RAD 112 Unit 2 | Actual study set | Questions and verified Answers

RAD 112 Unit 2 | Actual study set |
Questions and verified Answers
All of the following statements regarding the RAO position of the sternum are true, except
Select one:
a. the sternum is generally projected to the left of the vertebral column.
b. shallow breathing during the exposure can obliterate prominent pulmonary markings.
c. it is helpful to project the sternum over the heart.
d. a thin thorax requires a lesser degree of obliquity than a thicker thorax. - ANSW-d. a thin thorax
requires a lesser degree of obliquity than a thicker thorax.
The 12 costovertebral joints of the ribs are:
Select one:
a. synovialpivot
b. synovial-gliding
c. cartilaginous-symphysis
d. cartilaginous-synchondroses - ANSW-b. synovial-gliding
What determines whether a particular rib is a true rib or a false rib?
Select one:
a. Its posterior articulation
b. Its anterior articulation
c. Its articulations with costal tubercles - ANSW-b. Its anterior articulation
How much is the body rotated for the PA oblique projection of the sternoclavicular articulation (body
rotation technique)?
Select one:
a. 10º
b. 20º
c. 10º-15º
d. 20º-30º - ANSW-c. 10º-15º
When performing the AP projection to demonstrate ribs below the diaphragm and using the cassette
horizontally, direct the central ray to ________, which is located approximately at the level of ______ .
Select one:
a. T7; the xiphoid process
b. T7; 3 inches below the sternal angle
c. T10; the xiphoid process
d. T12; 3 inches below the xiphoid process - ANSW-d. T12; 3 inches below the xiphoid process
Which of the following form the bony thorax:
1) sternum

,2) 12 pairs of ribs
3) 12 thoracic vertebrae
Select one:
a. 1 and 2
b. 1 and 3
c. 2 and 3
d. 1, 2, and 3 - ANSW-d. 1, 2, and 3
Which pairs of ribs are classified as false ribs?
Select one:
a. The first seven pairs
b. Pairs 8, 9, and 10
c. Pairs 8, 9, 10, 11, and 12
d. The last two pairs - ANSW-c. Pairs 8, 9, 10, 11, and 12
All the following positions may be used to demonstrate the sternoclavicular articulations except
Select one:
a. weight bearing.
b. RAO.
c. LAO.
d. PA. - ANSW-a. weight bearing.
Which SID is recommended for the lateral projection of the sternum for management of magnification?
Select one:
a. 48 inches
b. 60 inches
c. 72 inches
d. 120 inches - ANSW-c. 72 inches
The CR angle for a lateral sternum is:
Select one:
a. 5º caudad
b. 10º caudad
c. 10º-12º caudad
d. perpendicular - ANSW-d. perpendicular
Patients who have experienced trauma may be positioned either upright, lateral recumbent, or supine as
their condition permits for the lateral projection of the sternum.
Select one:
True
False - ANSW-True

, For the AP projection to demonstrate ribs below the diaphragm and using the cassette longitudinally,
direct the central ray to _____________, which is located approximately at the level of ________ .
Select one:
a. T7; xiphoid process
b. T7; 3 inches below the sternal angle
c. T10; the xiphoid process
d. T10; 3 inches below the xiphoid process - ANSW-c. T10; the xiphoid process
The CR angulation for a PA projection of the sternoclavicular joint is:
Select one:
a. 0º
b. 5º caudad
c. 10º caudad
d. 10º-15º caudad - ANSW-a. 0º
How are the hands placed for a PA projection of the ribs so the scapulae are rotated away from the rib
cage?
Select one:
a. palm of the hands against the hips
b. palm of the hands against the mid-thigh
c. back of the hands against the hips
d. back of the hands against the mid-thigh - ANSW-c. back of the hands against the hips
Which ribs are called the false ribs?
Select one:
a. 1 to 7
b. 1 to 10
c. 8 to 12
d. 11 and 12 - ANSW-c. 8 to 12
The CR for a PA projection of the upper ribs is:
Select one:
a. 0º
b. 5º caudad
c. 10º cephalad
d. 12º cephalad - ANSW-a. 0º
What degree of x-ray tube angulation is required to demonstrate the sternum on a patient whose thorax
measures 30 cm?
Select one:
a. 12
b. 16
c. 19