Osteology And Arthrology Of The Anterior Thorax

Question 0

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

Answer 0

T3-T4

Question 1

What parts form the adult sternum?

Answer 1

Manubrium sterni, corpus sterni, xiphoid process

Question 2

What feature is present at the top of the manubrium sterni?

Answer 2

Jugular notch (suprasternal notch)

Question 3

What is the name given to the articular site at the superolateral margin of the manubrium sterni?

Answer 3

Clavicular notch

Question 4

What names are given to the articular sites for the joint with the first and second rib?

Answer 4

Costal notch I for the first rib cartilage; costal notch II for the second rib costal cartilage

Question 5

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

Answer 5

T5-T9

Question 6

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

Answer 6

Transverse lines

Question 7

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

Answer 7

Costal notches II-VII

Question 8

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

Answer 8

The superior costotransverse ligament

Question 9

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

Answer 9

The inferior costotransverse ligament

Question 10

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

Answer 10

The lateral costotransverse ligament

Question 11

What attaches to the costal angle of a rib?

Answer 11

The iliocostalis muscle and thoracolumbar aponeurosis/fascia

Question 12

What is present at the sternal end of the rib?

Answer 12

Costal cartilage

Question 13

What attaches to the scalene tubercle of the first rib?

Answer 13

The anterior scalene muscle

Question 14

What unique feature is present on the body (corpus of shaft) of the second rib?

Answer 14

The tuberosity for the serratus anterior

Question 15

What distinguishes the vertebral end of rib 11 from typical ribs?

Answer 15

The single articular surface, absense of a well-developed crest on the neck, and the tubercle may be absent or if present, consists of only a non-articular surface

Question 16

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

Answer 16

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

Question 17

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

Answer 17

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

Question 18

What are the classifications of ribs 8 and 9 in the typical adult skeleton? extra question for boards

Answer 18

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

Question 19

What are the classifications of rib 10 in the typical adult skeleton? extra question for boards

Answer 19

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

Question 20

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

Answer 20

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

Question 21

What is the joint classification of the costochondral joint?

Answer 21

Cartilaginous (amphiarthosis) synchondrosis

Question 22

What ligaments are present at the first sternocostal or sternochondral joint?

Answer 22

No ligaments are present

Question 23

What is the classification of the second-seventh sternocostal or sternochondral joint?

Answer 23

Synovial plane (diarthrosis arthrodia)

Question 24

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

Answer 24

The intra-articular ligament

Question 25

What is the classification of the sixth through the ninth interchondral joints?

Answer 25

Synovial plane (diarthrosis arthrodia)

Question 26

What is the classification of the fifth-sixth or ninth-tenth interchondral joint?

Answer 26

Fibrous (amphiarthrosis) syndesmosis