Boundaries of the thoracic cage Flashcards
1
Q
Which bones form the boundaries of the thoracic inlet?
A
1st rib
T1
Manubrium (sternal notch)
2
Q
Which bones/costal cartilages form the boundaries of the thoracic outlet?
A
Xiphoid process
Costal margin (cartilage)
Point of 11th and 12th ribs
12th vertebrae
3
Q
Which ribs/costal cartilages form the costal margin?
A
8-10
4
Q
Which ribs/costal cartilages form the subcostal angle?
A
7-10
5
Q
Which costal cartilages are directly attached to the sternum?
A
1-7
6
Q
Which costal cartilages are indirectly attached to the sternum?
A
8-10
7
Q
Which muscle is primarily used for breathing in a newborn?
A
Diaphragm
