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head and Neck test 2 (Final) > Nasal Cavity 1 > Flashcards

Nasal Cavity 1 Flashcards

1
Q

Nose is part of the _____ system. It is composed of external nose and nasal cavity, which is divided into right and left halves by _____.

A

Respiratory; nasal septum

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2
Q 
Functions of nose includes:
• Olfaction
• Respiration
• Filtration of dust
• Humidification of inspired air
• Reception and elimination of secretions from \_\_\_\_\_ sinuses and \_\_\_\_\_ ducts
A

Paranasal; Nasolacrimal

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3
Q

What makes up the septum? Be specific (3)

A

Vomer, perpendicular plate of the ethmoid, and septal cartilage.

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4
Q

Nasal cavity lies beneath the _____ cranial fossa.

A

Anterior

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5
Q

Nostrils is external (anterior) nares- open into the _____.

A

Nasopharynx

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6
Q

______ is internal (posterior) nares–open into the nasopharynx

A

Choanae

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7
Q

_____ _____ extends from the roof to the floor; has both bony and cartilaginous portions

A

Nasal septum

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8
Q

(T/F) Nasal cavity usually deviates to one side of the midline.

A

True

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9
Q

_____ project from lateral walls of the nasal cavity.

A

Conchae (turbinates)

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10
Q

How many parts can the nasal cavity be divided into? What are they?

A

3 parts:

  • Vestibule part
  • Respiratory region
  • Olfactory region
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11
Q

Which part of the nasal cavity:
• Lies within the flared portion of the nose
• Contains hair follicles

A

Vestibule part

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12
Q

Which part of the nasal cavity:
• Largest part of the nasal cavity
• Contains the conchae

A

Respiratory region

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13
Q

Which part of the nasal cavity:
• Superior-most aspect of the nasal cavity
• Contains olfactory epithelium

A

Olfactory region

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14
Q

Respiratory regions are made up of what type of epithelium?

A

Pseudostratified ciliated columnar

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15
Q

Nasal vestibules are made up of what type of epithelium?

A

Stratified squamous

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16
Q

Olfactory region contains what type of epithelium?

A

Olfactory epithelium

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17
Q

Vestibule is lined by the skin with short thick hairs, known as?

A

Vibrassae

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18
Q

_____ is the lining of the sphenoethmoidal recess in the apex of nasal cavity

A

Olfactory mucosa

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19
Q

_____ covers the rest of the nasal cavity –ciliated epithelium with numerous mucus-secreting glands

A

Nasal mucosa

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20
Q

Mucosa covering the _____ and ______ traps small dust particles and moistens the inspired air

A

middle and inferior conchae

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21
Q

Mucus is swept backward by _____ into the _____ and is swallowed

A

cilia; nasopharynx

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22
Q

_____ are affected by low temperatures: cease to beat at about 10C → nose “runs” in cold weather

A

Cilia

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23
Q

Upper respiratory tract infections and cigarette smoke also inhibit _____ action

A

ciliary

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24
Q

What are the floor of the nasal cavity? (2)

A
  1. Maxilla

2. Palatine -horizontal

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25
Q

What are the roof of the nasal cavity? (5)

A
  1. Lateral cartilages
  2. Nasal bones
  3. Frontal bone - very small region
  4. Ethmoid bone - cribriform plate
  5. Sphenoid bone – body
26
Q

_____ is a scroll-like projections into nasal cavity from the lateral walls

A

CONCHAE (TURBINATES)

27
Q

What are the 3 conchae (turbinates)?

A
  • Superior nasal concha
  • Middle nasal conchae
  • Inferior nasal concha is a separate bone
28
Q

What is the function of chonchae (turbinates)?

A

Increase surface area –moistening and warming up of the inhaled air

29
Q

What divide the nasal cavity into recesses or meatuses?

A

Conchae (Turbinates)

30
Q

What are the 4 recess or meatus?

