Osteology Of The Anterior Thorax

Question 1

What vertebral levels correspond to the position of the manubrium sterni?

Answer 1

T3-T4

Question 2

Which ribs will articulate with the manubrium sterni?

Answer 2

The first and second ribs

Question 3

What separates the manubrium sterni and corpus sterni?

Answer 3

The manubrisoternal symphysis

Question 4

What vertebral levels correspond to the position of the corpus sterni?

Answer 4

T5-T9

Question 5

How many sternabrae form the corpus sterni?

Answer 5

4

Question 6

What surface feature on the corpus sterni IDes the location of the synchondroses?

Answer 6

Transverse lines

Question 7

What articular sites for the costal cartilage of ribs will be IDed on the corpus sterni?

Answer 7

Costal notches II-VI

Question 8

What feature of the corpus sterni is present is present in 4-7%of the population?

Answer 8

A sternal Foramen

Question 9

What are the primary parts of the vertebral end of a typical rib?

Answer 9

The head, neck and tubercle

Question 10

What features may be IDed on the neck of a typical rib?

Answer 10

The crest of the rib

Question 11

What attaches to the crest of the neck of the rib?

Answer 11

The superior costotransverse ligamnet

Question 12

What attaches beneath the crest of the neck of the rib?

Answer 12

The inferior costotransverse ligament

Question 13

What features may be IDed on the tubercle of a typical rib?

Answer 13

The articular surface of the tubercle and the non-articular surface of the tubercle

Question 14

What joints with the articular surface of the tubercle of the rib?

Answer 14

The transverse costal facet of a thoracic transverse tubercle

Question 15

What attaches to the non-articular surface of the tubercle of a rib?

Answer 15

The lateral costotransverse ligament

Question 16

What features may be IDed on the body (corpus or shaft) of a typical rib?

Answer 16

The costal angle and costal groove

Question 17

What attaches to the costal angle of a rib?

Answer 17

The Iliocostalis muscle and thoracolumbar aponeurosis/fascia

Question 18

What is unique about he Boyd of the first rib?

Answer 18

The Boyd of the first rib if flattened and has a scalene tubercle flanked by the groove for the subclavian artery and vein

Question 19

What attaches to the scalene tubercle of the first rib?

Answer 19

The anterior scalene muscle

Question 20

Which groove on the body of the first rib is close to the vertebral end?

Answer 20

The groove for the subclavian artery and 1st thoracic nerve

Question 21

Which groove on the body o fat e1st rib is close to the sternal end?

Answer 21

The groove for the subclavian vein

Question 22

Is either the costal angle or groove apparent on the first rib?

Answer 22

No

Question 23

What does the superior articular surface on the head of the second rib joint with?

Answer 23

The inferior costal semi facet of T1

Question 24

What does the interarticular ligament of the head of the second rib joint with?

Answer 24

The interarticular crest on the head of the second rib and the intervertebral disc between T1 and T2

Question 25

What specifically will attach to the crest of the neck of the second rib?

Answer 25

The superior costotransverse ligament form the transverse process of T1a

Question 26

What specifically attaches to the back of the neck of the second rib?

Answer 26

The inferior costotransverse ligament form the transverse process of T2

Question 27

What specifically attaches to the non-articular surface of the tubercle of the second rib?

Answer 27

The lateral costotransverse ligament from the transverse tubercle of T2

Question 28

What unique feature is present on the body of the second rib?

Answer 28

The tuberosity for the Serratus anterior

Question 29

How is the vertebral end of ribs 10, 11 and 12 similar to that of the first rib?

Answer 29

All have a single articular surface on the head for the costotransverse joint

Question 30

What features are IDed on the body of rib 10?

Answer 30

The costal angle and the costal groove

Question 31

What features may be present on the body of the 11th rib?

Answer 31

The costal angle and costal groove are under-developed

Question 32

What is the condition of the body of rib 12?

Answer 32

The costal angle and groove are absent and it is the shortest rib

Question 33

What classifications are given to ribs articulating with the sternum in the typical adult skeletons?

Answer 33

True ribs, costa verae, vertebrosternal ribs

Question 34

What are the classifications of ribs 3-7 in the typical adult skeleton?

Answer 34

Typical ribs, true ribs, costa verae, and vertebrosternal ribs

Question 35

What are the classifications of ribs 1 and 2 in the typical adult skeleton?

Answer 35

Atypical ribs, true ribs, costa verae, and vertebrosternal ribs

Question 36

What are the classifications of ribs 8 and 9 in the typical adult skeleton?

Answer 36

Typical ribs, false ribs, costa spuriae, and vertebrochondral ribs

Question 37

What are the classification for rib 10 in the typical adult skeleton?

Answer 37

Atypical rib, false rib, costa spuriae, and vertebrochondral rib

Question 38

What are the classifications of ribs 11 and 12 in the typical adult skeleton?

Answer 38

Atypical ribs, false ribs, costa spuriae, and vertebral ribs

Question 39

What are the characteristics of the (amphiarthrosis) synchondrosis?

Answer 39

They are primary cartilage joints, temporary in longevity, composed of hyaline cartilage and form between ossification centers within a cartilage within a cartilage template

Question 40

What are examples of a permanent (amphiarthrosis) synchondrosis?

Answer 40

Costochondral joints or the first sternochondral joint

Question 41

What are the characteristics of a (amphiarthrosis) symphysis?

Answer 41

Limited motion, median plane location, support ligaments both anterior and posterior to the joint, more permanent in longevity than synchondrosis and they occur between bones developing by endochondral ossification

Question 42

Which ribs demonstrate costochondral joints?

Answer 42

All

Question 43

What are the joint surfaces of the costochondral joint?

Answer 43

The costal cartilage with the sternal end of each rib

Question 44

What is the joint classification of the costochondral joint?

Answer 44

Cartilaginous (amphiarthrosis) synchondrosis

Question 45

What is the sternocostal or sternochondral joint?

Answer 45

The joint between the costal cartilage and the costal notches of hot sternum

Question 46

What ribs will participate in the sternocostal or sternochondral joint?

Answer 46

Ribs 1-7

Question 47

What is the classification of the first sternocostal or sternochondral joint?

Answer 47

Cartilaginous (amphiarthrosis) synchondrosis

Question 48

What is the classification of the 2nd-7th sternocostal joints?

Answer 48

Synovial plane (diarthrosis arthrodia)

Question 49

Wha are the joint surfaces of the second sternocostal joint?

Answer 49

The costal cartilage of the 2nd rib with the costal notch II of the manubrium sterni, costal notch II of the corpus sterni and the manubrium symphysis

Question 50

Which of the sternocostal or sternochondral ligaments is unique to the second sternocostal joint?

Answer 50

The intra-articular ligament

Question 51

What is the classification of the 6th-9th interchondral joints?

Answer 51

Synovial plane (diarthrosis arthrodia)

Question 52

What is the classification of the 5/6 or 9/10 interchondral joint?

Answer 52

Fibrous (amphiarthrosis) syndesmosis

Question 53

Which costal cartilages fail to form a joint at their sternal end?

Answer 53

The 11th and 12th costal cartilages

Question 54

In the developing sternum, what joint classification is present between the manubrium, corpus, and xiphoid process?

Answer 54

Cartilaginous (amphiarthrosis) symphysis