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Anatomy Module 8 > Nose and Sinuses > Flashcards

Nose and Sinuses Flashcards

1
Q

Projects from the face and Vary in size and shape bec of differences in nasal cartilage

A

ExternalNose

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2
Q

Parts of external nose

A 
1. Root
2] Apex 
3] Nares
4] Alae
5] Nasal septum
6] Vestibule
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3
Q

superior angle of external nose

A

Root

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4
Q

tip of external nose

A

apex

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5
Q

has 2 piriform openings

A

nares

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6
Q

lateral boundaries

A

alae

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7
Q

middle struc w/c separates 2 nares

A

nasal septum

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8
Q

w/ stiff hairs

A

vestibule

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9
Q

Skeletalpart of nose

A

Nasal bones
Frontal proc of maxillae
Nasal part of frontal bone

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10
Q

Cartilaginous Part

A

2 Lateral cartilage
2 Alar cartilage
1 Septal cartilage

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11
Q

Divides the chamber of the nose into 2 nasal cavities

A

Nasal Septum

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12
Q

Components of nasal septum

A

1] Perpendicular plate of ethmoid
2] Vomer
3] Septal cartilage

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13
Q

forms superior part of the nasal septum

A

1] Perpendicular plate of ethmoid

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14
Q

thin flat bone

A

2] Vome

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15
Q

articulates w/ bony septum

A

septal cartilage

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16
Q

Open posteriorly into the nasopharynx thru the choanae

A

Nasal cavity

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17
Q

TRUE OR FALSE

Mucosa lines the NC except for vestibule

A

tRUE

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18
Q

2 AREAS OF NASAL CAVITY

A

1] Olfactory area

2] Respiratory area

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19
Q

superior 1/3 AND contains organ of smell

A

1] Olfactory area

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20
Q

-inferior 2/3 where air is warmed and moistened before it goes to resp tract

A

2] Respiratory area

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21
Q

3 scroll-shaped elevations
Superior,middle,inferior
Divide the nasal cavity into 4 passage

A

Nasal Concha

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22
Q

4 nasal passages of nasal cavity

A

1] Sphenoethmoidal recess
2] Superior meatus
3] Middle meatus
4] Inferior meatus

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23
Q

sphenoidal sinus

A

Sphenoethmoidal recess

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24
Q

-posterior ethmoidal sinus

A

Superior meatus

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25
Q

anterior/middle ethmoidal sinus

  • frontal sinus
  • maxillary sinus
A

Middle meatus

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26
Q

-nasolacrimal duct

A

Inferior meatus

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27
Q

Arterial Supply of the Nose

A

Branches of:

  1. Sphenopalatine artery
  2. Anterior and posterior ethmoidal a
  3. Greater palatine a
  4. Superior labial a
  5. Lateral nasal branches of facial a
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28
Q

anterior, where all arteries anastomose, where nose bleeding occurs

A

Kiesselbach’s area

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29
Q

Venous drainage of nose

A

Sphenopalatine,facial and ophthalmic veins

30
Q

Nerve supply of Nasal septum

A

Nasopalatine n
Greater palatine n
Anterior ethmoidal n
Posterior ethmoidal n

31
Q

Smell innervation

A

Olfactory n

Olfactory bulb -forebrain

32
Q

Air-filled extensions of the respiratory part of the nasal cavity

A

PARANASAL SINUSES

33
Q

the 4 paransal sinuses

A

FRONTAL
ETHMOID
SPHENOID
MAXILLARY

34
Q

Sinus Between outer and inner tables of frontal bone

Detectable by 7 yo

A

Frontal sinus

35
Q

Drains thru frontonasal duct into infundibulum w/c opens into semilunar hiatus of middlemeatus

A

Frontal sinus

36
Q

NS of frontal sinus

A

br of supraorbital nerve

37
Q

Comprise several cavities-ethmoidal cells

At ethmoid bone

A

Ethmoid sinus

38
Q

Parts of EThmoid sinus

A

Anterior–drain into middle meatus
Middle–form ethmoidal bulla,drain into middle meatus
Posterior-drain into superior meatus

