Radiography Exam Patient Positioning & Procedures

Question 1

Which projection of the chest is considered the standard for routine chest radiography?

Accepted Answer

PA erect

Answer

AP supine

Answer

Lateral decubitus

Answer

AP erect

Question 2

When positioning a patient for a lateral projection of the lumbar spine, which anatomical landmark is centered to the image receptor?

Accepted Answer

L3 vertebra (iliac crest level)

Answer

Iliac crest

Answer

Xiphoid process

Answer

ASIS

Question 3

What degree of obliquity is used for an AP oblique projection of the lumbar spine (RPO/LPO) to visualize the zygapophyseal joints?

Accepted Answer

45 degrees

Answer

15–20 degrees

Answer

30–35 degrees

Answer

60 degrees

Question 4

For an AP projection of the knee, the central ray is directed to which landmark?

Accepted Answer

0.5 inch (1 cm) below the patellar apex

Answer

Mid-patella

Answer

Femoral condyles

Answer

Tibial tuberosity

Question 5

Which position requires the patient to lie on their side with the x-ray beam directed horizontally?

Accepted Answer

Lateral decubitus

Answer

Trendelenburg

Answer

Fowler's position

Answer

Sims position

Question 6

For a PA projection of the hand, which surface of the hand is placed against the image receptor?

Accepted Answer

Palmar (anterior) surface

Answer

Dorsal (posterior) surface

Answer

Lateral surface

Answer

Medial surface