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Positioning > Facial Bones- Chapter 11 > Flashcards

Facial Bones- Chapter 11 Flashcards

1
Q

Of the 14 bones that make up the facial skeleton, only 2 bones are unpaired. What are they?

A

Vomer
Mandible

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2
Q

What are the largest immovable bones of the face?

A

Maxillary Bones

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3
Q

The right and left maxillary bones are solidly united at the midline below the ______ ________?

A

Nasal Septum

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4
Q

Each maxilla assists in the formation of 3 cavities of the face. What are the 3 cavities?

A

Mouth
Nasal Cavity
One Orbit

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5
Q

What are the four process on the maxilla?

A

Frontal Process
Zygomatic Process
Alveolar Process
Palatine Process

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6
Q

What projects laterally to unite with zygoma?

A

Zygomatic Process

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7
Q

What is the inferior aspect of the body of each maxilla?
(8 upper teeth)

A

Alveolar Process

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8
Q

What projects upward alone the lateral border of the nose towards the frontal bone?

A

Frontal Process

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9
Q

Superior aspect of the anterior nasal spine is called what?

A

Acanthion

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10
Q

The body of each maxillary bone contains a large, air filled cavity known as a

A

Maxillary Sinus

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11
Q

What kind of joint is the palatine process?

A

Synathrodial (Immovable)

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12
Q

The two palatine process form the _____ part of the roof of the mouth

A

Anterior

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13
Q

The horizontal portion of two other facial bones, the palatine bones, form what part of the hard palate?

A

Posterior

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14
Q

Projecting posteriorly from the zygoma is a slender process that connects with the zygomatic process of the temporal bone to form the _____?

A

Zygomatic Arch

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15
Q

The anterior portion of the arch is formed by the _______?

A

Zygoma

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16
Q

Positioning landmark, and this term refers to this prominence portion of the zygoma

A

Zygomatic Prominence

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17
Q

Thinnest and most fragile bones in the entire body

A

Lacrimal

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18
Q

What forms the bridge of the nose

A

Two nasal bones

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19
Q

These two bones project from the lateral walls of the nasal cavity on each side and extend medially

A

Inferior Nasal Conchae

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20
Q

How many pairs of nasal conchae are there

A

3

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21
Q

3 pairs of the nasal conchae

A

Superior/Middle ; Ethmoid
Inferior

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22
Q

Nasal Conchae Job

A

Break up or mix the flow of air coming into the nasal cavity before it reaches the lungs; Incoming air is warmed and cleaned as it comes in contact with the mucous membrane the covers the conchae

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23
Q

The cribiform plate and the crista galli of the ethmoid bone help to separate the cranium from the ____

A

facial bone mass

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24
Q

What 2 bones formed the bony nasal septum

A

Ethmoid
Vomer

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25
Q

Anterior nasal septum is cartilaginous and termed

A

Septal Cartilage

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26
Q

Thin, triangular bone that forms the infero-posterior part of the nasal septum

A

Vomer

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27
Q

Source of nosebleed

A

Vomer

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28
Q

Site of nasal deviation

A

Between the septal cartilage and the vomer

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29
Q

Only movable bone in the adult skull

A

Mandible

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30
Q

Center of mental protuberance

A

Mental Point

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31
Q

Single body that forms from each lateral half and unites at the anterior midline

A

Symphysis

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32
Q

The mental foramina serve as a passage way for what

A

Mental artery/vein
Mental nerve

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33
Q

Does the coronoid process articulate with another bone

A

No

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34
Q

Where does the upper portion of the ramus terminate

A

Mandibular notch

35
Q

The process at the anterior end of the mandibular notch is termed the

A

Coronoid process

36
Q

The posterior process of the upper ramus is termed the

A

condyloid process

37
Q

Only movable joint in the skull

A

TMJ

38
Q

TMJ joint type

A

Synovial
Bicondylar
Plane / Gliding

39
Q

Alveoli and roots of teeth joint type

A

Fibrous
Gomphosis

40
Q

What sinus is definite at birth

A

Maxillary

41
Q

Frontal and sphenoid sinus begin to develop at ages

A

6/7

42
Q

What sinuses are contained within the lateral masses or labyrinths of the ethmoid bone

