Prepare for the ARRT Continuing Qualifications Requirements (CQR) test with these practice questions and answers. This guide covers current radiography standards, safety updates, and best practices.
Q: How is the imager positioned for a decubitus image?
Answer: perpendicular to the floor
Q: How is the imager positioned when the pt is recumbent?
Answer: parallel with the floor
Q: For AP decubitus CXR, where is the CR located?
Answer: 3″ below sternal notch or IR edge 1.5-2″ above shoulders
Q: What is the SID for AP lower ribs?
Answer: 40″
Q: What is the SID for upper ribs in general?
Answer: 72″
Q: Common mAs for upper ribs? CR and DR
Answer: CR 20 mAs, DR 10 mAs
Q: Common mAs for lower ribs? CR and DR
Answer: CR 25mAs, DR 12.5 mAs
Q: What are the positions needed for a sternum?
Answer: Left Lateral and RAO
Q: How much pt rotation is needed for an RAO sternum?
Answer: 15-20 degrees
Q: What kind of breathing technique should be used for sternum imaging? (Both positions)
Answer: Lat- 2nd deep inspirationRAO- slow shallow breaths to blur ribs and lungs
Q: What is the SID for a lateral cervical spine? Is a lateral soft tissue neck different?
Answer: 72″, no
Q: What is the SID for an AP cervical spine? Is a soft tissue neck different?
Answer: 40″, no except the angle of the central ray
Q: Common exposure settings for an AP and Lat soft tissue neck?
Answer: 120 kvp 4-8 mAs AP; 120 kvp 12-24 mAs (with shortest exposure time, NO AEC) Lat