CAMRT Radiographic Procedures: Skeletal System Questions and Answers 2

Question 1

For an AP shoulder, how should the arm be positioned to show the greater tuberosity in profile?

Accepted Answer

External rotation with hand supinated and epicondyles parallel to detector

Answer

Internal rotation with hand on hip

Answer

Neutral position at side

Answer

Full 90-degree abduction

Question 2

What is the Mortise view of the ankle and how is it positioned?

Accepted Answer

Demonstrates ankle mortise joint uniformly open; internally rotate 15-20 degrees

Answer

Demonstrates tibial plateau; external rotation

Answer

Demonstrates calcaneus; maximum dorsiflexion

Answer

Demonstrates subtalar joint; lateral position

Question 3

What are the key positioning elements for an AP pelvis radiograph?

Accepted Answer

Centre between ASIS and symphysis pubis; feet internally rotated 15-20 degrees; verify symmetric ASIS positioning

Answer

Centre at umbilicus; no special positioning

Answer

Centre at symphysis; external rotation

Answer

Centre at iliac crest; hips flexed

Question 4

What are the Ottawa Ankle Rules?

Accepted Answer

Clinical decision rules determining whether ankle radiographs are needed based on physical findings

Answer

Positioning guidelines for ankle X-rays

Answer

Image quality evaluation criteria

Answer

Radiation dose limits for ankles

Question 5

What projections constitute a standard knee series?

Accepted Answer

AP, lateral, and obliques showing joint space, patella, and tibial plateaus respectively

Answer

Only AP

Answer

Only lateral

Answer

AP and sunrise only

Question 6

What is proper positioning for a lateral cervical spine, and what must be demonstrated?

Accepted Answer

Erect true lateral, shoulders depressed, 72-inch SID; all 7 cervical vertebrae including C7-T1

Answer

Prone with chin elevated; C1-C5

Answer

Supine with lateral beam; C3-C7

Answer

Erect facing detector; C1-C4