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Anatomy Test Three > Thoracic Wall > Flashcards

Thoracic Wall Flashcards

1
Q

Superior boundary of the thorax?

A

First thoracic vertebra
First pair of ribs and costal cartilages
Manubrium

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2
Q

Inferior boundary?

A

Twelfth thoracic vertebra
12th par of ribs and costal cartilages
xipihisternal joint
Larger of the two

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3
Q

What dermatome level does the xiphoid process mark?

A

Dermatome 6

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4
Q

What type of ribs are 1-7?

A

Vertebrosternal

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5
Q

What type of ribs are 8-10?

A

Vertebrochondral

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6
Q

What kind of ribs are 11 and 12?

A

Vertebral (floating)

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7
Q

Where does the tubercle articulate?

A

transverse process of vertebra with same number

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8
Q

Where does the head of the rib articulate?

A

Costal demifacets on adjacent thoracic vertebrae

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9
Q

What plane is the first rib in?

A

Transverse plane, others are in coronal plane

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10
Q

Where can superior and inferior costal demifacets be found?

A

TV 2-9

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11
Q

First spinous process to be palpated?

A

C7

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12
Q

Most prominent spinous process?

A

T1

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13
Q

Describe the atypical vertebra.

A

T1 has a superior costal facet not demifacet
T10 has one pair of costal facets part on body and part on pedicle
T11 and T12 have one pair of costal facets on pedicles

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14
Q

Describe typical rib articulation.

A

Heads articulate with demifacets of own number vertebra and the vertebra above and the intervertebral disc in between. The tubercle articulates with the transverse process of the same number verterbra.

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15
Q

How does the transverse process arise?

A

From vertebra at the intersection lamina and pedicle

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16
Q

Articular facets of TV are in ____ Plane.

A

Transverse

17
Q

Sternal angle is marked by ___.

A

rib two

18
Q

Where is apex heart beat heard?

A

fitfth intercostal space along midclavicular line

19
Q

Where is aortic valve heard?

A

Second intercostal space on right side of sternum

20
Q

Where is pulmonary valve heard?

A

Second intercostal space along left side of sternum

21
Q

Where is tricuspid heard?

A

fifth intercostal space right side of sternum

22
Q

Where is bicuspid heard?

A

Fifth intercostal space 10 cm to left of sternal line

23
Q

What level of the rib can you find scapular angle?

A

7th

24
Q

What vein drains the pectoral region?

A

axillary

25
Q

What muscle would be pierced first if you were stabbed on the anterior side to the left of the sternum?

A

Internal intercostal

26
Q

Where do external intercostals originate from?

A

extend from vertebrae posteriorly to junction of ribs and intercostal cartilages

27
Q

Where do internal intercostals begin?

A

lateral edge of sternum and extend toward vertebral column

28
Q

Where does the transversus thoracis originate?

A

inferior sternum and extends superolaterally to internal surface of upper ribs

29
Q

What are the contents of the intercostal space?

A

Superior to inferior intercostal vein, intercostal arteries (posterior and anterior), Intercostal nerve

30
Q

Where is the intercostal nerve derived from?

A

Ventral ramus of spinal nerve

31
Q

What is the retromammary space?

A

potential space between breast and pectoral fascia

32
Q

What is the sinus mammarumis?

A

space between two glands

33
Q

What attaches the mammary gland to the dermis?

A

Coopers ligament

34
Q

What is the Fibrous tela subcutanea?

A

CT surrounding entire gland

35
Q

Fatty Tela subcutanea?

A

Adipose tissue deep to fibrous layer

36
Q

Suspensory ligament of cooper?

A

bundles of collagen fibers in dermis and hypodermis

37
Q

What is the arterial supply to the breast?

A

Anterior perforating arteries(internal thoracic)

Lateral thoracic artery

38
Q

Where does 75% of lymph from breast go?

A

Axillary lymph nodes (pectoral, central, apical)

39
Q

What is the innervation to the breast?

A

Lateral mammary
Intercostal nerves
Medial mammary nerve
Supraclavicular nerve

Anatomy Test Three (10 decks)

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