Head And Neck 4

Question 1

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 ______

Answer 1

INFERIOR ORBITAL FISSURE

Question 2

Where would you find the nerve cell body of a neuron relaying pain from a dentoalveolar abscess of the right maxillary second premolar?

Answer 2

Trigeminal ganglion

Question 3

All of the following are CORRECT EXCEPT one. Which one is the EXCEPTION?

Answer 3

The horizontal plate of the palatine bone is a lateral boundary of nasal cavity

Question 4

What is the name of the bony area on which the olfactory bulb is located?

Answer 4

Cribiform plate of the ethmoid bone

Question 5

All of the following are CORRECT EXCEPT one. Which one is the EXCEPTION?

Answer 5

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

Question 6

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

Answer 6

Terminal neuralgia

Question 7

In order to extract tooth #16, a maxillary third molar, what nerve would you need to anesthetize in addition to the posterior alveolar?

Answer 7

Greater palatine

Question 8

Which of the following muscles would be paralyzed in a lesion of the inferior division of
the oculomotor nerve? Select all that apply

Answer 8

Inferior rectus, medial rectus, inferior oblique

Question 9

Which fascia envelops a group of structures that includes the deep cervical lymph
nodes?

Answer 9

Carotid sheath

Question 10

All of the following are branches of the ophthalmic artery EXCEPT one. Which one is the
EXCEPTION?

Answer 10

e. ALL ARE BRANCHES OF THE OPTHALMIC ARTERY
a. Supraorbital artery
b. Posterior ethmoid artery
c. Central retinal artery
d. Lacrimal artery

Question 11

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?

Answer 11

Middle superior alveolar

Question 12

The postganglionic parasympathetic neurons supplying the lacrimal gland bridge from
the ______ nerve to the lacrimal branch of V1 to reach the gland

Answer 12

Zygomatic

Question 13

The greatest concern for an infection to be spread by the vascular route would arise
from an abscess in the

Answer 13

Maxillary anterior teeth \

Question 14

To suture the upper lip after injury, which specific nerve branch should be anesthetized?

Answer 14

Infraorbital

Question 15

All of the following blood vessels contribute to Kiesselbach’s plexus EXCEPT one. Which
on is the EXCEPTPTION?

Answer 15

Posterior ethmoid

Question 16

Which of the following nerves are NOT distributed on the nasal septum of the nasal
cavity?

Answer 16

Nasal branch of the anterior superior alveolar nerve

Question 17

Which of the following are characteristics of Ludwig’s angina? Choose the THREE that
are correct.

Answer 17

b. Sharp, stabbing pain in the tongue,
c. Difficulty in speech and swallowing
d. A hard swelling on the floor of the mouth

Question 18

Which of the following bony prominences would roughly follow the line of your
eyebrow?

Answer 18

Supercilliary arch

Question 19

All of the following are CORRECT EXCEPT one. Which one is the EXCEPTION?

Answer 19

The sphincter muscle is a skeletal muscle

Question 20

All of the following relations of the sphenoid sinus are CORRECT EXCEPT one. Which one
is the exception?

Answer 20

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

Question 21

Which of the following muscles actions of the eye are provided by muscle(s) innervated
by the trochlear nerve. Select all that apply.

Answer 21

Abduction
Depression

Question 22

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?

Answer 22

Greater palatine

Question 23

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?

Answer 23

Lavator labii superioris
Levator anguli oris

Question 24

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?

Answer 24

Maxillary sinus

Question 25

The retropharyngeal space which continues inferiorly as the retro visceral space, is separated from the danger space (space 4) by

Answer 25

Alar fascia

Question 26

All of the following are correct EXCEPT one. Which one is the EXECEPTION?

Answer 26

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

Question 27

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

Answer 27

Nasopalatine nerve

Question 28

Which of the following spaces are part of space 3 as explained in lecture? Select all that apply.

Answer 28

Lateral pharyngeal space Retro visceral space Retropharyngeal space

Question 29

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?

Answer 29

Pterygoid plexus of veins

Question 30

All of the following are correct EXCEPT one. Which one is the exception?

Answer 30

The lateral rectus muscle receives its innervation from cranial nerve VII

Question 31

All of the following cranial nerves are located within the orbit EXCEPT:

Answer 31

ALL OF THE ABOVE ARE LOCATED IN THE ORBIT a. II b. III c. IV d. VI

Question 32

All of the following aid in ABDUCTION of the eye EXCEPT:

Answer 32

SUPERIOR rectus

Question 33

All of the following are vessels which BOTH provide vascular supply to the nose and are derived from the external carotid artery EXECPT one:

Answer 33

Ophthalmic

Question 34

The danger space of the neck (space 4) continues directly into the

Answer 34

Mediastinum

Question 35

The carotid canal is a passageway for the internal carotid artery through which bone?

Answer 35

Temporal

Question 36

The superior orbital fissure is a gap between the greater wing of the sphenoid and the

Answer 36

Lesser wing of the sphenoid

Question 37

A right side infraorbital nerve block would usually provide effective local anesthesia for all of the following procedures on the right side EXCEPT

Answer 37

Crown preparation on the maxillary first molar

Question 38

Which of the following are inferior boundaries of the nasal cavity?

Answer 38

Palatine process of the maxilla Horizontal plate of the palatine

Question 39

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 …..? -

Answer 39

Submandibular, lateral pharyngeal, retropharyngeal, danger, mediastinum

Question 40

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

Answer 40

The statement is correct, but the reason is NOT correct

Question 41

Which of the following bones form the boundaries of the piriform aperture of the nose?

Answer 41

Maxilla and nasal

Question 42

Which of the following structures inhibits an infection in the lateral pharyngeal spacenfrom passing straight inferiorly into the neck?

Answer 42

Submandibular glandd

Question 43

All of the following are correct EXCEPT

Answer 43

The nasal cavity is a lateral relation of the ethmoid sinus

Question 44

All of the following are correct EXCEPT:

Answer 44

The posterior ethmoid sinus drains into the posterior meatus

Question 45

Which opening does the posterior superior alveolar nerve pass through to exit the pterygopalatine fossa?

Answer 45

Pterygomaxillary fissure

Question 46

If you are going to do one small restoration on a maxillary second premolar, what type of injection would you most usually use?

Answer 46

Local infiltration

Question 47

Which lymph nodes would receive initial drainage from the mandibular second premolar?

Answer 47

Submandibular

Question 48

All of the following statements regarding the maxillary sinus are correct EXCEPT:

Answer 48

A lateral relation of the maxillary sinus is the infratemporal fossa