5. Radiographic Procedures
Chest Radiography — Quiz
Test your understanding of chest radiography with 5 practice questions.
Practice Questions
Question 1
In chest radiography using an automatic exposure control (AEC) system, which configuration of ionization chambers is optimal for a PA projection?
Question 2
A lateral chest radiograph is acquired using 3 mAs at a source-image distance (SID) of 180 cm. To maintain equivalent receptor exposure at an SID of 120 cm, what mAs is required?
Question 3
Which radiographic pattern is characterized by fluffy, confluent opacities and air bronchograms on a chest radiograph?
Question 4
On a lateral chest radiograph, the 'spine sign'—increased opacity over the lower thoracic vertebrae—indicates pathology in the:
Question 5
A properly centered PA chest radiograph shows very faint lung markings and excellent visualization of the thoracic spine behind the heart. What exposure adjustment is most appropriate?