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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
Q

What’s running thru the floor of the PPF?

A

Greater and lesser palatine nn., descending palatine a. come thru palatine canal

26
Q

What area of the mouth is b/w the lower lip and lower gum?

A

Vestibule

27
Q

What makes up the floor of the oral cavity?

A

Mylohyoid m.

28
Q

What makes up the roof of the oral cavity?

A

Hard and soft palate

29
Q

What makes up the anterolateral border of the oral cavity?

A

Teeth w/gingiva and alveolar processes

30
Q

What makes up the posterior wall of the oral cavity?

A

Palatoglossal fold (beginning of oropharynx)

31
Q

What runs b/w down the midline of the maxilla’s palate?

A

Median palatine suture

32
Q

What rubs b/w the maxilla and palatine bone?

A

Transverse palatine suture

33
Q

Levator veli palatini: I & A?

A

O: Temporal bone (petrous portion)
I: Palatine aponeurosis

I: Vagus nerve
A: Elevates soft palate during swallowing

34
Q

Tensor veli palatini: I & A?

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
Q

Palatoglossus: I & A?

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
Q

Palatopharyngeus: I & A?

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
Q

Musculus uvulae: I & A?

A

O: Nasal spine, palatine aponeurosis
I: Mucosa of uvula

I: Vagus nerve
A: Shortens, elevates, and retracts uvula

38
Q

What aa. supply the hard palate?

A

Greater palatine a., septal branch of sphenopalatine a.

39
Q

What aa. supply the soft palate?

A

Lesser palatine and ascending palatine aa.

40
Q

Genioglossus: I & A?

A

O: Mental spine of mandible
I: Dorsum of tongue, hyoid bone

I: Hypoglossal nerve (CN XII)
A: Depresses and protrudes tongue

41
Q

Hyoglossus: I & A?

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
Q

Styloglossus: I & A?

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
Q

What do you call the line under the midline tongue’s floor that runs to the tip, from posterior gingival?

A

Frenulum

44
Q

What are the fimbriated folds of the tongue?

A

Serpentine folds lateral to the lingual frenulum which overlie the lingual veins.

45
Q

What are the sublingual folds of the tongue?

A

Cover the sublingual glands and the submandibular duct; contain the openings from the sublingual glands to the oral cavity.

46
Q

What are the sublingual caruncle/papilla of the tongue?

A

Elevations on each side of the lingual frenulum, each contains the opening of the submandibular duct of that side

47
Q

What important a. and n. run on either side of the hyoglossus m?

A

Lingual a–medially
Hypoglossal n–laterally
(Lingual n also runs laterally)

48
Q

What a. and its main branches supply the tongue?

A

Lingual a
Important branches:
- Dorsal lingual, deep lingual, sublingual aa.

49
Q

What does the frontal sinus drain into?

A

Middle meatus, as the semilunar hiatus

50
Q

What do the ethmoidal air cells drain into?

A

Middle meatus or superior meatus

51
Q

What does the sphenoid sinus drain into?

A

Sphenoethmoidal recess

52
Q

What does the maxillary sinus drain into?

A

Goes through hiatus semilunaris (part of the middle meatus), drains into middle meatus

53
Q

What does the nasolacrimal duct drain into?

A

Inferior meatus

54
Q

What’s the superior part of the opening to the auditory tibe, sticking out?

A

Taurus tubarus

55
Q

What’s Kesselbach’s area?

A

Located in the anterior part of the nasal septum, in a location where many of the arteries supplying the septum anastomose

56
Q

What run through greater and lesser palatine fossa?

A

Greater and lesser palatine nerves

SHB Exam 2 (17 decks)

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