Bony Thorax

Question 1

How many pairs of ribs in the bony thorax?

Answer 1

12 pairs

Question 2

What forms the bony thorax?

Answer 2

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

Question 3

Length of the sternum

Answer 3

6 inches

Question 4

Three parts of the sternum

Answer 4

Manubrium, body, xiphoid process

Question 5

Where does the sternum support the clavicles?

Answer 5

Superior manubrial angles

Question 6

How many pairs of ribs connect to the sternum?

Answer 6

7

Question 7

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

Answer 7

T2-T3

Question 8

What lies posterior to the xiphoid process?

Answer 8

T10

Question 9

Which ribs are considered the true ribs?

Answer 9

The first seven ribs

Question 10

Which are false ribs and why?

Answer 10

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

Question 11

What are the spaces between the ribs called?

Answer 11

Intercostal spaces

Question 12

Which are the floating ribs and why?

Answer 12

Last 2 ribs because they only connect to the vertebrae

Question 13

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

Answer 13

The costal cartilage of the 7th rib

Question 14

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

Answer 14

Sternoclavicular joints

Question 15

Which ribs articulate with only 1 vertebral body?

Answer 15

First, tenth, eleventh, twelfth

Question 16

How does respiratory movement change obliquity of ribs?

Answer 16

Degree of obliquity decreases with inspiration, and increases with expiration

Question 17

Shape of ribs anterior vs posterior

Answer 17

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

Question 18

SID for sternum

Answer 18

40 in

Question 19

Centering for RAO sternum

Answer 19

T7, 1 in to upside

Question 20

Arm position lateral sternum

Answer 20

Behind back

Question 21

SID lateral sternum

Answer 21

72 in

Question 22

Breathing instructions lateral sternum

Answer 22

Suspend after inspiration

Question 23

Centering for SC joints

Answer 23

Msp, jugular notch

Question 24

Degree of body rotation oblique SC joints

Answer 24

10-15

Question 25

Centering for oblique SC joints

Answer 25

T3, 2 in to upside

Question 26

Rib oblique positioning

Answer 26

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

Question 27

Degree of obliquity sternum RAO

Answer 27

15-20

Question 28

CR RAO sternum

Answer 28

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

Question 29

CR lateral sternum

Answer 29

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

Question 30

SC joints CR

Answer 30

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

Question 31

SC joints breathing

Answer 31

End of expiration

Question 32

Collimation SC joints

Answer 32

6x8 crosswise

Question 33

SID SC joints

Answer 33

40 in

Question 34

SC joint oblique

Answer 34

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

Question 35

what type of bone is the sternum

Answer 35

flat bone

Question 36

where does the sternum support the clavicles?

Answer 36

manubrial angles, forming sternoclavicular joints

Question 37

where does the jugular notch lie?

Answer 37

T2-T3 interspace

Question 38

length of sternum body

Answer 38

4 inches

Question 39

where does the sternal angle lie?

Answer 39

T4-T5 interspace

Question 40

where does xiphoid process lie?

Answer 40

over T10

Question 41

typical rib consists of which parts

Answer 41

head, neck, tubercle, body

Question 42

what do the heads of the ribs articulate with?

Answer 42

vertebral bodies at the costovertebral joints

Question 43

what do the tubercles of the ribs articulate with?

Answer 43

thoracic spine transverse processes, forming costotransverse joints

Question 44

SID for oblique sternum

Answer 44

30 SID

Question 45

SID for lateral sternum

Answer 45

72 in SID

Question 46

RAO sternum patient rotation

Answer 46

15 - 20 degrees recumbent

Question 47

IR placement RAO sternum

Answer 47

1.5 in of light above jugular notch, centered at T7

Question 48

CR oblique sternum

Answer 48

T7, 1 inch lateral to MSP

Question 49

breathing instructions oblique sternum

Answer 49

slow, shallow breaths