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H&N > 2012 > Flashcards

2012 Flashcards

1
Q

Which one of these sinuses opens into the semilunar hiatus?

A

Maxillary sinus

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2
Q

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

A

Inferior nasal meatus

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3
Q

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

A

idk

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4
Q

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

A

A. anterior border of masseter

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5
Q

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

A

idk

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6
Q

Which of these structures lies in digastric / submandibular triangle?

A

Hypoglossal nerve

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7
Q

What is the nerve supply to tensor veli palatine muscle?

A

Mandibular nerve

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8
Q

Where does the parotid duct open?

A

Vestibule of oral cavity opposite to upper 2nd molar

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9
Q

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

A

Chorda tympani

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10
Q

Whcih muscle is affected if the sixth CN is damaged?

A

Lateral rectus m.

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11
Q

Which LN does the thoracic duct drain into?

A

Left venous angle

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12
Q

Which LN does the tongue drain into:

A

Jugulodigastric LN

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13
Q 
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
A

A. vagus n.

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14
Q 
What prevents anterior dislocation of TMJ?
A. lateral ligament of TMJ
B. capsular ligament
C. sphenomandibular ligament 
D. articular process
A

idk

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15
Q

What structure is the main depressor of mandible?

A

lateral pterygoid

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16
Q 
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
A

D. constrictor pupillae

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17
Q 
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
A

A. buccal V3

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18
Q 
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
A

E. inferior alveolar

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19
Q

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

A

Facial n.

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20
Q

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

A

Mylohyoid

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21
Q

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

A

B. floor - superior bulb of IJV

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22
Q

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

A

idk

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23
Q 
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
A

D. greater petrosal nerve

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24
Q

Greater petrosal nerve carries preganglionic parasympathetic to which ganglion?

A

pterygopalatine ganglion

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25
Q

Chorda tympani goes to infratemporal fossa after it exits the:

A

petrotympanic fissure

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26
Q

Damage of lingual nerve before it joins chorda tympani leads to

A

loss of general sensation of anterior 2/3 of tongue

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27
Q

What is the nerve of 2nd pharyngeal arch?

A

facial nerve

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28
Q

Which structure forms the ala of the nose?

A

lateral nasal prominences

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29
Q

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

A

B. masticatory space

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30
Q

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

A

A. facial paralysis

31
Q

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

A

mylohyoid muscle

32
Q

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

A

maxillary A.

33
Q

Loss of mandible protrusion indicates dysfunction of which muscle?

A

Lateral pterygoid

34
Q

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

A

B. inserted into the fovea & TMJ capsule

35
Q

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

A

ethmoidal n.

36
Q

Which one of the following muscles abducts the vocal folds?

A

posterior cricoarytenoid

37
Q

Which one of the following supplies tip of nose?

A

external nasal

38
Q

Middle meningeal A.

A

deep to neck of mandible

39
Q

Numbness of inferior alveolar nerve results in

A

numbness of skin of chin

40
Q 
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
A

B. maxillary nerve of CN V

41
Q

Which of the following is true about MMA?

A

it passes between 2 branches of the auriculotemporal nerve

42
Q

What passes inferior to pharyngeal constrictor muscle?

A

recurrent laryngeal nerve

43
Q

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

A

deep petrosal and greater petrosal nerves

44
Q

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

A

A. foramen ovale

45
Q

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

A

B. mandibular foramen

46
Q

What conveys the sensory information of gag reflex?

A

glossopharyngeal nerve

47
Q

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

A

idk

48
Q

What innervates the TMJ?

A

idk

49
Q

What vein carries infection from orbit to cavernous sinus?

A

ophthalmic vein

50
Q

What is not true about the sphenopalatine nerve?

A

it passes through incisive foramen

51
Q

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

A

C. carries postganglionic fibers to parotid gland

52
Q

What is not correct about the distribution of the nerves?

A

chorda tympani is a motor to the tensor veli palatini

53
Q

What is the origin of muscles of mastication?

A

1st pharyngeal arch

54
Q

What is the origin of inferior parathyroid?

A

3rd pharyngeal pouch

55
Q

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

A

caudal part of the hypobranchial eminence

56
Q

What forms the middle ear cavity?

A

1st pharyngeal pouch

57
Q

What forms the external auditory meatus?

A

1st pharyngeal cleft

58
Q

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

A

3rd pharyngeal arch

59
Q

What is the innervation of the stylopharyngeus muscle?

A

glossopharyngeal n.

60
Q 
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.
A

A. recurrent laryngeal n.

61
Q 
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
A

G. auditory tube

62
Q

What mediates the cough reflex?

A

internal laryngeal nerve

63
Q

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

A

idk

64
Q

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

A

nasociliary nerve

65
Q

What is the cause of spina bifida?

A

failure of fusion of vertebral arches

66
Q

What is the innervation of tensor tympani muscles?

A

mandibular n.

67
Q 
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
A

idk

68
Q

Injury to the facial nerve when it exits the stylomastoid?

A

paralysis of stapedius and inability to whistle

69
Q

Lingual nerve injury?

A

loss of general sensation of tongue

70
Q

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

A

idk

71
Q

What is false about the vestibulococchlear nerve?

A

related to the geniculate ganglion

72
Q

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

A

sphenomandibular ligament

73
Q

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

A

genioglossus

H&N (5 decks)

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