ARRT EXAM REVIEW
Q&A(100%)CORRECT
According to the National Council on Radiation Protection and Measurements (NCRP), the gestational
dose-equivalent limit for embryo/fetus of a pregnant radiographer is - correct answers:0.5 mSv
The annual occupational whole-body dose-equivalent limit for students under the age of 18 years is -
correct answers:1 mSv (100 mrem or 0.1 rem)
The amount of time that x-rays are being produced and directed toward a particular wall is referred to as
the - correct answers:use factor
number of x-ray exposures made per week - correct answers:workload
Patient dose increases as fluoroscopic - correct answers:FOV decreases
The interaction between x-ray photons and tissue that is responsible for radiographic contrast but that
also contributes significantly to patient dose is - correct answers:the photoelectric effect
Pair production occurs only at very high energy levels, at least - correct answers:1.02 MeV
Which of the following voltage ripples is (are) produced by single-phase equipment - correct
answers:100% voltage ripple
Early symptoms of acute radiation syndrome include - correct answers:leukopenia, nausea and vomiting
Early symptoms of acute radiation syndrome include - correct answers:Lanthanum oxybromide
Gadolinium oxysulfide
Q&A(100%)CORRECT
According to the National Council on Radiation Protection and Measurements (NCRP), the gestational
dose-equivalent limit for embryo/fetus of a pregnant radiographer is - correct answers:0.5 mSv
The annual occupational whole-body dose-equivalent limit for students under the age of 18 years is -
correct answers:1 mSv (100 mrem or 0.1 rem)
The amount of time that x-rays are being produced and directed toward a particular wall is referred to as
the - correct answers:use factor
number of x-ray exposures made per week - correct answers:workload
Patient dose increases as fluoroscopic - correct answers:FOV decreases
The interaction between x-ray photons and tissue that is responsible for radiographic contrast but that
also contributes significantly to patient dose is - correct answers:the photoelectric effect
Pair production occurs only at very high energy levels, at least - correct answers:1.02 MeV
Which of the following voltage ripples is (are) produced by single-phase equipment - correct
answers:100% voltage ripple
Early symptoms of acute radiation syndrome include - correct answers:leukopenia, nausea and vomiting
Early symptoms of acute radiation syndrome include - correct answers:Lanthanum oxybromide
Gadolinium oxysulfide
