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A&P 1 > Ch. 8 Skeletal > Flashcards

Ch. 8 Skeletal Flashcards

1
Q

The _________ skeleton includes the girdles of bones which attach limbs to the axial skeleton.

A

Appendicular

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2
Q

The most complex structure in the skeleton:

A

Skull

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3
Q

The skull contains ___ cranial bones, and ___ facial bones.

A

8 Cranial Bones

14 Facial Bones

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4
Q

What bone makes up the forehead?

A

Frontal bone

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5
Q

Large opening within each orbit…

A

Superior Orbital fissures

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6
Q

__________ bones form the bony bridge of the nose.

A

Nasal

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7
Q

Left and Right __________ form most of upper jaw and lateral boundaries of nasal cavity.

A

Maxillae

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8
Q

___________ forms the lower jaw.

A

Mandible

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9
Q

_____________ Processes are located at the oral margins of maxillae and mandible

A

Alveolar

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10
Q

Divides the nasal cavity into L & R halves

A

Nasal Septum

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11
Q

The nasal septum is made of the perpendicular plate of the _________ bone, and the __________ bone

A

Ethmoid & Vomer

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12
Q

Two scroll shaped bones on infero-lateral walls of nasal cavity

A

Inferior Nasal Conchae

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13
Q

Articulation between the frontal and parietal bones.

A

Coronal Suture

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14
Q

Articulation that connects L & R Parietal bones

A

Sagittal Suture

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15
Q

Articulation of occipital bone w/ parietal bones

A

Lambdoid suture

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16
Q

Articulates with maxilla anteriorly and ethmoid bone posteriorly

A

Lacrimal Bone

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17
Q

Directly inferior to squamous suture

A

Squamous part of temporal bone

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18
Q

Surrounds external acoustic meatus

A

Tympanic part of temporal bone

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19
Q

External ear opening

A

External acoustic meatus

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20
Q

Thin, pointed projection anteromedial to mastoid process.

A

Styloid process

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21
Q

Forms posterosuperior portion of nasal septum

A

Perpendicular plate of ethmoid bone

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22
Q

Forms posteroinferior portion of nasal septum

A

Vomer

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23
Q

_________ palate: formed by palatine process of maxillae and palatine bones.

A

Hard

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24
Q

Passageway of internal jugular vein and several nerves.

A

Jugular Foramen

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25
Q

__________ Foramen - Covered by cartilage

A

Lacerum

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26
Q

Internal carotid artery passageway

A

Carotid Canal

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27
Q

Internal openings of nasal cavity, medially adjacent

A

Choanae

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28
Q

Where the spinal cord enters the cranial cavity

A

Foramen Magnum

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29
Q

Articulate with first cervical vertebra

A

Occipital condyles

30
Q

Passage wats for olfactory nerves

A

Cribriform foramina

31
Q

Elevation on anteromedial part of cribriform plate, attachment of CT membranes around brain

A

Crista Galli

32
Q

Bony depression on sphenoid bone, houses pituitary gland

A

Sella Turcica

33
Q

Passageway for Vestibulocochlear nerve

A

Internal Acoustic Meatus

34
Q

This structure forms the lateral walls of the nasal cavity, and increase surface area.

A

Nasal Conchae

35
Q

Air filled chambers that open into nasal cavity, that provide resonance to voice.

A

Paranasal Sinuses

36
Q

These three bones (Malleus, Incus, Stapes) are associated with what structure?

A

Ear

37
Q

This bone of the neck, does not articulate with any other bone.

A

Hyoid

38
Q

This bone is the attachment site for tongue and larynx muscles and ligaments.

A

Hyoid Bone

39
Q

Dense Regular CT membranes between fetal cranial bones, “soft spots” on baby’s head

A

Fontanelles

40
Q

Structures on a babies bead that allow for rapid growth of the brain, as well as enables flexion to facilitate passage through birth canal

A

Fontanelles

41
Q

How many cervical vertebrae are there?

A

7

42
Q

How many thoracic vertebrae are there?

A

12

43
Q

How many lumbar vertebrae are there?

A

5

44
Q

The sacrum is made up of ____ fused sacral vertebrae

A

5

45
Q

Coccyx is made up of ___ fused coccygeal vertebrae

A

4

46
Q

How many spinal curvatures are there?

A

4

47
Q

Spinal curvatures gives column more ______________ and better support than if straight.

A

Flexibility

48
Q

At birth, the spinal column is “___” shaped

A

C

49
Q

Intervertebral disks are made up of…

A

Fibrocartilage

50
Q

Outer ring of Fibrocartilage vertebral disks are called the

A

Anulus Fibrosus

51
Q

Inner gelatinous regions of intervertebral disk is called the…

A

Nucleus Pulposus

52
Q

Which vertebrae have transverse foramina?

A

Cervical

53
Q

Atlas is what vertebrae?

A

C1

54
Q

Atlas allows for what movement

A

Nodding “yes”

55
Q

Atlas lacks a _______

A

Body and/or spinous process

56
Q

What vertebrae is the Axis?

A

C2

57
Q

The __________ on the axis, acts as a pivot for lateral rotation between atlas and skull.

A

Dens

58
Q

What movement does the Axis allow for?

A

Shaking head “No”

59
Q

Thoracic vertebrae have __________-shaped bodies

A

Heart

60
Q

The largest vertebrae

A

Lumbar

61
Q

Lumbar Vertebrae lack…

A

Transverse Foramina and costal facets

62
Q

These vertebrae bear most of the weight of the body

A

Lumbar

63
Q

This structure of the sacrum allows for passage of nerves

A

Sacral Foramina

64
Q

On the sacrum, the site of articulation with os coxae of pelvic girdle. Forms sacroiliac joint

A

Auricular surface

65
Q

True ribs are pairs ___ through ___

A

1 through 7

66
Q

False ribs are pairs ___ through ____

A

8 through 12

67
Q

Floating Ribs are pairs ___ through ____

A

11 through 12

68
Q

The ribs articulate with the vertebral column at the _______ and _________

A

Head and tubercle

69
Q

The clavicle articulates with the _____________ of the sternum and the ____________ of the scapula.

A

Manubrium of the sternum

Acromion of the scapula

70
Q

Metacarpal 1 aligns with what finger?

A

Thumb

71
Q

What is the only weight bearing bone in the crural region?

A

Tibia

A&P 1 (17 decks)

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