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An additive disease processes that would require at least a 30 – 50 % increase in mAs include all of the following except:

BONUS: A KUB projection was obtained using the Angelina College CR radiography system, the following technical factors were used:80 kV, 8mAs, a large focal spot with a 12:1 grid, 44″ SID.  The resulting projection demonstrated penetration of some of the structures, but considerable quantum noise,  a S value # 600.  How should the technical factors be adjusted prior to the next exposure?

 PA chest projection was obtained using the Angelina College CR radiography equipment, 120 kV 1.5 mAs , large focal spot, 12:1 grid, 72″SID. The resulting projection recorded a S value # of 1200.  What new technical factors should be used for the repeat exposure?

A chest radiograph  done in the PA position reveals that the right sternoclavicular joint is closer to the spine than the left joint. What specific positioning error has been committed?

A lateral chest image was obtained using the Angelina College radiography equipment, 120 kV, 60 mAs, 12:1 grid, large focal spot.  The resulting image demonstrated saturation of the vertebral bodies and a S value# of 102.  What new technical factors should be used for the repeated projection?

Which of the following improves spatial resolution?

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