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PSIO201 > Lab Skeletal > Flashcards

Lab Skeletal Flashcards

1
Q

What division of the body are cranial bones?

A

Axial

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2
Q

What division of the body are sutures?

A

Axial

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3
Q

What division of the body are fontanels?

A

Axial

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4
Q

What division of the body are vertebrae bones?

A

Axial

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5
Q

What describes long bones?

A

Bones that are longer than they are wide

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6
Q

What describes short bones?

A

Bones that are nearly equal in length and width

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7
Q

What describes flat bones?

A

Bones that are relatively flat.

Can be curved.

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8
Q

What describes sesamoid bones?

A

Develops where there is friction, tension, and stress.

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9
Q

What describes irregular bones?

A

Bones that are complex in shape.

Sutural.

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10
Q

How many bones are in the axial skeleton?

A

80

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11
Q

What is the function of the axial skeleton?

A

Supports and protects organs of the head, neck, and torso

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12
Q

What describes a condyle?

A

A rounded knob that articulates with another bone

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13
Q

What describes a facet?

A

A smooth, flat, slightly concave or convex articular surface.
Articular facets of the vertebrae.

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14
Q

What describes a head articulation?

A

The prominent expanded end of a bone, sometimes rounded.

Head of the femur

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15
Q

What describes a crest?

A

A narrow ridge

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16
Q

What describes a epicondyle?

A

An expanded region superior to a condyle

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17
Q

What describes a process?

A

Any bone prominence

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18
Q

What describes a protuberance?

A

A bony outgrowth or protruding part

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19
Q

What describes a tubercle?

A

A small rounded process

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20
Q

What describes a alveolus?

A

A pit or socket

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21
Q

What describes a foramen?

A

a hole through a bone, usually round

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22
Q

How many cranial bones are there?

A

8

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23
Q

Which cranial bones have a pair?

A

Parietal and temporal

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24
Q

Which cranial bones are single?

A

Frontal
Occipital
Ethmoid
Sphenoid

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25
Q

How many facial bones are there?

A

16

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26
Q

Which facial bones have a pair?

A 
Maxillae
Zygomatic lacrimal
Nasal
Inferior nasal
Conchae
Palatine
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27
Q

Where are the two parietal bones located?

A

Cranial Bones.

Superior lateral walls of cranial cavity.

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28
Q

Where are the two temporal bones located?

A

Inferior lateral walls of cranial cavity.

House organs of inner ear.

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29
Q

What bone does the external auditory meatus belong?

A

Temporal

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30
Q

What bone does the external auditory meatus belong?

A

Temporal

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31
Q

What bone does the zygomatic process belong?

A

Temporal

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32
Q

What bone does the styloid process belong?

A

Temporal

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33
Q

What bone does the mastoid process belong?

A

Temporal

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34
Q

What bone does the mandibular fossa belong?

A

Temporal

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35
Q

What describes the frontal bone?

A

Cranial bone

Anterior portion of cranial cavity.

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36
Q

Where does the supraorbital foramen belong?

A

The frontal bone

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37
Q

What describes the occipital bone

A

Cranial bone

Posterior wall of cranial cavity

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38
Q

To what bone does the foramen magnum belong?

A

Occipital

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39
Q

To what bone does the external occipital protuberance belong?

A

Occipital

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40
Q

To what bone do occipital condyles belong?

A

Occipital

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41
Q

What describes the ethmoid bone?

A

Cranial

Floor and anterior wall of the cranial cavity

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42
Q

To what bone does the crista galli belong?

A

Ethmoid

43
Q

To what bone does the cribriform plate belong?

A

Ethmoid

44
Q

To what bone does the superior nasal conchae belong?

A

Ethmoid

45
Q

To what bone does the middle nasal conchae belong?

A

Ethmoid

46
Q

To what bone does the perpendicular plate belong?

A

Ethmoid

47
Q

What describes the sphenoid bone?

A

Cranial

Serves to unite the cranial and facial bones, acting as a keystone to strengthen the lateral walls of the cranium.

48
Q

To what bone does the sella turcica belong?

A

Sphenoid

49
Q

To what bone do the lesser wings belong?

A

Sphenoid

50
Q

To what bone to the greater wings belong?

A

Sphenoid

51
Q

To what bone does the optic foramen belong?

A

Sphenoid

52
Q

Name the most anterior suture

A

coronal

53
Q

Name the most posterior suture

A

lambdoid

54
Q

Name the superior middle cranial suture

A

sagittal

55
Q

Name the inferior side cranial suture

A

squamous

56
Q

What is the function of a fontanel?

