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120: > CHPT 7: vertebral column and rib cage > Flashcards

CHPT 7: vertebral column and rib cage Flashcards

1
Q

total number of bones in the vertebral column

A

26 bones

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2
Q

function of vertebral column

A
  • attachment site for muscles
  • transport weight of axial skeleton to appendicular skeleton of lower limbs
  • vertical support
  • help maintain the body weight
  • houses and protects spc and nerves and connect spc
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3
Q

which two bones fuse (not with each other) to form 1 bone

A
  • sacral to sacrum

- coccygeal to coccyx

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4
Q

structures within the thoracic vertebrae

A
  • spinous process
  • transverse process
  • lamina
  • pedicle
  • vertebral body
  • facet for head of rib
  • vertebral foramen
  • facet for superior articular process
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5
Q

which structure connects the lamina to the vertebral body

A

pedicle

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6
Q

which part of the thoracic vertebra is the weight baring structure

A

vertebral body

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7
Q

facet for head of rib is an attachment for

A

the below vertebra

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8
Q

vertebral foramen function

A
  • has the spc, bv, and nerves pass through.
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9
Q

which structure becomes the vertebral canal

A

vertebral foramen

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10
Q

which structure of the thoracic vertebra allows attachment for the above vertebral

A

facet of superior articular process

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11
Q

function of the spinous and transverse processes

A

attachment site of ligaments and muscles

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12
Q

does the thoracic vertebra have a transverse foramen

A

no

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13
Q

function of the lamina

A
  • separate pedicle and the vertebral arch

- separate transverse and spinous process

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14
Q

invertebrate formamen

A

-individual spinal nerves exit and innervate muscles

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15
Q

what are intervertebral discs made of

A

cartilage

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16
Q

name of C1 vertebrae

A

atlas

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17
Q

which vertebrae has no spinous process and body

A

atlas aka c1

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18
Q

what does the transverse process have in the atlas/ c1

A

transverse formamen

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19
Q

which cerebral vertebrae has a wider vertebral foramen

A

c1/ atlas

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20
Q

what cerebral vertebrae has a fork/ blind spinous process

A

c3 to c7

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21
Q

c3-c7 are

A

very similar

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22
Q

which vertebrae region has a bigger transverse Forman then thoracic

A

c1/atlas `

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23
Q

what structure on the c1/ atlas articulate with occipital condyle and firm the atlanto- occipital joint

A

superior articular facet

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24
Q

where does the skull rest on atlas/ c1?

A

lateral mass

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25
axis aka
c2, cerebral vertebrae
26
where is the vertebrae Foramen rounded
axis
27
location of dens
on c2/ axis
28
what fits into the anterior arc of the atlas/ c1
dens
29
function dens
joins c1/ atlas and c2/axis
30
what causes whiplash?
dens going into the medulla
31
what surface of the c2/ axis articulates with the c1/ atlas superiorly?
superior articular facet
32
what does the thoracic vertebrae lack?
thoracic formina
33
which vertebrae is larger and stronger than cervical vertebrae
thoracic vertebrae
34
which thoracic vertebrae don't articulate with ribs
T11 and T12
35
in which vertebrae is the spinous process longer
thoracic vertebrae
36
the transverse process is ___ in thoracic vertebrae
thicker
37
size of vertebrall Formania in thoracic vertebrae
small
38
function of the vertebrae body in thoracic vertebrae
part of the rib attaches here
39
which vertebrae is the largest and the stronger of the unfused vertebrae
lumbar vertebrae
40
what does the lumbar vertebrae lack
- costal articular faces | - transverse formina
41
which vertebrae has a smaller more oval shaped vertebral foramen
lumbar vertebrae
42
the spinous and transverse process are ___ in lumbar vertebrae
thinner and smoother
43
anterior muscles of the neck that move the head
- strernoclediomastiod | - scalene muscles
44
function of strernoclediomastiod
flex
45
origin of strernoclediomastiod
manubrium and clavicle
46
insertion of strernoclediomastiod
mastoid process of temporal and nuchal line of occipital
47
what anterior muscles of the neck that move the head elevates the ribs
- scalene muscles
48
transverse process of ribs 2-7 is the ___ of scalene muscles
origin
49
1rst and 2nd ribs are the ___ of scalene muscles
insertion
50
posterior muscles of the neck that move the head elevates the ribs names
- splenius cervicis - splenius capitis - erector spinae
51
flow of blood through the head and neck
heart -> brachiocephalic -> common carotid -> external carotid and internal carotid
52
what does the external carotid supply blood do?
- superior thyroid -occipital -temporal -lingual -maxillary and facial arteries and head and neck regions
53
what does the inter carotid supply blood to
- head and neck region
54
blood flow to the cranium
heart -> bracicephalic -> subclavian -> vertebral -> basilar -> cereal arteries -> communicating arteries
55
location of communicating arteries
- circle of willis (around pg)
56
what bones make up the sternum aka breast bone
- manibrium - body - xiphoid process
57
which parts of the sternum articulate with the costal cartilages of ribs
- manibrium | - body
58
total number of ribs
12
59
number of true ribs
7
60
why are true ribs called true ribs
directly attached to the sternum
61
which ribs are not directly attached to the sternum
8-10 aka false ribs
62
total number of false ribs
-5
63
floating ribs have
no attachment to sternum | -11-12
64
structures of ribs
- superior facet - inferior facet - facet for costal cartilage - tubercle, articular facet, costal angle, costal groove
65
what structures merge to form ribs 1-10
- tubercle, articular facet, costal angle, costal groove
66
what structure of the rib articulates with costal cartilages
facet for costal cartilage
67
superior facet of ribs articulates with
transverse process
68
what rib structure articulates with body of the vertebrae
inferior facet
69
function of the thoracic rib cage
- provides support to upper rib bones - plays a role in breathing - has visceral organs (heart, lungs, spleen)
70
diaphragm and external intercostacal muscles are
muscles of inspiration/ normal breathing
71
accessory inspiration muscles are
deep breathing muscles | - scm and scalene
72
diaphragm and internal intercostacal muscles are
muscles of expiration
73
function of abdominal muscles
- force air out | - accessory expiration muscles
74
nerves in the cervical plexus function
nervous supply to thoracic region
75
nerves in the cervical plexus names
- ansa cervicali (ant and post roots) - phrenic nerve - segmnetla branch
76
phrenic nerve innervates
diaphragm
77
which cervical nerve innervates infrahyoid and geniohyoid muscles
ansa cervicali ant
78
ansa cervicali post innervates
infrahyoid muscles
79
segmental branch innervates
- deep muscles of neck - levator scapule - scalene muscles

120: (15 decks)

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