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CRRAB I - Week 1 > Anterior Thorax > Flashcards

Anterior Thorax Flashcards

0
Q

Which ribs are “False ribs”

A

8-12

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1
Q

Which ribs are “True ribs”?

A

1-7

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2
Q

Which ribs are the “Floating ribs”?

A

13, 14

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3
Q

What type of joint is the costovertebral joint?

A

Plane synovial joint

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4
Q

What type of joint is the costotransverse joint?

A

plane synovial joint

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5
Q

What are the boundaries of the superior thoracic aperture/thoracic outlet?

A

T1, Rib 1, manubrium

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6
Q

What structures pass through the thoracic outlet?

A

Brachial plexus, subclavian vessels

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7
Q

What are the boundaries of the inferior thoracic aperture?

A

Body of T12, costal margin, xiphoid process

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8
Q

What rib connects at the sternal angle?

A

Rib 2 connects here

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9
Q

What important landmarks are behind the sternal angle?

A

Bifurcation of trachea
Aortic arch
Superior border of pulmonary trunk

SVC enters pericardium
2nd intercostal space

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10
Q

What is the most common fracture point of the ribs?

A

Angle

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11
Q

Intercostal veins, arteries, and nerves rest in what rib structure?

A

Costal groove

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12
Q

What does the rib’s tubercle articulate with?

A

Transverse process of vertebrae

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13
Q

What two vertebrae does rib 8 articulate with?

A

T7 and T8

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14
Q

Hands in the pockets represent the striation of which intercostal muscle group?

A

External intercostals

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15
Q

Arms crossed on shoulders represent striations of which intercostal muscle group?

A

Internal intercostals

16
Q

What is the role of external intercostals?

A

Elevate inferior rib for forced inspiration

17
Q

What is the role of internal intercostal muscles?

A

Depress ribs during forced expiration

18
Q

What do the internal intercostals become as you proceed posteriorly across the thoracic cavity?

A

Internal intercostal membrane

19
Q

What is the role of the innermost intercostals?

A

Same as internal intercostals

20
Q

What artery runs adjacent to the sternum and supplies the intercostal space with blood vessel branches?

A

Internal thoracic artery

21
Q

What is the internal thoracic artery a branch of?

A

Subclavian artery

22
Q

What does the interior thoracic artery branch bifurcate into?

A

Superior epigastric artery and musculophrenic artery

23
Q

Which nerves supply the abdominal muscles?

A

T7-12

CRRAB I - Week 1 (8 decks)

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