2012

Question 1

Which one of these sinuses opens into the semilunar hiatus?

Answer 1

Maxillary sinus

Question 2

Which one of these structures does the nasolacrimal duct open into?

Answer 2

Inferior nasal meatus

Question 3

Which one of these structures provides the blood supply to posterior area of the inferior nasal meatus & concha?

Answer 3

idk

Question 4

Where is the pulse of facial artery best felt?
A. anterior border of masseter
B. angle of mandible
C. superficial to buccinator

Answer 4

A. anterior border of masseter

Question 5

In case of pathology of parotid gland, which structure will be least involved?

Answer 5

idk

Question 6

Which of these structures lies in digastric / submandibular triangle?

Answer 6

Hypoglossal nerve

Question 7

What is the nerve supply to tensor veli palatine muscle?

Answer 7

Mandibular nerve

Question 8

Where does the parotid duct open?

Answer 8

Vestibule of oral cavity opposite to upper 2nd molar

Question 9

Which nerve carries the preganglionic parasympatheti c secretomotor fibers to submandibular gland?

Answer 9

Chorda tympani

Question 10

Whcih muscle is affected if the sixth CN is damaged?

Answer 10

Lateral rectus m.

Question 11

Which LN does the thoracic duct drain into?

Answer 11

Left venous angle

Question 12

Which LN does the tongue drain into:

Answer 12

Jugulodigastric LN

Question 13

Injury to what structure causes the hoarseness of voice? 
A. vagus n.
B. internal jugular n.
C. external laryngeal n.
D. inferior laryngeal n.
E. sympathetic chain

Answer 13

A. vagus n.

Question 14

What prevents anterior dislocation of TMJ?
A. lateral ligament of TMJ
B. capsular ligament
C. sphenomandibular ligament 
D. articular process

Answer 14

idk

Question 15

What structure is the main depressor of mandible?

Answer 15

lateral pterygoid

Question 16

If the parasympathetic postganglionic part of oculomotor was injured, which muscle will be mainly affected?
A. lateral rectus
B. medial rectus
C. dilator pupillae
D. constrictor pupillae
E. levator palpebri superiosis

Answer 16

D. constrictor pupillae

Question 17

Which nerve is blocked if the dentist wants to administer anesthesia to cheek?
A. buccal V3
B. buccal V2
C. inferior alveolar
D. mental
E. lingual

Answer 17

A. buccal V3

Question 18

Which nerve will the dentist block if he wants to administer anesthesia to mandibular molar?
A. buccal
B. lingual
C. nerve to mylohyoid
D. mental
E. inferior alveolar

Answer 18

E. inferior alveolar

Question 19

Which nerve may be injured during surgical procedures involving parotid gland?

Answer 19

Facial n.

Question 20

Which muscle divides the submandibular gland into deep and superficial parts?

Answer 20

Mylohyoid

Question 21

Which of the following is correct regarding underlying structures of middle ear wall?
A. tegmental wall - cochlea
B. floor - superior bulb of IJV
C. medial wall - dura mater of middle cranial fossa
D. anterior wall - mastoid cells & facial n.
E. posterior wall - carotid canal

Answer 21

B. floor - superior bulb of IJV

Question 22

Which one of the following is incorrect regarding the pharyngotympanic tube?
A. salpingopharyngeus muscle closes the tube
B. it opens into the nasopharynx posterior to inferior concha
C. it equalizes middle ear pressure w/ 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 pterygoid

Answer 22

idk

Question 23

Which of the following is not one of the content of the middle ear?
A. ear ossicles
B. tympanic plexus
C. chorda tympani
D. greater petrosal nerve
E. tensor tympani & stapedius muscle

Answer 23

D. greater petrosal nerve

Question 24

Greater petrosal nerve carries preganglionic parasympathetic to which ganglion?

Answer 24

pterygopalatine ganglion

Question 25

Chorda tympani goes to infratemporal fossa after it exits the:

Answer 25

petrotympanic fissure

Question 26

Damage of lingual nerve before it joins chorda tympani leads to

Answer 26

loss of general sensation of anterior 2/3 of tongue

Question 27

What is the nerve of 2nd pharyngeal arch?

Answer 27

facial nerve

Question 28

Which structure forms the ala of the nose?

Answer 28

lateral nasal prominences

Question 29

Infection in which facial space that results from dental infection particularly related to 3rd mandibular molars and occurred from removal of suspension wires following fixation of facial structures? A. submandibular space B. masticatory space C. parotid gland

Answer 29

B. masticatory space

Question 30

Acoustic neuroma involving 8th CN as it exits the cranium, this tumor is affecting the surrounding structures so the patient presents with: A. facial paralysis B. tongue paralysis C. ptosis

Answer 30

A. facial paralysis

Question 31

Which infrahyoid muscle will be paralyzed when the inferior alveolar nerve is severed at its origin?

Answer 31

mylohyoid muscle

Question 32

During the removal of a metastatic tumor in infratemporal fossa, severe hemorrhage resulted. Which arterial source should the surgeoun clamp?

Answer 32

maxillary A.

Question 33

Loss of mandible protrusion indicates dysfunction of which muscle?

