Head And Neck 1 Flashcards

(81 cards)

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
What part of the temporal bone holds the middle and inner ear?
Petrous region
26
What opening occurs here for blood vessels and nerves?
Internal acoustic meatus
27
What is the posterior region of the temporal bone?
Mastoid region
28
What prominence in this region that lies posterior to the ear serves as the insertion for the sternocleidomastoid and contains air cells?
Mastoid process
29
What region of the temporal bone surrounds the bony external opening of the ear?
Tympanic region
30
What thin point of bone here serves as an attachement for several hyoid and tongue muscles?
Styloid process
31
What opening does the facial nerve pass through on the inferior surface of the skull?
Stylomastoid foramen
32
What opening does the internal carotid artery pass through here?
Carotid canal
33
What region of the temporal bone forms the superior lateral flat area of the bone?
Squamous region
34
What bony process projects anteriorly from the temporal bone toward the zygomatic bone?
Zygomatic process
35
What shallow depression appears on the inferior aspect of the temporal bone and forms the articulation with the mandible?
Mandibular fossa
36
What is the opening for the ear?
External auditory canal
37
What is the flat posterior region of the occipital bone?
Squamous part
38
What region of the occipital bone forms the base of the cranium?
Basilar region
39
What is the large circular opening for the spinal cord?
Foramen magnum
40
What are smooth rounded projections on the left and right sides of this large opening?
Occipital condyles
41
What is the opening for cranial nerve XII?
Hypoglossal canal
42
What bony prominence can be easily palpated on the midline of the occipital bone?
External occipital protuberance
43
What bony prominence can be found on the internal aspect of the posterior occipital bone?
Internal occipital protuberance
44
What superior horizontal line projects laterally from the external occipital protuberance?
Superior nuchal line
45
What is the thick medial part of the sphenoid?
Body
46
What cavities lie within the sphenoid?
Sphenoidal sinuses
47
What projections of the sphenoid lie superior to the superior orbital fissure?
Lesser wings
48
What projections of the sphenoid lie inferior to the superior orbital fissure and can be seen in a lateral view of the skull?
Greater wings
49
Within the sphenoid what is the depression holding the pituitary gland?
Hypophyseal or pituitary fossa
50
What is the bony enclosure of this depression?
Sella turcica
51
Through what opening of the sphenoid does the optic nerve pass?
Optic foramen
52
What three foramina penetrate the greater wings of the sphenoid?
Foramen rotundum Foramen ovale Foramen spinosum
53
What projections of the sphenoid provide attachment surfaces for some muscles that move the lower jaw and soft palate?
Medial and lateral pterygoid plates
54
What is the superior midsagittal elevation of the ethmoid?
Crista galli
55
What horizontal structure of the ethmoid separates the cranial and nasal cavities?
Cribriform plate
56
Through what openings do the olfactory nerves pass?
Cribriform foramina
57
What are these cavities?
Ethmoidal sinuses
58
What parts of the ethmoid hold the cavities?
Lateral masses
59
What part of the ethmoid forms the medial wall of the orbits?
Orbital plate
60
What scroll like extensions of the ethmoid project medially into the nasal cavity?
Superior and middle nasal conchae
61
What is a synonym for the zygomatic bones?
Cheekbones
62
What bony projections of the zygomatic bones contribute to the zygomatic arches?
Temporal processes
63
What other two processes articulate the zygomatic bone with surrounding bone?
Maxillary process Frontal process
64
Where bone forms the anterior medial orbital wall?
Lacrimal bones
65
What depression in the lacrimal bones contribute holds the lacrimal sac?
Lacrimal groove
66
What bony enclosure surrounding the nasolacrimal duct?
Nasolacrimal canal
67
What bones of the face form the bridge of the nose?
Nasal bones
68
What facial bone articulates with the perpendicular plate of the ethmoid to form the nasal septum?
Vomer
69
What is the scroll shaped bone of the inferior lateral wall of the nasal cavity?
Inferior nasal concha
70
What is a synonym for the nasal conchae?
Turbinate bones
71
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?
Palatine bones
72
What portion of the palatines forms the posterior third of the hard palette?
Horizontal plate
73
What part of the palatine forms the posterior lateral wall of the nasal cavity?
Perpendicular plate
74
What part of the palatine forms a small part of the floor of the orbit?
Orbital process
75
What bone holds the upper teeth and forms the anterior two thirds of the hard palate and the floor. Of the orbit?
Maxilla
76
What part of the maxilla forms the floor of the orbit?
Orbital surface
77
What opening within the maxilla do the infraorbital artery and nerve pass through?
Infraorbital foramen
78
What part of the maxilla holds the upper teeth?
Alveolar process
79
What part of the maxilla forms the anterior two thirds of the hard palate?
Palatine process
80
What large cavity lies within this bones?
Maxillary sinus
81
What is the only bone of the lower jaw?
Mandible