ARRT Practice Questions with Correct
Answers
For the cervicothoracic region lateral projection (swimmer's technique), the recommended
position of the humeral head closest to the IR is move - Answer-anteriorly
What two bones are united to form the sternoclavicular joint? - Answer-.
Clavicle and...
Direct action may occur after exposure to any type of radiation, but it is much more likely to
happen after exposure to: - Answer✔✔-high-LET radiation such as alpha particles
Which device in the typical x-ray circuit is adjusted to select the kilovoltage? - Answer✔✔-
Autotransformer
If all of the other factors remain the same, what effect does excessive filtration have on a
radiographic image? - Answer✔✔-Reduced contrast
What does the term "fill factor" refer to? - Answer✔✔-The percentage of the pixel face that
contains the x-ray detector
Which of the following would decrease the production of scatter radiation? - Answer✔✔-A
decrease in kilovolts (peak)
The American College of Radiology (ACR) recommends that all available dose data from
fluoroscopic examinations be recorded in the patient's medical record. Which of the following
are acceptable methods of recording approximate dose?
1. Cumulative Air Kerma or Air Kerma area product data
2. Fluoroscopic exposure time and number of images acquired
3. Exposure factors utilized for the examination - Answer✔✔-1 & 2
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