Ch 10 Bony Thorax

Question 1

What does the bony thorax consist of

Answer 1

12 pairs of ribs
Sternum
12 thoracic vertebrae

Question 2

SC joints are where

Answer 2

Where the manubrium of the sternum and clavicle meet

Question 3

What 3 parts make up the sternum

Answer 3

Manubrium
Body of the sternum
Xyphoid process

Question 4

What does the sternum do

Answer 4

Provide attachment to the costal cartilage of the first 7 pairs of ribs

Question 5

What projections do you need for a sternum

Answer 5

RAO & lateral

Question 6

How much of body rotation do you need for a RAO Sternum

Answer 6

15-20°

Question 7

Where does the CR enter for RAO sternum

Answer 7

1inch laterally from MSP at the level of T7 (can use bottom of the scapula) - top of the IR placed 1.5 inch above the jugular notch

Question 8

What is the SID for a RAO sternum

Answer 8

30 inch - SSD needs to be at least 12 inches

Question 9

Breathing for RAO sternum

Answer 9

Shallow breathing preferred but if can’t, expose after expiration

Question 10

What SID for lateral sternum

Answer 10

72 inch

Question 11

CR for lateral sternum

Answer 11

Lateral midsternum with top of IR 1.5 inch above jugular notch

Question 12

Breathing for lateral sternum

Answer 12

Deep inspiration

Question 13

What do you use for a lateral sternum whenever patient can’t stand

Answer 13

Lateral recumbent sternum

If can’t lay on their side, dorsal decubitus lateral

Question 14

What do you use when a patient can’t lay prone for RAO sternum

Answer 14

LPO

Question 15

Where does each rib attach to the vertebrae

Answer 15

Posteriorly

Question 16

True ribs

Answer 16

Attach directly to the sternum 1-7

Question 17

False ribs

Answer 17

8-12

Question 18

Floating ribs

Answer 18

11 & 12 - no costal cartilage

Question 19

How are the ribs situated in the body

Answer 19

On an oblique plane slanting anteriorly and inferiorly

Question 20

What does each rib have

Answer 20

Head - posterior - has facet
Neck
Tubercle - has facet
Body

Question 21

How far inferior are the end of the ribs compared to the head

Answer 21

3-5 inches below

Question 22

Costovertebral joint

Answer 22

Where rib meets vertebral body

Question 23

Costotransverse joint

Answer 23

Rib meets transverse process of the vertebrae

Question 24

Which body habitus has the highest diaphragm

Answer 24

Hypersthenic

Question 25

Which body habitus has the lowest diaphragm

Answer 25

Asthenic

Question 26

A full inspiration lowers the diaphragm how much

Answer 26

About 1.5 inches

Question 27

Respiration for ribs

Answer 27

Upper ribs - hold breathe
Lower ribs - blow out & hold

Question 28

Which side does an AP/PA of the ribs show

Answer 28

AP - P
PA - A

Question 29

PA ribs - upper

Answer 29

14 x 17

1.5 inch light about shoulders (top), backs of hands on hips, roll shoulders

CR - inferior Scapula border

Question 30

AP upper ribs

Answer 30

14 x 17

1.5 inch light above shoulder, backs of hands on hip, shoulders rolled

CR - inferior scapula border

Question 31

AP lower ribs

Answer 31

14 x 17

Arms up out of view

CR - b/w xyphoid process and bottom ribs

Question 32

Oblique ribs - which side do you see

Answer 32

AP oblique - closest to IR
PA oblique - away from IR

Question 33

Oblique ribs projection

Answer 33

14 x 17

45 angulation of body, 1.5 inch light above shoulder, hand behind head

CR - halfway b/w MSP and lateral side of ribs of interest

Question 34

Which ribs do obliques see best

Answer 34

Axillary

Question 35

SC joints

Answer 35

6 x 8

CR - T3 (jugular notch)

Expiration and hold

Question 36

SC joint oblique

Answer 36

6 x 8

Patient 10-15° angled with joint of interest closest to IR, center to T3 (jugular notch

CR perpendicular to SC joint of interest (if left side is closest, CR will enter on the right side of the spine)