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RADT 252 - Radiographic Procedures III > Bony Thorax > Flashcards

Bony Thorax Flashcards

1
Q

How many pairs of ribs in the bony thorax?

A

12 pairs

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2
Q

What forms the bony thorax?

A

12 pairs of ribs, 12 thoracic vertebrae, and the sternum

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3
Q

Length of the sternum

A

6 inches

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4
Q

Three parts of the sternum

A

Manubrium, body, xiphoid process

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5
Q

Where does the sternum support the clavicles?

A

Superior manubrial angles

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6
Q

How many pairs of ribs connect to the sternum?

A

7

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7
Q

What does the jugular notch align with posteriorly in the upright position?

A

T2-T3

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8
Q

What lies posterior to the xiphoid process?

A

T10

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9
Q

Which ribs are considered the true ribs?

A

The first seven ribs

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10
Q

Which are false ribs and why?

A

8 to 12 because they do not attach directly to the sternum

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11
Q

What are the spaces between the ribs called?

A

Intercostal spaces

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12
Q

Which are the floating ribs and why?

A

Last 2 ribs because they only connect to the vertebrae

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13
Q

Where does the costal cartilage of ribs 8-10 connect to?

A

The costal cartilage of the 7th rib

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14
Q

What joints are the only points of articulation between the upper limbs at the trunk?

A

Sternoclavicular joints

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15
Q

Which ribs articulate with only 1 vertebral body?

A

First, tenth, eleventh, twelfth

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16
Q

How does respiratory movement change obliquity of ribs?

A

Degree of obliquity decreases with inspiration, and increases with expiration

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17
Q

Shape of ribs anterior vs posterior

A

Posterior ribs arch up like rainbow , anterior ribs arch down like happy face

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18
Q

SID for sternum

A

40 in

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19
Q

Centering for RAO sternum

A

T7, 1 in to upside

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20
Q

Arm position lateral sternum

A

Behind back

21
Q

SID lateral sternum

A

72 in

22
Q

Breathing instructions lateral sternum

A

Suspend after inspiration

23
Q

Centering for SC joints

A

Msp, jugular notch

24
Q

Degree of body rotation oblique SC joints

A

10-15

25
Q

Centering for oblique SC joints

A

T3, 2 in to upside

26
Q

Rib oblique positioning

A

45 degrees, AP oblique downside is of interest, PA oblique upside is of interest

27
Q

Degree of obliquity sternum RAO

A

15-20

28
Q

CR RAO sternum

A

Midway between jugular notch and xiphoid process, 1 inch to the upside from msp

29
Q

CR lateral sternum

A

Midway between jugular notch and xiphoid process, lateral border of midsternum

30
Q

SC joints CR

A

PA, 3 in distal to vertebral prominence of level of jugular notch

31
Q

SC joints breathing

A

End of expiration

32
Q

Collimation SC joints

A

6x8 crosswise

33
Q

SID SC joints

A

40 in

34
Q

SC joint oblique

A

10-15 degrees, affected side against board (PA)

35
Q

what type of bone is the sternum

A

flat bone

36
Q

where does the sternum support the clavicles?

A

manubrial angles, forming sternoclavicular joints

37
Q

where does the jugular notch lie?

A

T2-T3 interspace

38
Q

length of sternum body

A

4 inches

39
Q

where does the sternal angle lie?

A

T4-T5 interspace

40
Q

where does xiphoid process lie?

A

over T10

41
Q

typical rib consists of which parts

A

head, neck, tubercle, body

42
Q

what do the heads of the ribs articulate with?

A

vertebral bodies at the costovertebral joints

43
Q

what do the tubercles of the ribs articulate with?

A

thoracic spine transverse processes, forming costotransverse joints

44
Q

SID for oblique sternum

A

30 SID

45
Q

SID for lateral sternum

A

72 in SID

46
Q

RAO sternum patient rotation

A

15 - 20 degrees recumbent

47
Q

IR placement RAO sternum

A

1.5 in of light above jugular notch, centered at T7

48
Q

CR oblique sternum

A

T7, 1 inch lateral to MSP

49
Q

breathing instructions oblique sternum

A

slow, shallow breaths

RADT 252 - Radiographic Procedures III (7 decks)

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