idk
Numbness of the inferior alveolar nerve will cause loss of sensation in mandibular teeth and which of the following?
A) Skin over the chin
B) Cheeks
C) Maxillary molar
A
What supplies blood to the posterior part of the inferior concha and meatus ? A) Anterior ethmoidal B) Posterior ethmoidal C) Sphenopalatine D) Facial
Idk
When you stroke the oropharynx of your patient, gag reflex was elicited. Like any reflex, it has both sensory and motor components. What is the sensory component of gag reflex? A) Internal laryngeal nerve B) Vagus nerve C) Glossopharyngeal nerve D) Oculomotor nerve
Idk
Where does the frontal sinus open? A) Superior meatus B) Middle meatus C) Inferior meatus D) Vestibule of nasal cavity
Idk
Extension of the peritonsillar abscess would extend to which fascial space? A) Retropharyngeal space B) Danger C) Parapharyngeal D) Prevertebral E) Pretracheal
C
Which of the following nerves supply the genioglossus or styloglossus muscle?
A) Hypoglossal nerve
A
