Question 1

Which of the following statements is true about floating ribs?

Accepted Answer

A)   They do not possess a head.
B)   They do not possess a costovertebral joint.
C)   They do not possess costocartilage.
D)   They are ribs 10 through 12.

Question 2

What is the primary term for the superior margin of the sternum?

Accepted Answer

A)   Sternal notch
B)   Manubrial notch
C)   Suprasternal notch
D)   Jugular notch

Question 3

The structure labeled iii is costocartilage:

Accepted Answer

A)   of the 10th rib.
B)   portion of the first false rib.
C)   of the last true rib.
D)   of the sixth rib.

Question 4

A radiograph of an RAO sternum reveals that it is partially superimposed over the spine.What must be done to eliminate this problem during the repeat exposure?

Accepted Answer

A)   Perform an LPO projection instead of an RAO.
B)   Angle CR 5° to 10° laterally to the sternum.
C)   Increase rotation of the body.
D)   Increase kV.

Question 5

A recommended practice is to decrease the SID to less than 40 inches (102 cm)for the oblique sternum projection to increase the magnification and resultant unsharpness of overlying ribs.

Accepted Answer

A) True 
 B)False

Question 6

At approximately what age does the xiphoid process become totally ossified?

Accepted Answer

A)   12 years old
B)   21 years old
C)   40 years old
D)   The xiphoid process never becomes ossified.

Question 7

A radiograph of an RAO projection of the ribs demonstrates the left axillary ribs are foreshortened,whereas the right side is elongated.Which of the following is the most likely reason for this radiographic outcome?

Accepted Answer

A)   The patient requires more rotation to the right.
B)   An LAO was performed rather than the RAO position.
C)   The technologist should have performed a PA projection to demonstrate the left axillary ribs, not an RAO.
D)   CR angulation was incorrect.

Question 8

The degree of rotation for the right anterior oblique (RAO)projection of the sternum is dependent on the size of the thoracic cavity.

Accepted Answer

A) True 
 B)False

Question 9

The widest aspect of the thorax generally occurs at the level of:

Accepted Answer

A)   the eleventh and twelfth ribs.
B)   T7.
C)   the sternoclavicular joints.
D)   the eighth or ninth ribs.

Question 10

A patient enters the ED with an injury to the left anterior lower ribs.Which of the following projections should be taken to demonstrate the involved area?

Accepted Answer

A)   AP and LAO
B)   PA and RAO
C)   AP and LPO
D)   PA and LAO

Question 11

What is the joint classification and type of movement for the sternoclavicular joints?

Accepted Answer

A)   Cartilaginous with diarthrodial (ginglymus)  movement
B)   Synovial with diarthrodial (gliding)  movement
C)   Synovial with amphiarthrodial, limited movement
D)   Cartilaginous with synarthrodial or no movement

Question 12

Fracture of adjacent ribs in two or more places with associated pulmonary injury is known as a(n) _____ rib fracture.

Accepted Answer

A)   compound
B)   flail chest
C)   acute
D)   compression B

Question 13

Which analog kV range is recommended for an AP study of the ribs found below the diaphragm?

Accepted Answer

A)   85 to 90 kV
B)   60 to 65 kV
C)   65 to 75 kV
D)   70 to 80 kV

Question 14

Which of the following ribs is considered to be a false rib?

Accepted Answer

A)   Seventh
B)   First
C)   Ninth
D)   None of the above

Question 15

Which disease or condition may be associated with postoperative complications of open heart surgery?

Accepted Answer

A)   Spondylitis
B)   Osteoblastic metastases
C)   Osteomyelitis
D)   Flail chest

Question 16

A lateral projection of the sternum requires that respiration be suspended on expiration.

Accepted Answer

A) True 
 B)False

Question 17

Initial PA projections of the SC joints indicate a possible defect involving the left SC joint.The vertebral column is preventing a clear view of it.Which of the following projections will demonstrate the right SC joint without superimposition over the spine?

