Lab Skeletal Flashcards
1
Q
What division of the body are cranial bones?
A
Axial
2
Q
What division of the body are sutures?
A
Axial
3
Q
What division of the body are fontanels?
A
Axial
4
Q
What division of the body are vertebrae bones?
A
Axial
5
Q
What describes long bones?
A
Bones that are longer than they are wide
6
Q
What describes short bones?
A
Bones that are nearly equal in length and width
7
Q
What describes flat bones?
A
Bones that are relatively flat.
Can be curved.
8
Q
What describes sesamoid bones?
A
Develops where there is friction, tension, and stress.
9
Q
What describes irregular bones?
A
Bones that are complex in shape.
Sutural.
10
Q
How many bones are in the axial skeleton?
A
80
11
Q
What is the function of the axial skeleton?
A
Supports and protects organs of the head, neck, and torso
12
Q
What describes a condyle?
A
A rounded knob that articulates with another bone
13
Q
What describes a facet?
A
A smooth, flat, slightly concave or convex articular surface.
Articular facets of the vertebrae.
14
Q
What describes a head articulation?
A
The prominent expanded end of a bone, sometimes rounded.
Head of the femur
15
Q
What describes a crest?
A
A narrow ridge
16
Q
What describes a epicondyle?
A
An expanded region superior to a condyle
17
Q
What describes a process?
A
Any bone prominence
18
Q
What describes a protuberance?
A
A bony outgrowth or protruding part
19
Q
What describes a tubercle?
A
A small rounded process
20
Q
What describes a alveolus?
A
A pit or socket
21
Q
What describes a foramen?
A
a hole through a bone, usually round
22
Q
How many cranial bones are there?
A
8
23
Q
Which cranial bones have a pair?
A
Parietal and temporal
24
Q
Which cranial bones are single?
A
Frontal
Occipital
Ethmoid
Sphenoid
25
How many facial bones are there?
16
26
Which facial bones have a pair?
```
Maxillae
Zygomatic lacrimal
Nasal
Inferior nasal
Conchae
Palatine
```
27
Where are the two parietal bones located?
Cranial Bones.
| Superior lateral walls of cranial cavity.
28
Where are the two temporal bones located?
Inferior lateral walls of cranial cavity.
| House organs of inner ear.
29
What bone does the external auditory meatus belong?
Temporal
30
What bone does the external auditory meatus belong?
Temporal
31
What bone does the zygomatic process belong?
Temporal
32
What bone does the styloid process belong?
Temporal
33
What bone does the mastoid process belong?
Temporal
34
What bone does the mandibular fossa belong?
Temporal
35
What describes the frontal bone?
Cranial bone
| Anterior portion of cranial cavity.
36
Where does the supraorbital foramen belong?
The frontal bone
37
What describes the occipital bone
Cranial bone
| Posterior wall of cranial cavity
38
To what bone does the foramen magnum belong?
Occipital
39
To what bone does the external occipital protuberance belong?
Occipital
40
To what bone do occipital condyles belong?
Occipital
41
What describes the ethmoid bone?
Cranial
| Floor and anterior wall of the cranial cavity
42
To what bone does the crista galli belong?
Ethmoid
43
To what bone does the cribriform plate belong?
Ethmoid
44
To what bone does the superior nasal conchae belong?
Ethmoid
45
To what bone does the middle nasal conchae belong?
Ethmoid
46
To what bone does the perpendicular plate belong?
Ethmoid
47
What describes the sphenoid bone?
Cranial
| Serves to unite the cranial and facial bones, acting as a keystone to strengthen the lateral walls of the cranium.
48
To what bone does the sella turcica belong?
Sphenoid
49
To what bone do the lesser wings belong?
Sphenoid
50
To what bone to the greater wings belong?
Sphenoid
51
To what bone does the optic foramen belong?
