Chest Wall

Question 1

Which bone assists in the formation of the thoracic cage in the protection of vital organs?

Answer 1

Sternum

Question 2

Which bone is classed as part of the appendicular skeleton?

Answer 2

Clavicle

Question 3

Name the 3 parts of the sternum from superior to inferior.

Answer 3

Manubrium, Body, Xiphoid Process

Question 4

Which bony feature of the sternum can be palpated and is useful to locate the attachment of the 2nd costal cartilage?

Answer 4

Sternal angle

Question 5

The xiphoid process marks the inferior extent of which organ, and must be avoided during CPR?

Answer 5

Heart

Question 6

What does the tubercle articulate with?

Answer 6

Transverse process of thoracic vertebra

Question 7

The sternal angle lies in an axial plane corresponding to the intervertebral disc between which two thoracic vertebrae?

Answer 7

T4 and T5

Question 8

Which ribs are classed as floating and why?

Answer 8

11 and 12, no cartilage that extends to anterior side of body

Question 9

During inspiration, in which direction do the ribs move?

Answer 9

Superiorly

Question 10

What do ribs 11 and 12 articulate with?

Answer 10

Thoracic vertebrae

Question 11

What is the landmark at the top of the manubrium?

Answer 11

Jugular notch

Question 12

What is the line down the sternum?

Answer 12

Midsternal line

Question 13

Why is the sternal angle a better landmark than the nipple?

Answer 13

Fat underneath the nipple can affect the location

Question 14

What is the xiphoid process a landmark for?

Answer 14

Inferior aspect of heart and superior aspect of liver

Question 15

Why is the costal margin useful?

Answer 15

Helps distinguish thoracic and abdominal regions

Question 16

Where is the nipple roughly located?

Answer 16

4th thoracic dermatome.

Question 17

What is the line running down from axillary?

Answer 17

Midaxillary line

Question 18

Which ribs are false and why?

Answer 18

8-10, no individual costal cartilage - they join with 7

Question 19

Name the part of sternum assoicated with articulation of clavicle.

Answer 19

Clavicular notch

Question 20

How many costal notches on sternum and why?

Answer 20

seven, 7,8,9,10 all share same costal cartilage

Question 21

What does the head of rib articulate with?

Answer 21

Thoracic vertebrae

Question 22

What does the upper and lower sides of head articulate with?

Answer 22

Upper - superiror vertebrae

Lower - inferior vertebrae

Question 23

What no. vertebrae does the head of rib 5 articulate with?

Answer 23

4 and 5

Question 24

What is the space that runs inferiorly on the rib?

Answer 24

Costal grove

Question 25

What runs through the costal grove?

Answer 25

Neurovasuclar bundle

Question 26

What is the name of the top opening of the thoracic cavity?

Answer 26

Superior thoracic aperture