A
  • Sphenoethmoidal recess
  • Superior meatus
  • Middle meaturs
  • Inferior meatus
31
Q

Drainage: What receives opening of the sphenoid paranasal sinus posteriorly?

A

Sphenoethmoidal Recess

Drainage 1-1-4-1

32
Q

Drainage: What receives several ducts from the posterior ethmoid air cells

A

Superior Nasal Meatus

33
Q

Middle nasal meatus is between _____ and _____ nasal conchae.

A

Middle and inferior nasal conchae

34
Q

Ethmoid bulla and semilunar hiatus in contained within which meatus?

A

Middle nasal meatus

35
Q

Ethmoid bulla is in the medial wall of _____ meatus.

A

Middle nasal meatus

36
Q

Ethmoid bulla receives drainage from?

A

Middle ethmoid air cells

37
Q

Semilunar hiatus is a Slit-like groove _____ to and below the ethmoid bulla.

A

anterior

38
Q

Semilunar hiatus Receives infundibulum of the frontal sinus _____

A

anterosuperiorly

39
Q

Frontonasal of the semilunar hiatus will receive numerous ducts from the _____.

A

anterior ethmoid air cells

40
Q

Frontonasal of the semilunar hiatus Receives opening of the _____ sinus posteroinferiorly

A

maxillary

41
Q

Inferior Nasal Meatus Receives the _____ duct anteriorly

A

nasolacrimal duct (Tear drainage)

42
Q

Frontal sinus is innervated by?

A

supraorbital nerves (V1)

43
Q

Frontal sinus opens into the anterior part of the ______ in the middle meatus

A

semilunar hiatus

44
Q

______ are small invaginations of the mucous membrane of the middle and superior nasal meatus into the ethmoid bone.

A

Ethmoid air cells

45
Q

Ethmoid air cells create the _____ sinus.

A

Ethmoid

46
Q

Which set of air cells drain into the middle nasal meatus through the ethmoid infundibulum, hiatus semilunaris?

A

Anterior

47
Q

Which set of air cells open directly into the middle meatus (bullar cells) at the ethmoid bulla, a swelling on the superior border of the semilunar hiatus?

A

Middle

48
Q

Which set of air cells open directly into the superior meatus?

A

Posterior

49
Q

Ethmoid air cells are innervated by?

A

anterior & posterior branches

of the Nasociliary Nerve (V1)

50
Q

The ______ are located in the body of the sphenoid (and in some instances may extend into the wings)

A

sphenoid sinuses

51
Q

What is the innervation of sphenoid sinus?

A

branches of nasociliary n.(V1)

52
Q

There is a thin plate that separates sphenoid sinus from what 5 important structures?

A 
– Optic nerve
– Optic chiasm
– Pituitary gland
– Internal carotid arteries
– Cavernous sinus
53
Q

What is the largest of the paranasal sinuses, pyramidal in shape?

A

Maxillary sinus

54
Q

Each Maxillary sinus drains by one or two openings referred to as ______ that empty into the middle meatus by way of the _____ _____.

A

maxillary ostia ; hiatus semilunaris

55
Q

Maxillary Sinus drains (up/downwards)?

A

Upward

56
Q

Maxillary sinus is innervated by?

A

anterior, middle, and

superior alveolar nerves (V2)

57
Q

How does the nasal cavity communicate with the orbit?

A

via the nasolacrimal duct

58
Q

How does the nasal cavity communicate with the nasopharynx?

A

via the choanae

59
Q

How does the nasal cavity communicate with the paranasal sinuses?

A

via openings into meatus

60
Q

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

A

via foramina in the cribriform plate and the foramen cecum

61
Q

How does the nasal cavity communicate with the pterygoalatine fossa?

A

via sphenopalatine foramen

62
Q

How does the nasal cavity communicate with the oral cavity?

A

via incisive foramen

head and Neck test 2 (Final) (6 decks)

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