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PTRS 710 Exam 1 > Thoracic Wall & Lung Cavities > Flashcards

Thoracic Wall & Lung Cavities Flashcards

1
Q

Ribs 1-7

A

Attach to sternum anteriorly

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2
Q

Ribs 8-10

A

False ribs

Costal cartilage

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3
Q

Ribs 11-12

A

Lack costal cartilage

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4
Q

Intercostal VAN

A

Groove on inferior shaft of rib

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5
Q

What do iliocostalis muscles do?

A

Prevent surgery when ribs break, just lateral to costal angle

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6
Q

Subclavian Vein & Artery

A

Run anteriorly and posterior to attachment of anterior scalene

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7
Q

Arterial TOS

A

Compression of subclavian artery

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8
Q

Neurogenic TOS

A

Inferior trunk of brachial plexus is elevated by cervical rib
C8 and T1 compressed leading to ulnar nerve paresthesia

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9
Q

Thoracic Aperture

A

Formed by T1, 1st rib and superior border of manubrium

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10
Q

Around 2nd rib

A

Angle of Lewis
Junction of manubrium and sternum
Bifurcation of trachea

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11
Q

Pectus excavatum

A

Shrunken sternum

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12
Q

Pectus carinatum

A

Ridge projects anteriorly

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13
Q

Premature sternal fusion

A

Increased incidence of heart defects

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14
Q

Sternal fistula

A

Holes in sternum

Congenital heart defects

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15
Q

Type of costovertebral joint

A

Synovial

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16
Q

Costotransverse joint

A

Allows rib rotation and sliding

17
Q

Type of sternocostal joint

A

Synovial

18
Q

Intercostal muscles

A

Keep intercostal space from bulging/collapsing during respiration

19
Q

External Intercostals

A

Run inferiorly and medially

Anteriorly

20
Q

Internal Intercostals

A

Run inferoposterioly

Posteriorly

21
Q

Innermost Intercostals

A

Run inferoposterioly

Anteriorly and posteriorly

22
Q

Intercostal Nerves

A

Ventral rami off T1-T11

23
Q

Intercostal VAN

A

Cranial to caudal

24
Q

Polythelia

A

Extra nipple

25
Q

Polymastia

A

Extra breast

26
Q

Diaphragm

A

Principal muscle of inspiration

Innervated by C3,4,5

27
Q

Diaphragm Openings

A

T8 - inferior vena cava
T10 - esophageal hiatus & vagal trunks
T12 - aortic hiatus, thoracic duct & azygous vein

PTRS 710 Exam 1 (7 decks)

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