LRA 215: Principles and Applications of Land Evaluation
The function of a filter is to remove which of the following from the X-ray beam? -
answers✔✔long wavelength radiation
Which of the following is not a type of beam limitation device? - answers✔✔filter
How much total filtration is required when using over 70 kVp? - answers✔✔2.5 mm AL
The X-ray tube must be enclosed by a lead-lined metal covering, requiring _________ Pb. -
answers✔✔1/16 IN
During radiography and fluoroscopic procedures at 1 meter from the patient, the beam intensity
is reduced by a factor of 1,000 to approximately _______ % of the original beam -
answers✔✔0.1
Which of the following is the unit of dose equivalent or occupational exposure? -
answers✔✔Sievert and REM
What is the current annual effective dose limit for occupational exposure? - answers✔✔0.05 SV
Student radiographers under 18 years of age have an annual effective dose limit of ______ Sv. -
answers✔✔0.1
The general public has an annual effective dose limit of ______ Seiverts. - answers✔✔0.05
The function of a filter is to remove which of the following from the X-ray beam? -
answers✔✔long wavelength radiation
Which of the following is not a type of beam limitation device? - answers✔✔filter
How much total filtration is required when using over 70 kVp? - answers✔✔2.5 mm AL
The X-ray tube must be enclosed by a lead-lined metal covering, requiring _________ Pb. -
answers✔✔1/16 IN
During radiography and fluoroscopic procedures at 1 meter from the patient, the beam intensity
is reduced by a factor of 1,000 to approximately _______ % of the original beam -
answers✔✔0.1
Which of the following is the unit of dose equivalent or occupational exposure? -
answers✔✔Sievert and REM
What is the current annual effective dose limit for occupational exposure? - answers✔✔0.05 SV
Student radiographers under 18 years of age have an annual effective dose limit of ______ Sv. -
answers✔✔0.1
The general public has an annual effective dose limit of ______ Seiverts. - answers✔✔0.05