Sphenoid
52
Name the most anterior suture
coronal
53
Name the most posterior suture
lambdoid
54
Name the superior middle cranial suture
sagittal
55
Name the inferior side cranial suture
squamous
56
What is the function of a fontanel?
1. allow the head to fit through the pelvis at birth
| 2. to accommodate a growing brain
57
Describe the maxilla
Facial bone
The two maxillae together form the upper jawbone.
Each maxilla has alveoli for articulation with the teeth.
58
What facial bones form the inferior and medial portions of the eye orbit?
Maxilla
59
To what bone does the alveoli (alveolar process) belong?
maxilla
60
To what bone does the palatine process belong?
Maxilla
61
Describe the mandible
Facial bone
The lower jawbone.
Forms the only moveable joint of the skull.
Has alveoli for articulation with teef.
62
What bone do the mandibular condyles (condylar process) articulate with?
The temporal bone
63
To what bone does the ramus belong?
The mandible
64
To what bone does the condylar process (mandibular condyle belong?
The mandible
65
To what bone does the coronoid process belong?
The mandible
66
To what bone does the mental foramina belong?
The mandible
67
To what bone does the alveoli belong?
The mandible
68
Describe the zygomatic bones.
Facial Bones
2 Zygomatic Bones
Two zygomatic bones form the cheekbones and the lateral portion of the eye orbits.
69
To which bone does the temporal process belong?
Zygomatic bones
70
Describe the nasal bones
Facial Bones
2 Bones
Nasal bones form the superior portion of the bridge of the nose
71
Describe the lacrimal bones
Facial Bones
2 Bones
Together with the maxillae, the lacrimal bones contribute to the medial portion of each eye orbit
72
Describe the inferior nasal conchae
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
Describe the vomer
Facial Bone
1 Bone
Forms the inferior portion of the nasal septum
74
Describe the palatine bones
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
What seven bones make up the orbit of the eye?
```
Palatine
Sphenoid
Zygomatic
Maxilla
Frontal
Lacrimal
Ethmoid
(PSZMFLE)
```
76
What are the ossicles for the cranial ear bone?
Malleus
Incus
Stapes
77
What is the hyoid bone an attachment for?
The muscles that control the mandible, tongue, and larynx.
78
What are the articulations of the hyoid bone?
None
79
What are the regions of the vertebral column?
```
Cervical
Thoracic
Lumbar
Sacrum
Coccyx
```
80
How many cervical vertebrae are there?
7
81
How many thoracic vertebrae are there?
12
82
How many lumbar vertebrae are there?
5
83
How many curves does a fetal vertebral column have?
One
84
How many curves does an adult vertebral column have?
4
85
What is the C1 vertebrae called?
Atlas
86
What is the C2 vertebrae called?
Axis
87
Describe a cervical vertebrae?
Transverse foramen
| Bifurcated spinous process
88
Describe the thoracic vertebrae?
Facets and demi-facets
| Elongated spinous process
89
Describe the lumbar vertebrae
Large body
| Blunt spinous process
90
What are ribs 1-7 called?
True ribs
91
What are ribs 8-12 called?
False ribs
92
What are ribs 8-10 called?
vertebrochondral ribs
93
What are ribs 11-12 called?
floating ribs
94
What ribs are connected to the sternum?
1-7
95
Which ribs are connected to rib 7's cartilage?
8-10
96
The ______ of rib 1 articulates with the _________ of T1
Head
| Superior facet
97
The _______ of rib 6 articulates with the inferior demi-facet of _____
Head
| T6
98
The tubercle of rib 6 articulates with the ______ of _______
Transverse process
| T6
99
The head of ribs 10, 11, and 12 articulate with the _______ of vertebrae of _________
Facet
| 10, 11, 12
100
Which ribs have no tubercles?
11 and 12
101
Which ribs have full superior facets?
1, 10, 11, and 12
102
Which ribs have superior and inferior demi-facets?
2-8
103
Which rib only has a superior demi-facet?
9
104
Which rib has both a full superior and an inferior demi-facet?
1
