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ARRT Mosby Challenge Test 1 Questions with Complete Solutions, A+
1. Attenuation: - Describes changes in the x ray beam as it travels through the patient 
 
Which photon-tissue interaction makes radiography possible because of its creation of contrast? - Photoelectric 
 
Which photon-tissue interaction produces that may expose others in the room during fluoroscopy? - Compton 
 
The unit of radiation absorbed in air is the - Gya 
 
The unit of radioactivity is the: - Becquerel 
 
The unit of effective dose is the: - Sievert 
 
Linear energy tr...