Skull Flashcards

(28 cards)

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?

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?

23
Q

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

24
Q

How many bones are in the skull?

25
The bones of the skull are classified into two categories of ______ and _______
Cranial bones and facial bones
26
What bones make up the orbit?
Frontal, lacrimal, ethmoid, zygomatic, maxillary, sphenoid, palatine
27
What are the two unpaired facial bones?
Mandible and vomer
28
What are the unpaired cranial bones?
Sphenoid, ethmoid, frontal and occipital