thoracic cage Flashcards

1
Q

sternal angle at the level of

A

T4 t5 disc

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2
Q

ribs have what borders

A

smooth rounded superior border
thin sharp inferiro border

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3
Q

ribs articuate with what veretebra

A

with its own veretebra and teh one above it

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4
Q

wht are teh false ribs

A

8910

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5
Q

what are the true ribs

A

1-7

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6
Q

what are the floating ribs

A

11,12

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7
Q

what are tehtypical ribs

A

3-9

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8
Q

1st rib description

A

flat shortest andf broadest , scalene tubercle and grooves for subclabion artery and vein

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9
Q

2nd rib description

A

flat like 1st rib but longer

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10
Q

10th rib description

A

head has only one facet articulates with its own vertebra

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11
Q

11 and 12 rib description

A

one facet no neck no tubercle

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12
Q

rib fractures is most common in what ribs

A

5-10 middle

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13
Q

what is the weakest area on the rib

A

the angle

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14
Q

how many vertebra arethere

A

33

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15
Q

types of curvatures

A

primary nd secondary

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16
Q

primary curvature is during

A

fetal development concave anteriorly

17
Q

secondary curvature description

A

cervical curvuture supporting its own head ( concave posteriorly)lumbar curvature learning to walk and assume an upright posture

18
Q

atlas comunicates with the skull to form the

A

atlanto occipital joint

19
Q

atlas commuicates with axis to form the

A

atalnto axial joint

20
Q

charecteristics of atlas

A

no body , no spinous process , 2 lateral masses ,2 transverse formania antriro and posterior arches

21
Q

axis has what process

A

odontoid process

22
Q

iv discs parts

A

annulas fiborus fibrocartillage strengthens teh disc and protects teh central body

nucelu polposus gelantinous central core of the disc elastic more water shock absorber

23
Q

disc herniation

A

protursion of gelatinous nucleus polposus through the annulus fiborus of IV disc

24
Q

where is teh annulus fiboros thinner

A

posteolateral

25
95% of disc herniation is at
L4/L5 or L5/S1
26
cartiaginous joints
manurbiosternal ,xiphisternal , cc with ribs and 1st costal cartillage with manubrium
27
synovial jointscc
cc with sternum 2-7, head with vertebra costoveretebral, tubercel of ribs articulation costotransverse
28
boundaries of thoracic wall
superiorly suprapleural membrane, inferiorly diapghram, laterally ribs and intercostal spaces, anteriorly sternum and cc, posteriroly thoracic vertebra
29
thoracic outlet borders
anteriroly the superrior border of manubrium sterni posteriorly first thoracic vertebra laterally medial border of 1st rib and cc
30
contents of thoracic outlet
eso, trachea, vessels and nerves and apixes for the lungs and pleurae
31
what seperates teh pariteal pleurae from teh thoracic wall
endothoracic fasica