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NBCE sample questions and important info > Anatomy head and neck > Flashcards

Anatomy head and neck Flashcards

1
Q

what are the branches of the ophthalmic nerve trigeminal V1?

A 
Supraorbital
Supratrochlear
External Nasal
Infratrochlear
Lacrimal
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2
Q

what are the branches of the maxillary division trigeminal V2?

A

Zygomaticotemporal
Zygomaticofacial
Infraorbital

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3
Q

what are the branches of the mandibular division trigeminal V3?

A

Auriculotemporal
Buccal
Mental

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4
Q

What is unique about C1 posterior root?

A

it is only MOTOR no sensory

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5
Q

where does the cervical plexus carry MOTOR fibers to?

A

infrahyoid muscles

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6
Q

what cervical roots make up the ansa cervicalis and what muscles does it supply?

A

C1, C2, C3

sternohyoid
sternothyroid
omohyoid

NOT THYROHYOID

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7
Q

what nerve supplies the thyrohyoid?

A

Hypoglossal nerve- C1 fibers

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8
Q

what is the phrenic nerve sensory supply?

A

membranes of the thorax and abdomen

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9
Q

what 2 veins make up the external jugular vein?

A

retromandibular

posterior auricular

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10
Q

what does the external jugular vein drain into?

A

subclavian vein

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11
Q

what are the boundaries of the posterior triangle in the neck?

A

A: posterior SCM
P: anterior trap
I: superior middle 3rd of clavicle

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12
Q

what are the boundaries of the anterior triangle in the neck?

A

S: inferior mandible
A: anterior midline
P: anterior SCM

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13
Q

what are the contents of the submandibular triangle?

A 
submandibular gland 
internal carotid artery
facial artery 
internal jugular vein 
CN IX and X
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14
Q

which artery goes to the brain?

A

Internal carotid artery

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15
Q

what drains the dural venous sinus?

A

internal jugular vein

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16
Q

why is the carotid triangle important?

A

the common carotid artery bifurcates here

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17
Q

where does the hyoid bone sit?

A

between the mandible and larynx

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18
Q

what muscles attach to the hyoid bone?

A

infrahyoid muscles

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19
Q

which of the infrahyoid muscles are superficial and which are deep?

A

omohyoid & sternohyoid- superficial

sternothyroid & thyrohyoid- deep

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20
Q

what is a layer of fascia extending from the base of the skull to the root of the neck?

A

carotid sheath

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21
Q

what are the boundaries for the superior thoracic aperture (thoracic inlet)?

A

1st thoracic vertebra
1st ribs and cartilages
manubrium

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22
Q

where does the thyroid gland sit?

A

C5-T1

23
Q

what is a branch to the thyroid on the right side that occurs in 10% of people?

A

thyroid ima artery

24
Q

where does the trachea begin?

A

at the larynx C6

25
Q

what do the walls of the trachea contain that allow for expansion of esophagus when swallowing?

A

incomplete cartilaginous C rings

26
Q

where is the esophagus located?

A

connects the pharynx to the stomach at C6; lies posterior to trachea

27
Q

what are the branches of the external carotid artery?

A 
Superior thyroid 
Ascending Pharyngeal
Lingual
Facial
Occipital
Posterior auricular 
Superficial temporal- terminal
Maxillary- terminal
28
Q

what is the baroreceptor innervated by the glossopharyngeal nerve- carotid branch?

A

carotid sinus

29
Q

what is a small mass located in the common carotid artery that acts as a chemoreceptor that detects chemical changes in the blood?

A

carotid body

30
Q

what does the internal jugular vein drain into?

A

brachiocephalic vein

31
Q

where does the internal jugular vein begin?

A

begins at the jugular foramen as a continuation of the sigmoid sinus

32
Q

the recurrent laryngeal supplies all muscles of the larynx except?

A

cricothyroid which is supplied by external laryngeal branch

33
Q

what articulates with the temporal bone to form the TMJ joint?

A

condylar process of mandible

34
Q

what are the posterior apertures of the nasal cavity which open into the nasopharynx?

A

choanae

35
Q

what 2 bones together form the hard palate and are also the floor of the nasal cavity?

A

maxilla and palatine

36
Q

what bones form the roof of the nasal cavity?

A

nasal, frontal, cribiform plate of the ethmoid, sphenoid

37
Q

what does the sphenoid sinus drain into?

A

sphenoethmoidal recess

38
Q

what do the posterior ethmoidal cell open into?

A

superior meatus

39
Q

what opens into the middle meatus?

A

frontal sinus
maxillary sinus
middle and anterior ethmoidal cells

40
Q

what opens into the hiatus semilunaris of the middle meatus?

A

frontonasal duct
anterior ethmoid cells
maxillary sinus

41
Q

where does the nasolacrimal duct drain?

A

inferior meatus

42
Q

what is the lower 2/3 of the nasal cavity?

A

respiratory region- air goes through here

43
Q

what is the superior nasal concha and upper 1/3 of the nasal septum which contains CN I?

A

olfactory region- air swirls around so we can smell

44
Q

what is the autonomic innervation of the olfactory region?

A

pterygopalatine ganglion

45
Q

what is the primary blood supply to nasal cavity?

A

sphenopalatine artery

46
Q

what facilitates drainage of the sinuses?

A

paranasal sinuses

47
Q

what opens into the hiatus semilunaris of the middle meatus via the frontonasal duct?

A

frontal sinus

48
Q

what is the largest of the paranasal sinuses?

A

maxillary sinus

49
Q

what is the only sinus present at birth and most prone to infection?

A

maxillary sinus

50
Q

where is the maxillary sinus located?

A

lateral to the nasal cavity and inferior to the orbit

51
Q

where is the ethmoid sinus located?

A

within the ethmoid bone btw the orbit and nasal cavity

contains posterior, middle and anterior ethmoidal cells

52
Q

where are common areas an infection of the nasal cavity can spread?

A

nasopharynx: acute pharyngitis
middle ear via the pharyngotympanic tube: otitis media
paranasal sinuses: sinusitis
lacrimal apparatus and conjunctiva via nasolacrimal duct: conjunctivitis

53
Q

CSF fluid dripping through the nose indicates?

A

damage to the cribiform plate

NBCE sample questions and important info (27 decks)

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