Skull Flashcards

1
Q

What is orthopedics?

A

The prevention and correction of disorders of the musculoskeletal system

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2
Q

What is the axial skeleton made up of

A

Skull, hyoid, ribs, vertebrae sternum, auditory ossicles

80 BONES

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3
Q

What are the parts of the appendicular skeleton?

A

Upper and lower extremities and the limb girdles

126 BONES

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4
Q

What are the cranial bones? And how many are there?

A
Frontal (1)
Parietal (2)
Occipital (1)
Temporal (2)
Sphenoid (1)
Ethmoid (1)

8 cranial bones

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5
Q

What are the facial (visceral) bones? And how many are there?

A
Maxilla (2)
Palatine (2)
Zygomatic (2)
Lacrimal (2)
Nasal (2)
Vomer(1)
Inferior nasal concha (2)
Mandible (1)

Total of 14 visceral or facial bones

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6
Q

What are the 4 paranasal sinuses?

A

Frontal sinus
Ethmoidal sinus
Maxillary sinus
Sphenoid sinus

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7
Q

What large bone forms the forehead region, roof of the orbit and anterior part of the cranial cavity?

A

Frontal bone

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8
Q

What two large bones form the greater part of the superior and lateral part of the skull?

A

Parietal bones

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9
Q

What lies at the middles part of the base of the skull, a keystone of the cranial flor because it articulates with all the other cranial bones?

A

Sphenoid bone

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10
Q

What light sponge -like bone located on the midline in the anterior part of the cranial floor?

A

Ethmoid bone

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11
Q

These bones form the skeleton of the bridge of the nose, the major structure portion of the nose consists of flexible cartilage. What are these bones?

A

Nasal bones

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12
Q

What are the cheek bones that lie inferior and lateral to the eye sockets?

A

Zygomatic Bones

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13
Q

What bones make up the upper jaw bone and holds the upper teeth?

A

Maxilla

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14
Q

What is the lower jaw bone which holds the lower teeth?

A

Mandible

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15
Q

What is about the size of a fingernail and are the smallest of the facial bones? They form part of the medial wall of each orbit

A

Lacrimal

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16
Q

What L shaped bone has a horizontal part that forms part of the bony palate and the vertical part forms part of the lateral wall a of the nasal cavity and extends to the floor of the orbits?

A

Palatine bones

17
Q

What bone is unpaired wedge shaped that forms the posterior inferior part of the nasal septum?

A

Vomer

18
Q

Where is the anterior fontanel formed?

A

The intersection of the metopic suture coronal suture and the sagittal suture

19
Q

What forms the upper part of the nasal cavity?

A

Perpendicular plate

20
Q

What are the intersections of the new born skull called and what are the 4?

A

Fontanels

Anterior
Posterior
Sphenoidal
Mastoid

21
Q

How many sutures does a new born skull have and what are their names?

A

Coronal, sagittal, squasmosal, lambdoidal, Metopic

22
Q

What intersection is formed when the coronal and sagittal suture meet?

A

Bregma

23
Q

What is the intersection called where the lambdoidal suture and the parietal suture meet?

A

Lambda

24
Q

How many bones are in the skull?

A

22 bones

25
Q

The bones of the skull are classified into two categories of ______ and _______

A

Cranial bones and facial bones

26
Q

What bones make up the orbit?

A

Frontal, lacrimal, ethmoid, zygomatic, maxillary, sphenoid, palatine

27
Q

What are the two unpaired facial bones?

A

Mandible and vomer

28
Q

What are the unpaired cranial bones?

A

Sphenoid, ethmoid, frontal and occipital