Radiologic Technology ARRT
Review – Practice Questions
and Study Guide 2026
Guidehttps://www.stuvia.com/dashboard!@_)#*)(@$)($@*($@)($@*_1 of 77
Page 1 of 77 Radiologic Technology ARRT Review – Practice Questions and Study Guide 2025 2026.pdf
,Radiologic Technology ARRT Review 2 2026-03-09
Attenuation:
a. is radiation that emerges from the patient
b. describes changes in the x-ray beam as it travels through the patient
c. produces only scatter radiation
d. occurs only at doses used in radiation therapy
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 image
contrast?
a. Compton
b. Coherent
c. Photoelectric
d. Pair production
Photoelectric
Page 2 of 77 2 of 77 Radiologic Technology ARRT Review.pdf
,Radiologic Technology ARRT Review 3 2026-03-09
Which photon-tissue interaction produces radiation that may expose others in the room during
fluoroscopy?
a. Compton
b. Coherent
c. Photoelectric
d. Pair production
Compton
The SI unit of absorbed dose:
a. Coulombs/kilogram
b. Gray
c. Curie
d. Rad
Gray
Page 3 of 77 3 of 77 Radiologic Technology ARRT Review.pdf
, Radiologic Technology ARRT Review 4 2026-03-09
The SI unit of radioactivity:
a. Becqueral
b. Rem
c. Quality factor
d. Curie
Becqueral
Measurement of positive and negative particles created when radiation ionizes atoms in the air:
a. Becquerel
b. Sievert
c. Roentgen
d. Curie
Roentgen
Page 4 of 77 4 of 77 Radiologic Technology ARRT Review.pdf