Boundaries of the thoracic cage Flashcards

1
Q

Which bones form the boundaries of the thoracic inlet?

A

1st rib
T1
Manubrium (sternal notch)

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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

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3
Q

Which ribs/costal cartilages form the costal margin?

A

8-10

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4
Q

Which ribs/costal cartilages form the subcostal angle?

A

7-10

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5
Q

Which costal cartilages are directly attached to the sternum?

A

1-7

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6
Q

Which costal cartilages are indirectly attached to the sternum?

A

8-10

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7
Q

Which muscle is primarily used for breathing in a newborn?

A

Diaphragm

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