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SHB Exam 2 > Nasal/Oral > Flashcards

Nasal/Oral Flashcards

1
Q

Define the nasal vestibule.

A

Flared portion of the nose containing hair follicles

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2
Q

Define the respiratory region of the nose.

A

Largest part; contains the conchae

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3
Q

Define the olfactory region of the nose.

A

Superior portion of nose containing olfactory epithelium

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4
Q

What bones makeup the lateral wall of the nose?

A

Ant to post:

  • Nasal bone
  • Maxilla
  • Lacrimal bone
  • Ethmoid
  • Inferior nasal concha
  • Palatine bone (perpendicular plate)
  • Sphenoid bone (med pterygoid plate)
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5
Q

What bones/cartilages makeup the nasal septum?

A
  • Ethmoid (perpendicular plate; most sup)
  • Vomer (inf)
  • Cartilaginous septum
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6
Q

How does the nasal cavity communicate with the orbit?

A

Nasolacrinal duct

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7
Q

How does the nasal cavity communicate with the nasopharynx?

A

Choana

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8
Q

How does the nasal cavity communicate with the paranasal sinuses?

A

Meatal openings

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9
Q

How does the nasal cavity communicate with the anterior cranial fossa?

A

Cribriform plate and foramen cecum

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10
Q

How does the nasal cavity communicate with the pterygopalatine fossa?

A

Sphenopalatine foramen

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11
Q

How does the nasal cavity communicate with the oral cavity?

A

Incisive canal

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12
Q

What are the 4 sinuses of the head? (ant to post)

A
  • Frontal (anteriorly, then)
  • Ethmoidal (then)
  • Sphenoidal (posterior)
  • Maxillary (inf to ethmoidal sinus)
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13
Q

What is the name for the space beneath each concha?

A

Meatus

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14
Q

What 3 main aa supply the nasal cavity?

A

Ophthalmic, maxillary, facial aa.

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15
Q

Which a. do anterior and posterior ethmoidal aa. branch from?

A

Ophthalmic a.

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16
Q

Which a. does sphenopalatine a. branch from?

A

Maxillary a.

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17
Q

Which a. does superior labial a. branch from?

A

Facial a.

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18
Q

What cranial n. supplies most of the nasal cavity

A

CN V

V1 and V2

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19
Q

What is the “principal resident” of the pterygopalatine fossa (PPF)?

A

Pterygopalatine ganglion

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20
Q

What’s running thru the roof of the PPF?

A

V2 thru foramen rotundum

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21
Q

What’s running thru the lateral wall of the PPF?

A

Maxillary a. thru pterygomaxillary fissure

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22
Q

What’s running thru the medial wall of the PPF?

A

Sphenopalatine a., lateral nasal n., nasopalatine n. run thru sphenopalatine foramen

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23
Q

What’s running thru the anterior wall of the PPF?

A

Infraorbital n. (V2) runs thru inferior orbital fissure

24
Q

What’s running thru the posterior wall of the PPF?

A

N. and a. of the pterygoid canal run thru pterygoid canal

25
What's running thru the floor of the PPF?
Greater and lesser palatine nn., descending palatine a. come thru palatine canal
26
What area of the mouth is b/w the lower lip and lower gum?
Vestibule
27
What makes up the floor of the oral cavity?
Mylohyoid m.
28
What makes up the roof of the oral cavity?
Hard and soft palate
29
What makes up the anterolateral border of the oral cavity?
Teeth w/gingiva and alveolar processes
30
What makes up the posterior wall of the oral cavity?
Palatoglossal fold (beginning of oropharynx)
31
What runs b/w down the midline of the maxilla's palate?
Median palatine suture
32
What rubs b/w the maxilla and palatine bone?
Transverse palatine suture
33
Levator veli palatini: I & A?
O: Temporal bone (petrous portion) I: Palatine aponeurosis I: Vagus nerve A: Elevates soft palate during swallowing
34
Tensor veli palatini: I & A?
O: Scaphoid fossa of medial pterygoid plate, spine of sphenoid, pharyngotympanic (auditory, eustachian) tube I: Palatine aponeurosis I: Mandibular nerve (CN V3) A: Tenses soft palate, opens pharyngotympanic (auditory, eustachian) tube during swallowing and yawning
35
Palatoglossus: I & A?
O: Palatine aponeurosis of soft palate I: Lateral aspect of tongue I: Vagus nerve via pharyngeal plexus A: Elevates posterior tongue, depresses palate
36
Palatopharyngeus: I & A?
O: Hard palate, superior palatine aponeurosis I: Lateral pharyngeal wall I: Vagus nerve A: Tenses soft palate; pulls walls of pharynx superiorly, anteriorly, and medially during swallowing
37
Musculus uvulae: I & A?
O: Nasal spine, palatine aponeurosis I: Mucosa of uvula I: Vagus nerve A: Shortens, elevates, and retracts uvula
38
What aa. supply the hard palate?
Greater palatine a., septal branch of sphenopalatine a.
39
What aa. supply the soft palate?
Lesser palatine and ascending palatine aa.
40
Genioglossus: I & A?
O: Mental spine of mandible I: Dorsum of tongue, hyoid bone I: Hypoglossal nerve (CN XII) A: Depresses and protrudes tongue
41
Hyoglossus: I & A?
O: Body and greater horn of hyoid bone I: Lateral and inferior aspect of tongue I: Hypoglossal nerve (CN XII) A: Depresses and retracts tongue
42
Styloglossus: I & A?
O: Styloid process and stylohyoid ligament I: Lateral and inferior aspect of tongue I: Hypoglossal nerve (CN XII) A: Retracts tongue and draws it up for swallowing
43
What do you call the line under the midline tongue's floor that runs to the tip, from posterior gingival?
Frenulum
44
What are the fimbriated folds of the tongue?
Serpentine folds lateral to the lingual frenulum which overlie the lingual veins.
45
What are the sublingual folds of the tongue?
Cover the sublingual glands and the submandibular duct; contain the openings from the sublingual glands to the oral cavity.
46
What are the sublingual caruncle/papilla of the tongue?
Elevations on each side of the lingual frenulum, each contains the opening of the submandibular duct of that side
47
What important a. and n. run on either side of the hyoglossus m?
Lingual a--medially Hypoglossal n--laterally (Lingual n also runs laterally)
48
What a. and its main branches supply the tongue?
Lingual a Important branches: - Dorsal lingual, deep lingual, sublingual aa.
49
What does the frontal sinus drain into?
Middle meatus, as the semilunar hiatus
50
What do the ethmoidal air cells drain into?
Middle meatus or superior meatus
51
What does the sphenoid sinus drain into?
Sphenoethmoidal recess
52
What does the maxillary sinus drain into?
Goes through hiatus semilunaris (part of the middle meatus), drains into middle meatus
53
What does the nasolacrimal duct drain into?
Inferior meatus
54
What's the superior part of the opening to the auditory tibe, sticking out?
Taurus tubarus
55
What's Kesselbach's area?
Located in the anterior part of the nasal septum, in a location where many of the arteries supplying the septum anastomose
56
What run through greater and lesser palatine fossa?
Greater and lesser palatine nerves

SHB Exam 2 (17 decks)

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