A

Ethmoid sinuses

43
Q

3 groupings of the ethmoid sinuses

A

Anterior
Middle
Posterior collections

44
Q

What sinuses lie directly below the sella turcica

A

Sphenoid sinuses

45
Q

Drainage pathways for frontal, maxillary, and ethmoid sinuses make up the

A

osteomeatal complex

46
Q

All four sinuses are seen on what radiograph

A

Open mouth waters

47
Q

Cause by a blow to the cheek, resulting in fracture of zygoma in 3 places
“free floating zygomatic bone”

A

Tripod Fx

48
Q

Severe bilateral horizontal fxs of the maxillae that may result in an unstable detached fragment

A

Le fort fx

49
Q

Opposite fx

A

Contrecoup fx

50
Q

describes a new and abnormal growth

A

Neoplasm

51
Q

localized infection of bone or bone marrow

A

Osteomyelitis

52
Q

infection of the sinus mucosa that may be acute or chronic

A

sinusitis

53
Q

infection of bone and marrow secondary to sinusitis

A

secondary osteomyelitis

54
Q

zygoma articulations

A

ZOOS FAKE THE SNAKES MARKS

55
Q

lacrimal articulations

A

LATELY FRIENDS EAT MORE ITALIAN

56
Q

Nasal articulations

A

nobody freaking eats moldy oreos

57
Q

Inferior nasal concha articulation

A

I ENJOY MAKING LITTLE PRETZELS

58
Q

Palatine bone articulations

A

please enjoy some more italian vegetables please

59
Q

mandible articulation

A

my treat

60
Q

orbits articulations

A

orangutans sometimes fight so eagerly many zoos lack protection

61
Q

Maxillary articulations

A

MOM never lets friends enter Italian zoo per vacancy

62
Q

PA CALDWELL FACIAL BONES

A

OML PERP
15 caudal
Cr exit at nasion

63
Q

Waters facial bones

A

MML PERP

OML FORMS 37 ANGLE
EXIT AT ACANTHIAN

64
Q

Modified waters facial bone

A

LML PERP
55 angle
exit at acanthian
Better view to see inferior orbits

65
Q

lateral facial bones

A

IOML PERPENDICULAR TO FRONT EDGE OF IR
CR AT ZYGOMA

66
Q

lateral nasal bones

A

IPL PERPENDICULAR
CR 1/2 below nasion

67
Q

SUPEROINFERIOR TANGENTAIL AXIAL PROJECTION NASAL BONES

A

parallel to GAL

68
Q

SMV zygomatic arches

A

IOML PARALLEL
mid way between arches

69
Q

oblique inferosuperior projection zygomatic arches

A

shows single arches
IOML PARALLEL
15;15

70
Q

townes zygomatic arches

A

30 causal to OML or 37 to IOML
cr 1 inch above basil

71
Q

rhese method
3 point landing

A

chin cheek nose
AML perp
37 towards affected side; 53

72
Q

true lateral mandible best demonstrates what

A

ramus

73
Q

amount of rotation for a general surgery of mandible

A

10-15

74
Q

rotation for mentum

A

45

75
Q

PA axial mandible

A

oml perp
20-25 cephalon , exit at acanthion

76
Q

townes mandible

A

OML perp
35 for OML
42 IOML

77
Q

SMV mandible

A

IOML PARALLEL

78
Q

modified town for TMJ

A

oml perp
35 caudal oml
42 ioml

79
Q

modified law tmj

A

ipl perp
face towards ir 15
15 cuad
1 1/2 inches superior to eam

80
Q

schuller tmj

A

ioml perp to front edge of ir
25 - 30 causal

81
Q

caldwell sinuses

A

elevate head so oml is 15 angle from horizontal
exit at nation

82
Q

waters sinuses

A

mml perp
oml 37 to ir
exit at acanthion

83
Q

smv sinuses

A

ioml parallel

84
Q

open mouth waters sinus

A

oml forms 37 angle
exit at acanthion

Positioning (2 decks)

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