The Thoracic Cage

Question 1

what is the thoracic cage

Answer 1

structure that surrounds and protects the heart, lungs, and some of the abdominal organs

Question 2

how many pairs of ribs

Answer 2

12

Question 3

what is the jugular/sternal notch?

Answer 3

the notch of the maubrium

Question 4

what are clavicular notches

Answer 4

articular facets of the sternal notch where the manubrium articulates with the clavicle

Question 5

the angle of louis is a landmark for what rib?

Answer 5

rib 2

Question 6

what is the angle of louis

Answer 6

the manubriosternal joint/sternal angle

Question 7

what are costal notches

Answer 7

structures along the side of the body of the sternum for the articulation of costal cartilage

Question 8

what is the xyphoid process

Answer 8

the thin process of the sternum inferior to the body

Question 9

which ribs are the “true” ribs

Answer 9

1-7

Question 10

which ribs are the false ribs

Answer 10

8-12

Question 11

which ribs have a direct connection with the sternum via their own costal cartilage?

Answer 11

the true ribs (1-7)

Question 12

which ribs have an indirect connection with the sternum

Answer 12

ribs 8-10

Question 13

which ribs are not attached anteriorly?

Answer 13

11 and 12

Question 14

how do the false ribs connect to the sternum

Answer 14

via the 7th rib costal cartilage

Question 15

what is the name for the ribs that are unattached anteriorly?

Answer 15

floating ribs

Question 16

which ribs are “typical”

Answer 16

2-10

Question 17

what characteristics make a typical rib

Answer 17

head, neck, tubercle, shaft

Question 18

what constitutes a typical rib head

Answer 18

rib structure with 2 facets (superior and inferior) that articulate with 2 vertebral bodies

Question 19

what is the neck of a rib

Answer 19

rib structure between the head and the tubercle

Question 20

what is a rib tubercule

Answer 20

articular facet that articulates with a TVP

Question 21

what portion of the rib has an angle and a costal groove for the costal nerve

Answer 21

shaft

Question 22

what is the longest rib

Answer 22

7

Question 23

which ribs are atypical

Answer 23

1, 11, 12

Question 24

which ribs articulate with only 1 vertebral body

Answer 24

the atypical ribs (1, 11, 12)

Question 25

how does a rib shaft project from the vertibrae

Answer 25

posteriorly, inferiorly, and laterally until it gets to the rib angle, then curves anteriorly

Question 26

what part of the rib marks the greatest change in its curvature

Answer 26

the rib angle

Question 27

what are the costal facets

Answer 27

structures on the vertebral bodies which articulate with the heads of ribs

Question 28

how are typical ribs numbered in relation to vertebral bodies?

Answer 28

superior costal facet articulates with the head of the rib of the same number

Question 29

the articular facet on the tubercle of a typical rib articulates with what on the corresponding vertebral body?

Answer 29

transverse costal facet

Question 30

how do the transverse costal facet-articular facet relationship correlate with typical rib/vertebra number

Answer 30

they are the same

Question 31

what is the scalene tubercle

Answer 31

structure of rib 1 where the anterior scalene muscle attaches

Question 32

the grooves for the subclavian artery and vein are located on which rib?

Answer 32

rib 1

Question 33

what are demi-facets

Answer 33

the facets on vertebral bodies with which typical ribs articulate

Question 34

what do atypical ribs articulate with on vertibrae?

Answer 34

complete facets

Question 35

what is the broadest and most curved rib?

Answer 35

rib 1

Question 36

what rib does not have a rib angle?

Answer 36

rib 1

Question 37

where is the groove for the subclavian vein and artery

Answer 37

rib 1

Question 38

structure for blood vessels on rib 1

Answer 38

groove for subclavian vein and artery

Question 39

what is thoracic outlet syndrome

Answer 39

compression of the subclavian artery, vein, and brachial plexus

Question 40

which ribs are floating ribs

Answer 40

11 and 12

Question 41

what rib so not articulate with a transverse process

Answer 41

11 and 12

Question 42

what is a landmark for rib 2

Answer 42

superior angle of the scapula

Question 43

what is the landmark for rib 3

Answer 43

root of the spine of the scapula

Question 44

what is a landmark for rib 7

Answer 44

the inferior angle of the scapula