Anatomy #2

Question 1

What does the thorax consist of?

Answer 1

12 Thoracic Vertebrae (and their IVDs) 
12 Pairs of ribs 
the sternum
-manubrium 
-body
-xiphoid process

Question 2

Where do all the ribs articulate with posteriorly?

Answer 2

Vertebral column

Question 3

What are sternabrae?

Answer 3

Sternabrae are the four plates of the sternum.

Begin fusing from teens to about 25

Question 4

What is the most superior portion of the sternum?

Answer 4

Manubrium

Question 5

What is located between the articular facets of clavicular notch where the manubrium attaches to the clavicle?

Answer 5

Jugular notch

Question 6

What is the land mark for the second rib?

Answer 6

Sternal Angle

Question 7

What is the joint called that connects the manubrium to the rest of the sternum and what is it’s aka?

Answer 7

manubriosternal joint (sternal angle) 
AKA Angle of Louis

Question 8

What articulates along the side of the body of the sternum?

Answer 8

Costal notches for the articulation with costal cartilage

Question 9

What is the thin process inferior to the body of the sternum?

Answer 9

Xiphoid

Question 10

At what age does the xiphoid fuse with the rest of the sternum and what is it like at birth?

Answer 10

40

Cartilagenous at birth

Question 11

What is the aka for the body of the sternum?

Answer 11

Gladiolus

Question 12

Which ribs are known as true ribs?

Answer 12

The first 7 ribs are know as true ribs

Question 13

Which ribs are known as the false ribs?

Answer 13

Ribs 8-12

Question 14

Which ribs have a direct connection the sternum?

Answer 14

The true ribs or first 7

Question 15

Which ribs are known as the floating ribs?

Answer 15

11 and 12

Question 16

Which ribs are considered typical ribs?

Answer 16

2-10 ribs

Question 17

What are the characteristics of a typical rib?

Answer 17

Head, Neck, Tubercle and shaft

Question 18

Which rib is the longest rib?

Answer 18

Rib 7

Question 19

What does the head of a typical rib consist of?

Answer 19

An superior and inferior facet

Question 20

How many vertebral bodies does the head of a typical rib articulate with?

Answer 20

2

Question 21

Where is the neck located on a typical rib?

Answer 21

Between the head and the tubercle

Question 22

What does the tubercle of a typical rib articulate with?

Answer 22

Articulates with the transverse process of the vertebrae

Question 23

Where is the costal groove located on a typical rib and what passes through it?

Answer 23

It is located on the shaft and the costal nerves pass through

Question 24

What does the superior costal facet on the vertebral body articulate with?

Answer 24

Articulates with the head of the rib of the same number

Question 25

What does the inferior costal facet on the vertebral body articulate with?

Answer 25

articulates with the head of the inferior rib

Question 26

What does the transverse costal facet on the vertebral body articulate with?

Answer 26

Articulate with the tubercle of the rib of the same number.

Question 27

What ribs are known as "atypical"?

Answer 27

Ribs: 1, 11, 12

Question 28

Which rib is the shortest, broadest and the most curvature of the true ribs?

Answer 28

Rib 1

Question 29

What is the difference between Rib 1 and ribs 11-12?

Answer 29

Rib 1 has TVP and Ribs 11-12 do not

Question 30

What makes Rib 1 Atypical?

Answer 30

Scalene tubercle/ grooves for the subclavian artery and vein.

Question 31

What makes Ribs 11-12 Atypical?

Answer 31

floating ribs/ small facet on the head of the rib/ no neck or tubercle

Question 32

What does a typical vertebral body consist of?

Answer 32

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