Accepted Answer

A)   Horizontal beam lateral
B)   LAO
C)   RAO
D)   Erect lateral projection C

Question 18

Why is the RAO sternum preferred to the LAO position?

Accepted Answer

A)   The RAO produces less magnification of the sternum.
B)   The RAO projects the sternum over the shadow of the heart.
C)   The RAO reduces dose to the thyroid gland.
D)   The RAO projects the sternum away from the hilum and heart.

Question 19

What is the recommended SID for the lateral sternum position?

Accepted Answer

A)   40 inches (102 cm) 
B)   44 inches (113 cm) 
C)   46 inches (117 cm) 
D)   60 to 72 inches (152 to 183 cm)

Question 20

A radiograph of an RAO projection of the sternum demonstrates excessive lung markings obscuring the sternum.A 1-second exposure time and an orthostatic (breathing) technique were used.Which of the following will produce a more diagnostic image of the sternum?

Accepted Answer

A)   Ensure that the patient is not breathing during the exposure.
B)   Increase the exposure time; decrease the mA.
C)   Decrease the kV; increase the mA or time.
D)   Initiate exposure on deeper inspiration. B

Exam 10: Bony Thorax-Sternum and Ribs

Which of the following statements is true about floating ribs?

Correct AnswerverifiedShow Answer

What is the primary term for the superior margin of the sternum?

Correct AnswerverifiedShow Answer

The structure labeled iii is costocartilage:

Correct AnswerverifiedShow Answer

A radiograph of an RAO sternum reveals that it is partially superimposed over the spine.What must be done to eliminate this problem during the repeat exposure?

Correct AnswerverifiedShow Answer

A recommended practice is to decrease the SID to less than 40 inches (102 cm)for the oblique sternum projection to increase the magnification and resultant unsharpness of overlying ribs.

Correct AnswerverifiedShow Answer

At approximately what age does the xiphoid process become totally ossified?

Correct AnswerverifiedShow Answer

A radiograph of an RAO projection of the ribs demonstrates the left axillary ribs are foreshortened,whereas the right side is elongated.Which of the following is the most likely reason for this radiographic outcome?

Correct AnswerverifiedShow Answer

The degree of rotation for the right anterior oblique (RAO)projection of the sternum is dependent on the size of the thoracic cavity.

Correct AnswerverifiedShow Answer

The widest aspect of the thorax generally occurs at the level of:

Correct AnswerverifiedShow Answer

A patient enters the ED with an injury to the left anterior lower ribs.Which of the following projections should be taken to demonstrate the involved area?

Correct AnswerverifiedShow Answer

What is the joint classification and type of movement for the sternoclavicular joints?

Correct AnswerverifiedShow Answer

Fracture of adjacent ribs in two or more places with associated pulmonary injury is known as a(n) _____ rib fracture.

Correct AnswerverifiedB

Which analog kV range is recommended for an AP study of the ribs found below the diaphragm?

Correct AnswerverifiedShow Answer

Which of the following ribs is considered to be a false rib?

Correct AnswerverifiedShow Answer

Which disease or condition may be associated with postoperative complications of open heart surgery?

Correct AnswerverifiedShow Answer

A lateral projection of the sternum requires that respiration be suspended on expiration.

Correct AnswerverifiedShow Answer

Initial PA projections of the SC joints indicate a possible defect involving the left SC joint.The vertebral column is preventing a clear view of it.Which of the following projections will demonstrate the right SC joint without superimposition over the spine?

Correct AnswerverifiedC

Why is the RAO sternum preferred to the LAO position?

Correct AnswerverifiedShow Answer

What is the recommended SID for the lateral sternum position?

Correct AnswerverifiedShow Answer

A radiograph of an RAO projection of the sternum demonstrates excessive lung markings obscuring the sternum.A 1-second exposure time and an orthostatic (breathing) technique were used.Which of the following will produce a more diagnostic image of the sternum?

Correct AnswerverifiedB

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B

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C

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B