39
Q

NS of ethmoid sinus

A

Nasociliary n[CN V1

40
Q

Unevenly divided

Body of sphenoid

A

Sphenoid sinus

41
Q

What separates the sphenoid sinus

A

thin plates of bone from optic nerve and chiasma
ICA
pit’y gl

42
Q

Where does sphenoid sinus open

A

sphenoethmoidal recess

43
Q

NS of sphenoid sinus

A

posterior ethmoidal nerve

44
Q

Largest

Pyramidal shaped sinus

A

Maxillary Sinus

45
Q

Parts of Maxillary sinus

A 
Parts:
Apex-into zygomatic bone
Base-part of nasal cavity
Roof-formed by floor of orbit
Floor-formed by alveolar part of maxilla
46
Q

Where does maxillary sinus drain?

A

Drains via maxillary ostium into middlemeatus

47
Q

NS of maxillary sinus

A

Superior alveolar nerves

48
Q

Fibromuscular tube that extends from the base of the skull to the lower border of the cricoid cartilage

A

Pharynx

49
Q

point pharynx becomes the esophagus

A

Cricoid cartilage

50
Q

Portions of the pharynx lie posterior to:

A 
nasal cavity (nasopharynx)
oral cavity (oropharynx)
larynx (laryngopharynx)
51
Q

Behind nasal cavities, mouth, larynx
•Funnel-shaped
•Musculo membranous wall

A

Pharynx

52
Q

Parts continuous with Mucous Membrane

A

nasal cavity, mouth, larynx and tympanic cavity

53
Q

Lining epithelium of upper Pharynx

A

ciliated columnar epithelium

54
Q

Lining epithelium of Lowerr Pharynx

A

stratified squamous epithelium

55
Q

Fibrous layer of Pharynx that is thicker, stronger, connected to base of skull

A

ABove

56
Q

Fribrous layer of Pharynx continuous with submucous coat of esophagus

A

Below

57
Q

The muscular walls of the pharynx are comprised of an outer layer made up of 3 circularly disposed muscles called

A

CONSTRICTORS

58
Q

WHat are the constrictors?

A

SUPERIOR,
MIDDLE
INFERIOR PHARYNGEAL CONSTRICTORS

59
Q

Composition of the Muscular Layer of Pharynx

A

superior constrictors
middle constrictors
inferior constrictors

60
Q

How are the fibers oriented in the muscular layer of pharynx

A

circular fashion composed of:

  1. stylopharyngeus ms.
  2. salpingopharyngeus ms.
61
Q

Origin of Superior Constrictor Muscle

A
  1. medial pterygoid plate
  2. pterygoid hamulus
  3. pterygomandibular ligament
  4. mylohyoid line
62
Q

Insertion of upper superior constrictor

A

pharygeal tubercle

63
Q

Insertion of middle superior constrictor

A

median fibrous raphe

64
Q

WHat muscle of pharynx contracts and pulls post pharyngeal wall forward during swallowing aid soft plate in closing off nasopharynx

A

Superior Constrictor Muscle

65
Q

NS of superio constrictor

A

pharyngeal plexus

66
Q

Originates from stylohyoid ligament and lesser and greater cornua of hyoid

A

Middle constrictor

67
Q

WHere middle constrictor muscle inserts

A

median fibrous raphe

68
Q

NS of middle constrictor mus

A

pharyngeal plexus

69
Q

Action of middle constrictor

A

contracts and propels food bolus down into esophagus

70
Q

Origin of Inferior constrictor

A

thyroid cartilage

cricoid cartilage

71
Q

Insertion of Inferioir constrictor

A

superior fibers –MCM
lower fibers –esophagus
median fibrous raphe

72
Q

propel bolus of food into esophagus cricopharyngeus muscle –sphincteric effect

A

Inferior constrictor

Anatomy Module 8 (3 decks)

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