Sternum and ribs

Question 1

What is the sternum commonly known as?

Answer 1

Breastbone

Question 2

What type of bone is the sternum?

Answer 2

Flat bone

Question 3

What part of the thorax is the sternum located in?

Answer 3

Middle of anterior thorax

Question 4

What are the parts of the sternum?

Answer 4

Manubrium of sternum

Body of sternum

Xiphoid process

Question 5

What is located between the different parts of the sternum in a child?

Answer 5

Cartilage

Question 6

What happens to the cartilage located between the different parts of the sternum in an adult?

Answer 6

It ossifies to bone

Question 7

What is the most superior part of the sternum?

Answer 7

Manubrium of sternum

Question 8

What shape is the manubrium of the sternum?

Answer 8

Trapezoid shape

Question 9

What is the shape of the superior border of the manubrium?

Answer 9

Concave depression

Question 10

What is the name of the concave depression in the superior border of the manubrium?

Answer 10

Jugular notch

Question 11

What is the shape of the superior border of the manubrium located laterally to the jugular notch?

Answer 11

Concave depressions

Question 12

What do the concave depressions located laterally to the jugular notch do?

Answer 12

Articulate with sternal facet of clavicle

Question 13

What is located on the lateral border of the manubrium?

Answer 13

Superiorly a facet

Inferiorly a demi facet

Question 14

What does the facet on the lateral border of the manubrium do?

Answer 14

Articulates with 1st costal cartilage

Question 15

What does the demifacet on the lateral border of the manubrium do?

Answer 15

Articulates with part of 2nd costal cartilage

Question 16

What is the inferior border of the manubrium do?

Answer 16

Articulates with superior border of body of sternum

Question 17

What is the name of the articulation between the manubrium and body of sternum?

Answer 17

Sternal angle

Question 18

What is located laterally to the sternal angle?

Answer 18

2nd costal cartilage

Question 19

What is the largest part of the sternum?

Answer 19

Body

Question 20

What is located on the lateral border of the body of the sternum?

Answer 20

Facets

Demifacets, superiorly and inferiorly

Question 21

What do the facets on the lateral border of the body of the sternum do?

Answer 21

Facets articulate with costal cartilages of ribs 3-6

Question 22

What do the demifacets on the lateral border of the sternum do?

Answer 22

Demifacets articulate with part of costal cartilages of ribs 2 and 7

Question 23

What shape is the body of the sternum?

Answer 23

Rectangular

Question 24

What does the inferior border of the body of the sternum do?

Answer 24

Articulates with xiphoid process of sternum

Question 25

What is the smallest part of the sternum?

Answer 25

Xiphoid process

Question 26

What is the most inferior part of the sternum?

Answer 26

Xiphoid process

Question 27

What spinal level is the xiphoid process located at?

Answer 27

T10 vertebrae

Question 28

What part of the bony thorax are the ribs located in?

Answer 28

Lateral walls

Question 29

How many ribs are there?

Answer 29

12

Question 30

What does a typical rib consist of?

Answer 30

Head Neck Body

Question 31

What is located on the head of the rib?

Answer 31

Superior articular facet Inferior articular facet

Question 32

What does the superior articular facet on the head of the rib articulate with?

Answer 32

Articulates with inferior demifacet of above vertebra

Question 33

What does the inferior articulate facet on the head of the rib articulate with?

Answer 33

Articulates with superior demi-facet of vertebra below

Question 34

What is the name of the joint between the articular facets on the head of the rib and the demifacets on the vertebrae?

Answer 34

Costovertebral joint

Question 35

What does the neck of the rib do?

Answer 35

Connects the head to the rest of the body

Question 36

What is located between the junction of the head and neck of the rib?

Answer 36

Tubercle | with facet

Question 37

What does the facet on the tubercle of the rib do?

Answer 37

Articulates with transverse process of corresponding vertebrae

Question 38

What is the name of the joint between the facet on the tubercle of the rib and the transverse process of the vertebra?

Answer 38

Costotransverse joint

Question 39

What is the body of the rib?

Answer 39

The flat but curved part of the rib

Question 40

What is located on the inferior surface of the rib?

Answer 40

Costal groove

Question 41

What is located in costal groove?

Answer 41

Neurovascular bundle

Question 42

What does the neurovascular bundle in the costal groove contain?

Answer 42

Intercostal artery, vein and nerve

Question 43

What do the costal cartilages of ribs 1-7 articulate with?

Answer 43

Sternum

Question 44

What do the costal cartilages of ribs 8-10 articulate with?

Answer 44

Join to costal cartilage of rib 7

Question 45

What do the costal cartilage of ribs 11-12 articulate with?

Answer 45

Nothing

Question 46

What are ribs 1-7 called? Why?

Answer 46

True ribs | Because their costal cartilage articulates with the sternum directly

Question 47

What are ribs 8-10 called? Why?

Answer 47

False ribs | Because their costal cartilage articulates with the costal cartilage of rib 7 and then the sternum indirectly

Question 48

What are ribs 11-12 called? Why?

Answer 48

Floating ribs | Because their costal cartilage doesn't articulate with anything

Question 49

How many openings of the thorax are there?

Answer 49

Two

Question 50

What are the openings of the thorax? How are they named?

Answer 50

Superior thoracic aperture Inferior thoracic aperture based on their positions

Question 51

What is the superior thoracic aperture adjacent to?

Answer 51

Neck

Question 52

What is the inferior thoracic aperture adjacent to?

Answer 52

Abdomen