Day 11 (pg 186)

Question 1

How does rib 1 differ in ossification centers from typical ribs?

Answer 1

rib 1 has two secondary centers of ossification: one for the head and one for the tubercle; typical ribs have three secondary centers of ossification

Question 2

How does rib 10 differ in ossification centers from typical ribs?

Answer 2

rib 10 has two secondary centers of ossification: one for the head and one for the tubercle; typical ribs have three secondary centers of ossification

Question 3

How do ribs 11 and 12 differ in ossification centers from typical ribs?

Answer 3

ribs 11 and 12 do not have secondary centers of ossification

Question 4

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

Answer 4

the head, neck and tubercle

Question 5

What is unique about the body (corpus or shaft) of the first rib?

Answer 5

the body (corpus or shaft) of the first rib is flattened and has a scalene tubercle flanked by the groove for the subclavian artery and the groove for the subclavian vein

Question 6

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

Answer 6

the tuberosity for the serratus anterior

Question 7

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

Answer 7

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

Question 8

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

Answer 8

typical ribs, true ribs, costa verae, and vertebrosternal ribs

Question 9

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

Answer 9

atypical ribs, true ribs, costa verae, and vertebrosternal ribs

Question 10

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

Answer 10

typical ribs, false ribs, costa spuriae, and vertebrochondral ribs

Question 11

What are the classifications of rib 10 in the typical adult skeleton?

Answer 11

atypical rib, false rib, costa spuriae, and vertebrochondral rib

Question 12

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

Answer 12

atypical ribs, false ribs, costa spuriae, and vertebral ribs

Question 13

What is the joint classification of the costochondral joint?

Answer 13

cartilaginous (amphiarthrosis) synchondrosis

Question 14

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

Answer 14

fibrous (amphiarthrosis) syndesmosis

Question 15

What accessory ligaments are present at interchondral joints?

Answer 15

anterior and posterior interchondral ligaments

Question 16

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

Answer 16

the eleventh and twelfth coastal cartilages

Question 17

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

Answer 17

cartilaginous (amphiarthrosis) symphysis