A
  1. allow the head to fit through the pelvis at birth

2. to accommodate a growing brain

57
Q

Describe the maxilla

A

Facial bone
The two maxillae together form the upper jawbone.
Each maxilla has alveoli for articulation with the teeth.

58
Q

What facial bones form the inferior and medial portions of the eye orbit?

A

Maxilla

59
Q

To what bone does the alveoli (alveolar process) belong?

A

maxilla

60
Q

To what bone does the palatine process belong?

A

Maxilla

61
Q

Describe the mandible

A

Facial bone
The lower jawbone.
Forms the only moveable joint of the skull.
Has alveoli for articulation with teef.

62
Q

What bone do the mandibular condyles (condylar process) articulate with?

A

The temporal bone

63
Q

To what bone does the ramus belong?

A

The mandible

64
Q

To what bone does the condylar process (mandibular condyle belong?

A

The mandible

65
Q

To what bone does the coronoid process belong?

A

The mandible

66
Q

To what bone does the mental foramina belong?

A

The mandible

67
Q

To what bone does the alveoli belong?

A

The mandible

68
Q

Describe the zygomatic bones.

A

Facial Bones
2 Zygomatic Bones
Two zygomatic bones form the cheekbones and the lateral portion of the eye orbits.

69
Q

To which bone does the temporal process belong?

A

Zygomatic bones

70
Q

Describe the nasal bones

A

Facial Bones
2 Bones
Nasal bones form the superior portion of the bridge of the nose

71
Q

Describe the lacrimal bones

A

Facial Bones
2 Bones
Together with the maxillae, the lacrimal bones contribute to the medial portion of each eye orbit

72
Q

Describe the inferior nasal conchae

A

Facial Bones
2 Bones
Lie inside the nasal cavity and serve to increase the turbulence of air flowing through in route to the lungs.

73
Q

Describe the vomer

A

Facial Bone
1 Bone
Forms the inferior portion of the nasal septum

74
Q

Describe the palatine bones

A

Facial Bones
2 Bones
L-shaped bones that form, with the maxillae, part of the bony roof of the mouth and a small portion of the eye orbit.

75
Q

What seven bones make up the orbit of the eye?

A 
Palatine
Sphenoid
Zygomatic
Maxilla
Frontal
Lacrimal
Ethmoid
(PSZMFLE)
76
Q

What are the ossicles for the cranial ear bone?

A

Malleus
Incus
Stapes

77
Q

What is the hyoid bone an attachment for?

A

The muscles that control the mandible, tongue, and larynx.

78
Q

What are the articulations of the hyoid bone?

A

None

79
Q

What are the regions of the vertebral column?

A 
Cervical
Thoracic
Lumbar
Sacrum
Coccyx
80
Q

How many cervical vertebrae are there?

A

7

81
Q

How many thoracic vertebrae are there?

A

12

82
Q

How many lumbar vertebrae are there?

A

5

83
Q

How many curves does a fetal vertebral column have?

A

One

84
Q

How many curves does an adult vertebral column have?

A

4

85
Q

What is the C1 vertebrae called?

A

Atlas

86
Q

What is the C2 vertebrae called?

A

Axis

87
Q

Describe a cervical vertebrae?

A

Transverse foramen

Bifurcated spinous process

88
Q

Describe the thoracic vertebrae?

A

Facets and demi-facets

Elongated spinous process

89
Q

Describe the lumbar vertebrae

A

Large body

Blunt spinous process

90
Q

What are ribs 1-7 called?

A

True ribs

91
Q

What are ribs 8-12 called?

A

False ribs

92
Q

What are ribs 8-10 called?

A

vertebrochondral ribs

93
Q

What are ribs 11-12 called?

A

floating ribs

94
Q

What ribs are connected to the sternum?

A

1-7

95
Q

Which ribs are connected to rib 7’s cartilage?

A

8-10

96
Q

The ______ of rib 1 articulates with the _________ of T1

A

Head

Superior facet

97
Q

The _______ of rib 6 articulates with the inferior demi-facet of _____

A

Head

T6

98
Q

The tubercle of rib 6 articulates with the ______ of _______

A

Transverse process

T6

99
Q

The head of ribs 10, 11, and 12 articulate with the _______ of vertebrae of _________

A

Facet

10, 11, 12

100
Q

Which ribs have no tubercles?

A

11 and 12

101
Q

Which ribs have full superior facets?

A

1, 10, 11, and 12

102
Q

Which ribs have superior and inferior demi-facets?

A

2-8

103
Q

Which rib only has a superior demi-facet?

A

9

104
Q

Which rib has both a full superior and an inferior demi-facet?

A

1

PSIO201 (6 decks)

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