Chest and Abdomen Review

Question 1

Which structure is not demonstrated within the mediastinum in PA projections of the chest?

Answer 1

Diaphragm

Question 2

Which pathologic condition of the lung involves the replacement of air with fluid in the lung interstitium and alveoli?

Answer 2

Pulmonary edema

Question 3

Which projection of the chest best demonstrates lung apices free from superimposition with the clavicles?

Answer 3

AP axial projection, lordotic position

Question 4

Which PA oblique projection of the chest may be used to evaluate the heart and great vessels?

Answer 4

55-66 degree LAO

Question 5

How many degrees should the patient be rotated for PA oblique projections of the chest to evaluate the lungs?

Answer 5

RAO: 45 degrees; LAO: 45 degrees

Question 6

Which radiographic position requires that the patient be placed supine with the IR placed vertically against the patient’s right side and a horizontal central ray directed to the center of the IR?

Answer 6

Dorsal decubitus

Question 7

Which radiographic position requires that the patient be placed prone as the central ray is directed horizontally?

Answer 7

Ventral decubitus

Question 8

Which evaluation criterion pertains to the PA projection radiograph of the chest?

Answer 8

The scapulae should be projected outside the lung fields

Question 9

Which evaluation criterion pertains to the lateral projection radiograph of the chest?

Answer 9

The ribs posterior to the vertebral column should be superimposed.

Question 10

Which evaluation criterion pertains ot the AP axial projection, lordotic position radiograph of the chest?

Answer 10

The clavicles should lie superior to the apices

Question 11

The portions of the peritoneum that function to support the viscera of the abdomen in position are the:

Answer 11

mesentery and omenta folds

Question 12

For the KUB radiograph, when should respiration be suspended,and what effect will that have on the patient?

Answer 12

On full expiration; elevate the diaphragm

Question 13

Which radiographic postion of the abdomen requires that the patient be supine and that the central ray be directed to a lateral side of the patient, entering slightly anterior to the midcoronal plane?

Answer 13

Dorsal decubitus

Question 14

For the lateral projection with the patient placed in the dorsal decubitus position, which procedure should be performed to ensure that the entire abdomen is included on the radiograph?

Answer 14

Used support cushions to elevate the patient

Question 15

Which structures should be examined to see whether the patient was rotated for a lateral projection of the abdomen?

Answer 15

Pelvis and lumbar vetebrae

Question 16

The contrast of an AP projection image of the abdomen must be sufficient to demonstrate the soft tissues of the:

Answer 16

Lower border of the liver
Kidneys
Psoas muscles