Head And Neck 4 Flashcards
In admineristering a V2 block through the greater palatine foramen, there is danger of penetrating too far. If you do go deep, the tip of the needle could enter the orbit by
passing through the ______
INFERIOR ORBITAL FISSURE
Where would you find the nerve cell body of a neuron relaying pain from a dentoalveolar abscess of the right maxillary second premolar?
Trigeminal ganglion
All of the following are CORRECT EXCEPT one. Which one is the EXCEPTION?
The horizontal plate of the palatine bone is a lateral boundary of nasal cavity
What is the name of the bony area on which the olfactory bulb is located?
Cribiform plate of the ethmoid bone
All of the following are CORRECT EXCEPT one. Which one is the EXCEPTION?
Sinusitis is the inflammation of the mucous membranes of the paranasal sinuses
b. The supraorbital nerve, at least in part, provides sensory innervation to the frontal sinus
c. The posterior superior alveolar artery, at least in part, provides vascular supply to the maxillary sinus
d. The anterior ethmoid artery, at least in part, provides vascular supply to the frontal sinus
e. All of the above are correct
Severe pain in a specific area of a nerve distribution of the face that is consistently
elicited by contact with a trigger point is typical of
Terminal neuralgia
In order to extract tooth #16, a maxillary third molar, what nerve would you need to anesthetize in addition to the posterior alveolar?
Greater palatine
Which of the following muscles would be paralyzed in a lesion of the inferior division of
the oculomotor nerve? Select all that apply
Inferior rectus, medial rectus, inferior oblique
Which fascia envelops a group of structures that includes the deep cervical lymph
nodes?
Carotid sheath
All of the following are branches of the ophthalmic artery EXCEPT one. Which one is the
EXCEPTION?
e. ALL ARE BRANCHES OF THE OPTHALMIC ARTERY
a. Supraorbital artery
b. Posterior ethmoid artery
c. Central retinal artery
d. Lacrimal artery
If an ice cube were held in place on a maxillary first premolar, in what branch of V2 does
the temperature sensation first travel to centrally?
Middle superior alveolar
The postganglionic parasympathetic neurons supplying the lacrimal gland bridge from
the ______ nerve to the lacrimal branch of V1 to reach the gland
Zygomatic
The greatest concern for an infection to be spread by the vascular route would arise
from an abscess in the
Maxillary anterior teeth \
To suture the upper lip after injury, which specific nerve branch should be anesthetized?
Infraorbital
All of the following blood vessels contribute to Kiesselbach’s plexus EXCEPT one. Which
on is the EXCEPTPTION?
Posterior ethmoid
Which of the following nerves are NOT distributed on the nasal septum of the nasal
cavity?
Nasal branch of the anterior superior alveolar nerve
Which of the following are characteristics of Ludwig’s angina? Choose the THREE that
are correct.
b. Sharp, stabbing pain in the tongue,
c. Difficulty in speech and swallowing
d. A hard swelling on the floor of the mouth
Which of the following bony prominences would roughly follow the line of your
eyebrow?
Supercilliary arch
All of the following are CORRECT EXCEPT one. Which one is the EXCEPTION?
The sphincter muscle is a skeletal muscle
All of the following relations of the sphenoid sinus are CORRECT EXCEPT one. Which one
is the exception?
e. ALL OF THE ABOVE ARE CORRECT
a. A lateral relation is the cavernous sinus
b. A medial relation is the sphenoid sinus of the opposite side
c. A superior relation is the pituitary gland
d. An inferior relation is the pterygoid canal
Which of the following muscles actions of the eye are provided by muscle(s) innervated
by the trochlear nerve. Select all that apply.
Abduction
Depression
When giving a local anesthetic injection in the premolar area of the hard palate, you will
see the tissue blanch (tissue pales or turns white) this is due to the action of the
vasoconstrictor on terminal branches of which artery?
Greater palatine
In administering an infraorbital block injection, when the needle is in the correct
position, which muscles will lie superficial to tip of the of the muscle?
Lavator labii superioris
Levator anguli oris
Your patient has a dull ache in the maxillary first molar. The tooth has never had a
restoration, has no decay now and you find no other dental reason for concern in this
area. You should consider that this may be referred pain from?
Maxillary sinus
The retropharyngeal space which continues inferiorly as the retro visceral space, is
separated from the danger space (space 4) by
Alar fascia
All of the following are correct EXCEPT one. Which one is the EXECEPTION?
ALL OF THE ABOVE ARE CORRECT
a. The dorsum and apex of the nose has three major cartilages
b. Pseudostratified columnar epithelium with cilla lines the majority of the nasal
cavity c. An anterior boundary of the nasal cavity is the external nose d. A posterior boundary of the nasal cavity is the choanae
You bite very carefully into the tip of a slice of pizza but still manage to burn the palatal
gingiva right behind the incisors. Which branch of V2 relays the
Nasopalatine nerve
Which of the following spaces are part of space 3 as explained in lecture? Select all that
apply.
Lateral pharyngeal space
Retro visceral space
Retropharyngeal space
In anesthetizing the posterior superior alveolar nerve, your patient develops a nice big
intraoral hematoma. What was most likely damaged in administering the injection to
cause the hematoma?
Pterygoid plexus of veins
All of the following are correct EXCEPT one. Which one is the exception?
The lateral rectus muscle receives its innervation from cranial nerve VII
All of the following cranial nerves are located within the orbit EXCEPT:
ALL OF THE ABOVE ARE LOCATED IN THE ORBIT
a. II b. III c. IV d. VI
All of the following aid in ABDUCTION of the eye EXCEPT:
SUPERIOR rectus
All of the following are vessels which BOTH provide vascular supply to the nose and are
derived from the external carotid artery EXECPT one:
Ophthalmic
The danger space of the neck (space 4) continues directly into the
Mediastinum
The carotid canal is a passageway for the internal carotid artery through which bone?
Temporal
The superior orbital fissure is a gap between the greater wing of the sphenoid and the
Lesser wing of the sphenoid
A right side infraorbital nerve block would usually provide effective local anesthesia for
all of the following procedures on the right side EXCEPT
Crown preparation on the maxillary first molar
Which of the following are inferior boundaries of the nasal cavity?
Palatine process of the maxilla
Horizontal plate of the palatine
A patient has a dentoalveolar abscess of the right mandibular third molar. The infection
erodes through the lingual plate of the mandible. Which of the following is …..?
-
Submandibular, lateral pharyngeal, retropharyngeal, danger, mediastinum
If an infection of the mandibular first premolar spreads into the superficial fascia of the
lower face, the concern that it will spread into the viscera of the neck is minor……..the
infection in the superficial fascia of the neck
The statement is correct, but the reason is NOT correct
Which of the following bones form the boundaries of the piriform aperture of the nose?
Maxilla and nasal
Which of the following structures inhibits an infection in the lateral pharyngeal spacenfrom passing straight inferiorly into the neck?
Submandibular glandd
All of the following are correct EXCEPT
The nasal cavity is a lateral relation of the ethmoid sinus
All of the following are correct EXCEPT:
The posterior ethmoid sinus drains into the posterior meatus
Which opening does the posterior superior alveolar nerve pass through to exit the pterygopalatine fossa?
Pterygomaxillary fissure
If you are going to do one small restoration on a maxillary second premolar, what type of injection would you most usually use?
Local infiltration
Which lymph nodes would receive initial drainage from the mandibular second premolar?
Submandibular
All of the following statements regarding the maxillary sinus are correct EXCEPT:
A lateral relation of the maxillary sinus is the infratemporal fossa