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Spinal > Exam 3: Anterior Thorax > Flashcards

Exam 3: Anterior Thorax Flashcards

1
Q

Vertebral levels that correspond to the position of the manubrium sterni

A

T3-T4

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2
Q

Participants in the sternoclavicular joint

A

Clavicle, manubrium sterni, costal cartilage of the first rib

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3
Q

Vertebral levels that correspond to the position of the corpus sterni

A

T5-T9

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4
Q

Number of sternabrae from the corpus sterni

A

4 sternabrae

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5
Q

Ribs that join with corpus sterni via costal cartilage

A

Ribs 2-7

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6
Q

Feature of the corpus sterni that is present in 4-7% of the population

A

Sternal foramen

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7
Q

Causes of sternal foramen

A

Failure of the ossification centers of the sternum to fuse together normally

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8
Q

What are the classifications of ribs 1 and 2 in typical adult

A

Atypical
True ribs
Costa verae
Vertebrosternal

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9
Q

Classifications of ribs 8 and 9 in typical adult

A

Typical
False
Costa spuriae
Vertebrochondral

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10
Q

Classifications of rib 10 in typical adult

A

Atypical
False
Costa spuriae
Vertebrochondral

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11
Q

Classifications of ribs 11 or 12 in typical adult

A

Atypical
False
Costa spuriae
Vertebral (floating)

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12
Q

Joint surfaces of costochondral joint

A

Costal cartilage w/ sternal end of each rib

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13
Q

Joint classification of costochondral joint

A

Cartilaginous synchondrosis

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14
Q

Joint classification given to joint between sternum, clavicle and 1st rib

A

Synovial saddle joint

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15
Q

What ribs participate in sternocostal or sternochondral joint

A

Rib 1-7

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16
Q

Classic classification of 1st sternocostal or sternochondral joint

A

Cartilaginous synchondrosis

17
Q

NEWER classification of first sternocostal or sternochondral joint

A

Cartilaginous symphysis

18
Q

Classification of 2nd-7th sternocostal or sternochondral joint

A

Synovial plane

19
Q

Joint surfaces of 2nd sternocostal/sternochondral joint

A

Costal cartilage of 2nd rib w/ costal notch II or manubrium, costal notch I of corpus and manubrium symphysis

20
Q

Joint surfaces of 3-7th sternocostal/chondral joint

A

Costal cartilage of ribs 3-7 w/ costal notch III-VII of corpus sterni

21
Q

Classification of 6th-9th interchondral joints

A

Synovial jplane

22
Q

Classification of 5-6 or 9-10 interchondral joint

A

Fibrous syndesmosis

23
Q

Costal cartilages fail to form a joint at sternal end

A

11th and 12th costal cartilages

24
Q

What forms manubriosternal joint

A

Fibrocartilage layer attaches manubrium to corpus sterni

25
Q

What sternal joint will ossify by age 40

A

Joint between corpus sterni and xiphoid process

26
Q

What is name given to segments of sternum

A

Sternabrae

27
Q

How many primary centers of ossification appear in manubrium

A

1-3 centers

28
Q

How many primary centers of ossification appear in corpus sterni

A

Typically 6

29
Q

Locations of primary centers of ossification in corpus sterni

A

One in each of first two sternabrae

Bilateral centers in last two sternabrae

30
Q

Primary centers of ossification for sternum first appear at what age

A

5th fetal month

31
Q

What part of sternum will a secondary center of ossification appear

A

Xiphoid process

32
Q

When does xiphoid process first demonstrate a center of oss

A

Sometime during or after 3 years old

33
Q

When will synchondroses between sternabrae begin to ossify

A

During puberty

34
Q

In what part of rib will primary centers of oss appear

A

The body

35
Q

In what parts of rib will secondary centers of oss appear

A

Head, articular surface and non-articular surface of tubercle

36
Q

Which ribs will demonstrate primary centers of oss for the body

A

All ribs

37
Q

Which ribs lack secondary centers of oss

A

11 and 12

38
Q

How does rib 1 differ in ossification centers from typical ribs

A

Rib 1 has 2 secondary centers: head and tubercle

Typical have 3 secondary

39
Q

How does rib 10 differ in ossification centers from typical ribs

A

Rib 10 has 2 secondary centers: head and tubercle

Spinal (27 decks)

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