Answer 33

Lateral pterygoid

Question 34

Which one of these statements is true regarding the lateral pterygoid muscle? A. inserted into the fovea B. inserted into the fovea & TMJ capsule C. elevates the mandible

Answer 34

B. inserted into the fovea & TMJ capsule

Question 35

What is the nerve supply of the anterior superior part of nasal septum?

Answer 35

ethmoidal n.

Question 36

Which one of the following muscles abducts the vocal folds?

Answer 36

posterior cricoarytenoid

Question 37

Which one of the following supplies tip of nose?

Answer 37

external nasal

Question 38

Middle meningeal A.

Answer 38

deep to neck of mandible

Question 39

Numbness of inferior alveolar nerve results in

Answer 39

numbness of skin of chin

Question 40

``` Which is responsible of tickling of nose before sneezing? A. facial nerve B. maxillary nerve of CN V C. mandibular nerve of CN V D. CN IX ```

Answer 40

B. maxillary nerve of CN V

Question 41

Which of the following is true about MMA?

Answer 41

it passes between 2 branches of the auriculotemporal nerve

Question 42

What passes inferior to pharyngeal constrictor muscle?

Answer 42

recurrent laryngeal nerve

Question 43

What are the nerves that form the nerve to pterygoid canal?

Answer 43

deep petrosal and greater petrosal nerves

Question 44

Which of the following openings doesn't lead to pterygopalatine fossa? A. foramen ovale B. foramen rotundum C. pterygomaxillary fissure

Answer 44

A. foramen ovale

Question 45

What is the best area to anesthetize the inferior alveolar nerve? A. mental foramen B. mandibular foramen

Answer 45

B. mandibular foramen

Question 46

What conveys the sensory information of gag reflex?

Answer 46

glossopharyngeal nerve

Question 47

Lateral extension of tonsil will compress which of the following spaces?

Answer 47

idk

Question 48

What innervates the TMJ?

Answer 48

idk

Question 49

What vein carries infection from orbit to cavernous sinus?

Answer 49

ophthalmic vein

Question 50

What is not true about the sphenopalatine nerve?

Answer 50

it passes through incisive foramen

Question 51

What is true about the otic ganglion? A. presynaptic parasympathetic fibers are transmitted by facial n. B. in infratemporal fossa immediately under the foramen rotundum C. carries postganglionic fibers to parotid gland

Answer 51

C. carries postganglionic fibers to parotid gland

Question 52

What is not correct about the distribution of the nerves?

Answer 52

chorda tympani is a motor to the tensor veli palatini

Question 53

What is the origin of muscles of mastication?

Answer 53

1st pharyngeal arch

Question 54

What is the origin of inferior parathyroid?

Answer 54

3rd pharyngeal pouch

Question 55

What forms the epithelium of the posterior 1/3 of tongue?

Answer 55

caudal part of the hypobranchial eminence

Question 56

What forms the middle ear cavity?

Answer 56

1st pharyngeal pouch

Question 57

What forms the external auditory meatus?

Answer 57

1st pharyngeal cleft

Question 58

What is the origin of the lower part of body of hyoid bone and greater horn?

Answer 58

3rd pharyngeal arch

Question 59

What is the innervation of the stylopharyngeus muscle?

Answer 59

glossopharyngeal n.

Question 60

``` What provides the sensory innervation of the lower part of the larynx below the vocal cords? A. recurrent laryngeal n. B. inferior laryngeal n. C. superior laryngeal n. D. external laryngeal n. E. internal laryngeal n. F. vagus n. ```

Answer 60

A. recurrent laryngeal n.

Question 61

``` What passes superior to the superior pharyngeal constrictor muscle? A. recurrent laryngeal n. B. inferior laryngeal n. C. external laryngeal n. E. internal laryngeal n. F. vagus n. G. auditory tube ```

Answer 61

G. auditory tube

Question 62

What mediates the cough reflex?

Answer 62

internal laryngeal nerve

Question 63

What is true about the 3rd or 1st part of the maxillary A.?

Answer 63

idk

Question 64

Which of the following is responsible for pain in the ethmoidal sinus?

Answer 64

nasociliary nerve

Question 65

What is the cause of spina bifida?

Answer 65

failure of fusion of vertebral arches

Question 66

What is the innervation of tensor tympani muscles?

Answer 66

mandibular n.

Question 67

``` What is true about the facial vein? A. it more tortuous than the facial A. B. drains into external jugular vein C. anterior to facial artery D. opens superiorly to sphenopalatine vein ```

Answer 67

idk

Question 68

Injury to the facial nerve when it exits the stylomastoid?

Answer 68

paralysis of stapedius and inability to whistle

Question 69

Lingual nerve injury?

Answer 69

loss of general sensation of tongue

Question 70

Innervation of tip of nose? A. infratrochlear B. infraorbital

Answer 70

idk

Question 71

What is false about the vestibulococchlear nerve?

Answer 71

related to the geniculate ganglion

Question 72

During its course, the mylohyoid nerve pierces which of the following?

Answer 72

sphenomandibular ligament

Question 73

When you ask patient to say ah, which muscle is involved?

Answer 73

genioglossus