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Anatomy > Head And Neck 1 > Flashcards

Head And Neck 1 Flashcards

1
Q

What are the two main divisions of the skeleton?

A

•Axial skeleton (80)
•Appendicular skeleton (126)

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2
Q

What are the two main divisions of the skull?

A

•Cranium
•Face

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3
Q

What cavity within the cranium holds the brain?

A

Cranial cavity

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4
Q

What bones make up the cranial cavity?

A

•Frontal
•Parietal
•Temporal
•Occipital
•Sphenoid
•Ethmoid

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5
Q

What is a synonym for skullcap?

A

Calvaria

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6
Q

What bone forms part of the calvaria the forehead and the roof of the orbits?

A

Frontal bone

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7
Q

What part of the skull do the parietal bones form?

A

Lateral walls and roof

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8
Q

What part of the skull do the temporal bones form?

A

•Inferior lateral walls
•Part of the floor of the cranium

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9
Q

What bone forms the posterior portion of the skull and the base of the cranium?

A

Occipital bone

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10
Q

What bone of the skull has a butterfly shape and unites the cranial and facial bones?

A

Sphenoid bone

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11
Q

What bone of the skull lies between the orbits and forms the anteromedial floor of the cranium?

A

Ethmoid bone

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12
Q

What are sutures?

A

Fibrous articulations between bones of the skull

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13
Q

What articulation between three of these bones occurs anteriorly in a frontal plane?

A

Coronal suture

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14
Q

What articulation can be seen running along the midline in this view?

A

Sagittal suture

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15
Q

What suture lies between the parietal bone and temporal bone on each side?

A

Squamosal suture

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16
Q

What suture appears on the posterior aspect of the skull between the parietal and occipital bones?

A

Lambdoidal suture

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17
Q

What bones occasionally appear within the sutures of the skull?

A

Sutural bones

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18
Q

What cavities hold the eyeballs?

A

Orbits

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19
Q

What two large openings lie within these cavities?

A

•Superior orbital fissure
•Inferior orbital fissure

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20
Q

Within what cavity of the skull does air pass through on its way to the lungs?

A

Nasal septum

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21
Q

What structure divides it into right and left halves?

A

Nasal septum

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22
Q

What scroll shaped bones are visible on the inferior lateral walls of this cavity?

A

Nasal conchae

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23
Q

What is a synonym for the brow ridges?

A

Superciliary arches

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24
Q

What cavities lie within the frontal bone?

A

Frontal sinus

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25
Q

What part of the temporal bone holds the middle and inner ear?

A

Petrous region

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26
Q

What opening occurs here for blood vessels and nerves?

A

Internal acoustic meatus

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27
Q

What is the posterior region of the temporal bone?

A

Mastoid region

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28
Q

What prominence in this region that lies posterior to the ear serves as the insertion for the sternocleidomastoid and contains air cells?

A

Mastoid process

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29
Q

What region of the temporal bone surrounds the bony external opening of the ear?

A

Tympanic region

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30
Q

What thin point of bone here serves as an attachement for several hyoid and tongue muscles?

A

Styloid process

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31
Q

What opening does the facial nerve pass through on the inferior surface of the skull?

A

Stylomastoid foramen

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32
Q

What opening does the internal carotid artery pass through here?

A

Carotid canal

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33
Q

What region of the temporal bone forms the superior lateral flat area of the bone?

A

Squamous region

34
Q

What bony process projects anteriorly from the temporal bone toward the zygomatic bone?

A

Zygomatic process

35
Q

What shallow depression appears on the inferior aspect of the temporal bone and forms the articulation with the mandible?

A

Mandibular fossa

36
Q

What is the opening for the ear?

A

External auditory canal

37
Q

What is the flat posterior region of the occipital bone?

A

Squamous part

38
Q

What region of the occipital bone forms the base of the cranium?

A

Basilar region

39
Q

What is the large circular opening for the spinal cord?

A

Foramen magnum

40
Q

What are smooth rounded projections on the left and right sides of this large opening?

A

Occipital condyles

41
Q

What is the opening for cranial nerve XII?

