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Anatomy > Axial Skeleton: Skull > Flashcards

Axial Skeleton: Skull Flashcards

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1
Q

What is the axial skeleton?

A

Head spind and ribs

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2
Q

How many cranial bones?

A

8

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3
Q

How many facial bones?

A

14

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4
Q

What is th name for the dome of the skull?

A

Calvaria

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5
Q

What composes the nasal septum?

A

Bone and cartilage

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6
Q

What are the four paranasal sinuses?

A

Sphenoidal, maxillary, frontal, and ethmoidal

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7
Q

What is the supraorbital margin?

A

The bone that is underneath the eyebrow

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8
Q

What is the supraorbital foramen?

A

Place in supraorbital margin that allows the passage of vessels and a nerve

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9
Q

Where is the frontal crest?

A

Interior anterior surface of the front bone

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10
Q

What is the falx cerebri?

A

Sickle shaped sheet of connective tissue that primarily partitions the largest part of the brain into left and right

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11
Q

Where are the temporal bones?

A

They form the lower sides and floor of the cranium

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12
Q

What is in the petrous region?

A

The internal auditory canal and the carotid canal

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13
Q

Where is the petrous region?

A

In the temporal bones

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14
Q

What is the purpose of the carotid canal?

A

Alow passage of internal carotid artery

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15
Q

Which foramen is closed off?

A

Foramen lacerum

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16
Q

What foramen is between the temporal and occipital bones?

A

Jugular foramen

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17
Q

What is the mastoid region?

A

Are right behind the earlobe

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18
Q

What is a prolonged middle ear infection?

A

Ottis media

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19
Q

What can ottis media also cause?

A

Mastoiditis

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20
Q

What is a sqaumous region?

A

The lateral flat surface of the temporal bone

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21
Q

What is the temporomandibular joint?

A

Articulation of the jaw to the squamous region

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22
Q

What is in the tympatic region?

A

External acoustic meatus and syloid process

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23
Q

What is the styloid process?

A

Where the tongue connects

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24
Q

Where is the occipital bone?

A

The back of the skull

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25
What are the occipital condyles purpose?
Rock back and forth on the first vertebrae to create the yes motion
26
What connects to the internal occipital crest?
Fawx cerebri
27
What ridges are on the posterior of the occipital bone?
Superior nuchal line and inferior nuchal line
28
What bone resembles a bat?
Spenoid
29
What is another name of the sphenoid bone?
Bridging bone
30
Does the sphenoid have any sinuses?
Yes the sphenoidal sinuses
31
Where is the sella turcica?
The sphenoid bone
32
What is housed in the sella turcica?
The pituitary gland
33
What can happen to the pituitary gland if there is sudden tramatic shifting?
It can sever the pituitary stalk
34
What are the foramen in the sphenoid?
Optic, rotundum, ovale, Spinosum, superior orbital fissure, and the lacerum
35
What is in the optic foramen?
Optic nerve
36
What goes through the foramen rotundum?
Cranial nerve 5 Maxillary nerve
37
Where do dentists normally inject anesthetic for the maxillae?
Just below the foramen rotundum
38
Where do dentists inject anesthetic for the manible?
The foramen ovale
39
What goes through the foramen ovale?
Cranial nerve 5
40
What is special about the foramen lacerum?
It's completely closed off in a living person
41
What bone is between the orbits and contributes to the roof of the nasal cavity?
Ethmoid bone
42
Where do the ethmoid sinuses drain?
Nasal cavity
43
What is the most superior portion of the ethmoid?
The Crista galli (cocks comb)
44
What is most inferior portion of the ethmoid?
The perpendicular plate
45
What is the anterior attachment site of the falx cerebri?
Crista galli
46
What is immediately lateral to the Crista galli?
The cribriform plate
47
What is another name of the olfactory nerve?
Cranial nerve 1
48
What is the weak bone in the ethmoid?
The cribriform plate
49
What passes through the cribriform plate?
Cranial nerve 1
50
What can a broken cribriform plate lead too?
Deadly meningitis
51
What forms the bony prominence of the cheeks?
The zygomatic bones
52
What drains just inferior to the inferior nasal conchae?
Tear ducts
53
What forms part of the medial wall of each orbit?
Lacrimal bones
54
What allows passage to the tear ducts?
Lacrimal groove
55
What bone contributes to the roof of the nasal cavity?
Nasal bones
56
What is a common facial injury?
Fracture of nasal bones and damage to the cartilage
57
What facial bones are not paired?
Vomer and mandible
58
What forms the posterior inferior portion of the nasal septum?
Vomer
59
What projects into the nasal cavity just below the superior and middle nasal conchae?
Inferior nasal conchae
60
What covers the inferior nasal conchae?
Highly vascular moist mucus membranes
61
What L shaped bone contributes to the posterior walls and floor of the nasal cavity and a small contribution to the floor of the orbits?
Palantine bones
62
What bone unites at the midline to form the upper jaw?
Maxillae
63
What contains the teeth in the maxillae?
Alveoli
64
What forms the anterior portion of the hard plate?
Palatine bones
65
What can cause a problem with nursing?
Cleft palate
66
What is the name of the condition when the maxillae don't form correctly?
Cleft palate
67
What is crepitus?
Cracking sound caused by gas or broken bone under the skin
68
What is a blowout fracture?
Fracture in the floor of orbits that causes muscles to drop into the maxillary sinus
69
What bone forms the lower jaw?
Mandible
70
What are the largest sinuses in the head?
Maxillary sinuses
71
Which sinus have very poor drainage?
Maxillary sinuses
72
What is the most commonly infected sinus?
Maxillary
73
What is inferior to the squamous portion of the temporal bone?
Mandibular condyle
74
What is the name for the articulation of the mandibular condyle and the mandibular fossa?
Temporomandibular joint (TMJ)
75
Where do the mucles that help open and close the mouth connect?
Coronoid process
76
What is in the mandibular foramen?
Cranial nerve 5
77
What part of the nasal complex is made of nasal bones, cribriform plate, frontal and sphenoid bones?
Roof
78
What part of the nasal complex is made of the palatine process and horizontal plates of palatine bones?
Floor
79
What part of the nasal complex is made of ehtmoid bone, maxillae, inferior nasal conchae, palatine bones, and lacrimal bones?
Walls
80
What part of the nasal complex is made of septal nasal cartilage, ethmoid, and vomer?
Septum
81
What are the three auditory ossicles?
Malleus (hammer), Incus (Anvil), and the Stapes (stirrup)
82
What bone is between the mandible and larynx?
Hynoid
83
What bone doesn't directly articulate with any other bone?
Hynoid
84
What are the soft parts of the skull?
Fontanels
85
What is an indication of dehydration in babies skulls?
Sunken fontanels
86
What can bulging fontanels indicate?
Meningitis and infection
87
What skull structure fuses first?
Coronal suture
88
What part of the skull might never fuse?
Squamosal suture

Anatomy (18 decks)

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