Spine Bony thorax Flashcards

1
Q

Bony thorax consists of

A

Sternum (anteriorly)
Thoracic vertebra (posteriorly)
12 pairs of ribs (lat)

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2
Q

3 divisions of the sternum

A

manubrium (upper portion)
body (middle also known as Corpus, gladiolus)
xiphoid process (most inferior portion)

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3
Q

The upper most border of the manubrium is called the _. This is at the level of

A
juglar notch (suprasternal, manubrial notch)
T2-T3
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4
Q

The lower end of the manubrium is the _. This is at the level of

A

sternal angle

T4-T5

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5
Q

The xiphoid tip is located at the level of

A

T9-T10

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6
Q

THe inferior costal (rib) margin corresponds to the level of

A

L2-L3

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7
Q

_ joint is where each clavicle articulates with the manubrium

A

SC joint

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8
Q

What is the only bony connection between each shoulder girdle and the bony thorax

A

SC joint

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9
Q

The anterior ribs attach to the sternum by

A

costocartilage

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10
Q

the clavicles and the cartilages of the first 7 pairs of ribs connect directly to the

A

sternum

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11
Q

the costocartilage for the fist rib attaches to the

A

manubrium

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12
Q

the costocartilage for the second rib attaches at the

A

sternal angle

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13
Q

the 3rd-7th costocartilage attaches to the

A

body of the sternum

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14
Q

ribs 8,9, and 10 also have costocartilage but attach to the

A

costocartilage of rib #7

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15
Q

The first 7 pairs of ribs are called _ and why

A

true ribs

because the ribs attach to the sternum by its own costocartilage

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16
Q

ribs 8-12 are called _ why?

A

false ribs

because the attach to the sternum indirectly

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17
Q

ribs 11-12 are called _ and_ why?

A

false/floating ribs

because the do not possess costocartilage or connect anteriorly

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18
Q

each rib has two ends

A

the posterior/vertebral

anterior/sternal end

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19
Q

Between the 2 ends is the

A

shaft/body of the rib

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20
Q

the vertebral end has a _ and a

A

head

flat neck

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21
Q

lateral to the neck is a

A

tubercle

22
Q

the body extends laterally from the _ and then angles forward and downward; this is the

A

tubercle

angle of the rib/axillary portion

23
Q

the posterior or vertebral end of the rib is _ than the anterior or sternal end

A

3-5 inches higher

24
Q

the inside margin of each rib protects and artery, nerve and vein; this inside margin is called the

A

costal groove

25
Q

the bony thorax is widest at the

A

8th-9th ribs

26
Q

what is formed by the head of the rib and the body of the thoracic vertebrae

A

costovertebral joint

27
Q

what joint is formed by the tubercle of the rib and the transverse proces of the thoracic vertebrae

A

costotransverse joint

28
Q

what ribs do not have a costotransverse articulation

A

11-12 (only costovertebral)

29
Q

located between the costocartilage and anterior or sternal end of the rib

A

costochondral union or junction

30
Q

costochondral union or junction classification and mobility

A

unique classification

synarthrodial

31
Q

SC joint is classified as

A

synovial

diathrodial

32
Q

What joint of the 1st rib is located between the sternum and costocartilage

A

sternocostal joint

33
Q

sternocostal joint of the 1st rib is classified as

A

cartilaginous
no movement
synarthrodial

34
Q

Sternocostal joint of 2nd-7th rib are classified as

A

synovial

diarthrodial

35
Q

interchondral joints between 6th-10th ribs are classified

A

synovial joints

diathrodial

36
Q

costotransverse joints and costovertebral joints are classified

A

synovial

diathrodial

37
Q

what are superimposed in an AP or PA position

A

thoracic spine and sternum

38
Q

the vertebra are much more dense than the sternum so the body must be rotated to visualize the

A

sternum away from the vertebra and placed in the heart shadow for a more uniform density

39
Q

What can be done in place of the RAO if patient cannot do RAO position

A

LPO

40
Q

A thinner person requires _ rotation than a person with a deeper chest

A
20 degree (thinner)
15 degrees (deeper chest)
41
Q

Why is a breathing technique is used on a RAO sternum and this requires a _ kV, a _ mA, and a _ exposure

A

to blur out lung markings over the sternum
low
low
long (3-4 sec)

42
Q

If patient is not able to stand, do a

A

cross table lat

43
Q

for above diaphragm ribs

  1. take _ when possible and why
  2. expose on _
  3. _ kV
A
  1. erect (allows the diaphragm to move to its lowest pos.)
  2. inspiration
  3. low kV (65-75)
44
Q

Below diaphragm

  1. take _when possible and why
  2. expose on
  3. _ kV
A
  1. recumbent (allows diaphragm to rise to the highest pos.)
  2. expiration
  3. medium kV (75-85)
45
Q

when determining AP or PA, put the pain _to the IR

A

closest

46
Q

when determining oblique position, first place the pain closest to the IR and then rotate the _from the side of interest

A

spinous process away

47
Q

ribs are usually marked w/

A

arrows

48
Q

above diaphragm ribs should demonstrate ribs _; below should demonstrate

A

1-9/10

8-12

49
Q

PA below the diaphragm ribs are not taken because

A

there are no ribs below 10 anteriorly

50
Q

Ribs may be radiographed

A

unilateral or bilateral

51
Q

person enters the RD with rt anterior rib pain. What positions should be performed

A

PA chest
PA above diaphragm
LAO above diaphragm

52
Q

Person enters the RD with a posterior rib pain. What positions should be performed

A

PA chest
AP above
LPO above diaphragm
LPO below diaphragm