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Radiology 122 > Study Guide Bony Thorax > Flashcards

Study Guide Bony Thorax Flashcards

(75 cards)

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1
Q

What does the bony thorax support?

A

Walls of pleural cavity and diaphragm

Protects heart and lungs

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2
Q

The bony thorax is formed by?

A

Sternum, 12 pairs of ribs, 12 thoracic vertebrae

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3
Q

What is conical in shape, narrower above then below and more wide than deep?

A

Bony thorax

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4
Q

What is directed anteriorly and inferiority and is centered over the midline if the anterior thorax?

A

Sternum or breastbone

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5
Q

Narrow flat bone about 6 inches is?

A

Sternum

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6
Q

The sternum consist of what 3 parts?

A

Manubrium
Body
Xiphoid process

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7
Q

The sternum supports?

A

The clavicles and provides attachment to the costal cartilages of the first 7 pairs of ribs

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8
Q

The superior portion of the sternum and is the widest portion is?

A

Manubrium

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9
Q

An easily palpable concavity on the superior border if the manubrium is?

A

Jugular notch

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10
Q

An oval articular facet that articulates with the sternum extremity of the clavicle is?

A

Clavicular notch

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11
Q

What is the longest part of the sternum?

A

Body

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12
Q

The body of the sternum is joined to the manubrium at the 2nd costal cartilage by?

A

Sternal angle

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13
Q

The manubrium and the body contribute to?

A

Attachment of the 2nd costal cartilage

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14
Q

The distal and smallest part of the sternum that lies over T10?

A

Xiphoid process

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15
Q

The xiphoid process is a useful bony landmark to help locate?

A

Superior portion of the liver

Inferior border of the heart

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16
Q

How many pairs of ribs are there?

A

12

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17
Q

What is a long, narrow, curved bone with an anteriorly attached piece of hyaline cartilage “costal cartilage”?

A

Rib

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18
Q

What ribs are true ribs? Why?

A

1-7

Because they attached directly to the sternum

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19
Q

What ribs are false ribs? Why?

A

8-12 because they do not attached directly to the sternum

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20
Q

What ribs are floating ribs? Why?

A

11-12

Because they are attached only to the vertebrae

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21
Q

What ribs are both floating and false ribs?

A

11-12

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22
Q

The spaces between the ribs are referred to as?

A

Intercostal spaces

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23
Q

The shortest broadest rib?

A

1st rib

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24
Q

A typical rib consist of?

A

Head, flattened neck, tubercle, and body

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25
The ribs have ________ on their heads first articulation with the vertebrae?
Facets
26
What contains costal arteries, veins, and nerves?
Costal groove
27
Articulation between the upper limbs and trunk are what joints?
Sternoclavicular joints
28
The head of a rib is closely bound to the demifacets of two adjacent vertebral bodies to form a synovial gliding articulation called?
Costovertebral joint
29
What ribs all articulate with only one vertebral body?
1st, 10th,11th, 12th
30
The tubercle if a rib articulates with the anterior surface of the transverse process of the lower vertebra at?
Costotransverse joint (synovial gliding)
31
What articulations are found between the anterior extremities is the ribs and the costal cartilages?
Costochondral (cartilaginous syncondrosis)
32
What articulation is between the costal cartilages of the true ribs and the sternum?
Sternocostal joints (cartilaginous syncondrosis)
33
What is the cassette size for an PA oblique (sternum)RAO?
10x12
34
For the PA oblique (sternum) what is the SID? Why?
30, blur out the posterior ribs
35
For the PA oblique (sternum) what is the patient position?
Prone/upright, 15-20 degree rotation
36
For the PA oblique (sternum) what is the IR position?
1.5” above jugular notch
37
For the PA oblique (sternum) what is the breathing technique?
Use a breathing technique (slow shallow breaths)or suspend at end of expiration
38
For the PA oblique (sternum) where is the central ray positioned?
Perpendicular to the IR. Enters elevated side at T7 approx 1” lateral msp
39
For the PA oblique (sternum) what is the collimation?
10x12
40
For the Lateral (sternum) what is the cassette size?
10x12
41
For the Lateral (sternum) what is the SID? Why?
72, to reduce magnification and distortion of the sternum
42
For the Lateral (sternum) what is the patient position?
Lateral position either upright or seated/standing
43
For the Lateral (sternum) what is the central ray position?
Perpendicular to center of IR entering the lateral border of the midsternum
44
For the Lateral (sternum) what is the collimation?
10x12
45
For the PA (upper anterior ribs)what is the cassette size?
14x17
46
For the PA (upper anterior ribs)what is the SID?
72
47
For the PA (upper anterior ribs)what is the patient position?
Upright or recumbent
48
For the PA (upper anterior ribs)what is the IR position?
1.5” above the shoulders
49
For the PA (upper anterior ribs)what is the breathing technique used?
Suspend on full inspiration to depress diaphragm
50
For the PA (upper anterior ribs)what is the central ray position?
Perpendicular to the IR @ the level of T7
51
For the PA (upper anterior ribs)what is the collimation?
14x17
52
For the AP (posterior ribs)what is the SID?
72 upper | 40 lower
53
For the AP (posterior ribs)what is the cassette size?
14x17
54
For the AP (posterior ribs)what is the patient position?
Upright/recumbent
55
For the AP (posterior ribs)what is the IR position for ribs above the diaphragm?
Upper:1.5” above the shoulders
56
For the AP (posterior ribs)what is breathing technique for ribs above the diaphragm?
Suspend at full inspiration to depress diaphragm
57
For the AP (posterior ribs)what is IR position for the ribs below the diaphragm?
Near level of iliac crest halfway between xiphoid process and lower rib margin.
58
For the AP (posterior ribs)what is the breathing technique used for ribs below the diaphragm?
Suspend On full expiration
59
For the AP (posterior ribs)what is the central ray position?
Perpendicular to IR
60
For the AP (posterior ribs)what is the collimation?
14x17
61
For AP oblique (axillary ribs) what is the cassette size?
14x17
62
For AP oblique (axillary ribs) what is the SID
72
63
For AP oblique (axillary ribs) what is the patient position?
Upright/recumbent, 45 degree angle. Affected side closest to the IR
64
For AP oblique (axillary ribs) what is the IR position?
Ribs above diaphragm: 1.5” above shoulders Ribs below diaphragm: halfway between xiphoid process and lower rib margin
65
For AP oblique (axillary ribs) what is the breathing technique?
Ribs above diaphragm: Suspend at end of full inspiration Ribs below diaphragm: at end of deep expiration
66
For AP oblique (axillary ribs) what is the central ray position?
Perpendicular to IR
67
For AP oblique (axillary ribs) what is the collimation?
14x17
68
For PA oblique (axillary ribs) what is the SID?
72
69
For PA oblique (axillary ribs) what is the cassette size?
14x17
70
For PA oblique (axillary ribs) what is the patient position?
Upright/recumbent, 45 degree angle affected side away. Pain away!!!
71
For PA oblique (axillary ribs) what is IR position?
Ribs above diaphragm: 1.5” above shoulders Ribs below diaphragm: midway between xiphoid process and lower rib margin
72
For PA oblique (axillary ribs) what is the breathing technique?
Ribs below diaphragm: Suspend at end of full expiration Ribs above diaphragm: at end of full inspiration
73
For PA oblique (axillary ribs) what is the central ray position?
Perpendicular to the IR
74
For PA oblique (axillary ribs) what is the collimation?
14x17
75
What ribs do not have a neck or tubercular facet?
Eleventh and Twelfth

Radiology 122 (18 decks)

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