A

Hypoglossal canal

42
Q

What bony prominence can be easily palpated on the midline of the occipital bone?

A

External occipital protuberance

43
Q

What bony prominence can be found on the internal aspect of the posterior occipital bone?

A

Internal occipital protuberance

44
Q

What superior horizontal line projects laterally from the external occipital protuberance?

A

Superior nuchal line

45
Q

What is the thick medial part of the sphenoid?

46
Q

What cavities lie within the sphenoid?

A

Sphenoidal sinuses

47
Q

What projections of the sphenoid lie superior to the superior orbital fissure?

A

Lesser wings

48
Q

What projections of the sphenoid lie inferior to the superior orbital fissure and can be seen in a lateral view of the skull?

A

Greater wings

49
Q

Within the sphenoid what is the depression holding the pituitary gland?

A

Hypophyseal or pituitary fossa

50
Q

What is the bony enclosure of this depression?

A

Sella turcica

51
Q

Through what opening of the sphenoid does the optic nerve pass?

A

Optic foramen

52
Q

What three foramina penetrate the greater wings of the sphenoid?

A

Foramen rotundum
Foramen ovale
Foramen spinosum

53
Q

What projections of the sphenoid provide attachment surfaces for some muscles that move the lower jaw and soft palate?

A

Medial and lateral pterygoid plates

54
Q

What is the superior midsagittal elevation of the ethmoid?

A

Crista galli

55
Q

What horizontal structure of the ethmoid separates the cranial and nasal cavities?

A

Cribriform plate

56
Q

Through what openings do the olfactory nerves pass?

A

Cribriform foramina

57
Q

What are these cavities?

A

Ethmoidal sinuses

58
Q

What parts of the ethmoid hold the cavities?

A

Lateral masses

59
Q

What part of the ethmoid forms the medial wall of the orbits?

A

Orbital plate

60
Q

What scroll like extensions of the ethmoid project medially into the nasal cavity?

A

Superior and middle nasal conchae

61
Q

What is a synonym for the zygomatic bones?

A

Cheekbones

62
Q

What bony projections of the zygomatic bones contribute to the zygomatic arches?

A

Temporal processes

63
Q

What other two processes articulate the zygomatic bone with surrounding bone?

A

Maxillary process
Frontal process

64
Q

Where bone forms the anterior medial orbital wall?

A

Lacrimal bones

65
Q

What depression in the lacrimal bones contribute holds the lacrimal sac?

A

Lacrimal groove

66
Q

What bony enclosure surrounding the nasolacrimal duct?

A

Nasolacrimal canal

67
Q

What bones of the face form the bridge of the nose?

A

Nasal bones

68
Q

What facial bone articulates with the perpendicular plate of the ethmoid to form the nasal septum?

69
Q

What is the scroll shaped bone of the inferior lateral wall of the nasal cavity?

A

Inferior nasal concha

70
Q

What is a synonym for the nasal conchae?

A

Turbinate bones

71
Q

What l shaped bones of the face form the posterior third of the hard palate the posterior lateral portion of the nasal cavity and a portion of the orbit?

A

Palatine bones

72
Q

What portion of the palatines forms the posterior third of the hard palette?

A

Horizontal plate

73
Q

What part of the palatine forms the posterior lateral wall of the nasal cavity?

A

Perpendicular plate

74
Q

What part of the palatine forms a small part of the floor of the orbit?

A

Orbital process

75
Q

What bone holds the upper teeth and forms the anterior two thirds of the hard palate and the floor. Of the orbit?

76
Q

What part of the maxilla forms the floor of the orbit?

A

Orbital surface

77
Q

What opening within the maxilla do the infraorbital artery and nerve pass through?

A

Infraorbital foramen

78
Q

What part of the maxilla holds the upper teeth?

A

Alveolar process

79
Q

What part of the maxilla forms the anterior two thirds of the hard palate?

A

Palatine process

80
Q

What large cavity lies within this bones?

A

Maxillary sinus

81
Q

What is the only bone of the lower jaw?

Anatomy (26 decks)

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