AMERICAN REGISTRY OF RADIOLOGIC TECHNOLOGISTS
(AART) EXAM ACTUAL EXAM 2 VERSIONS (VERSION A
AND B) COMPLETE 550 QUESTIONS WITH DETAILED
VERIFIED ANSWERS (100% CORRECT ANSWERS)
/ALREADY GRADED A+
What is the minimum NCRP requirement for lead equivalent content in protective
aprons? - ANSWER: 0.05 mm Pb
___ is used to account for the differences in ionizing characteristics of various
radiations, when determining their effect on biologic material? - ANSWER: Radiation
weighting factors (Wr)
Patient dose increases as fluoroscopic
A. FOV increases
B. FOV decreases
C. FSS increases
D. FSS decreases - ANSWER: FOV decreases
What type of personnel radiation dosimetry devices are typically sent to a lab for
measurements - ANSWER: Thermoluminescent & Optically Simulated luminescence
dosimeters
Occupational radiation monitoring is required when it is likely that an individual will
receive more than what fraction of the annual dose limit?
A. 1/2
B. 1/4
C. 1/10
D. 1/40 - ANSWER: 1/10
How can pt exposure be minimized? - ANSWER: Accurate positioning, High KV low
mAs & using an AEC
Minimum requirement for lead aprons, according to 21 CFR - ANSWER: 0.25 mm Pb
What two circumstances might require radiographer to wear two dosimeters? -
ANSWER: During pregnancy & performing vascular procedures
What is the feature that most xray imaging systems have that terminates exposure
once adequate exposure has been reached? - ANSWER: AEC
What is the purpose of filtration? - ANSWER: Decrease pt skin dose
, What two question should radiographers ask a female patient of childbearing age? -
ANSWER: Date of LMP & any chance of pregnancy
Lead aprons are worn during fluoroscopy to protect the radiographer from exposure
to radiation from
A. the photoelectric effect
B. compton scatter
C. classic scatter
D. pair production - ANSWER: Compton Scatter
How much protection is provided from a 100-kVp x-ray beam when using a 0.50-mm
lead-equivalent apron?
A. 40%
B. 75%
C. 88%
D. 99% - ANSWER: 75%
__ is the measurement of the rate at which energy is transferred from ionizing
radiation to soft tissue. - ANSWER: Linear Energy Transfer (LET)
What is workload? - ANSWER: term that refers to the # of xray examinations
performed weekly.
What component of personal dosimeters that evaluates radiation quality? -
ANSWER: Filters
Occupationally exposed personnel describes any individual employed in a role in
which they are likely to receive ___ % or more of the annual effective dose limit of
50 mSv - ANSWER: 10%
The annual dose limit for occupationally exposed individuals is valid for - ANSWER:
Beta, X- & gamma radiation
Occupational exposure received by the radiographer comes from which interaction -
ANSWER: Compton scatter
In order to reduce exposure to the lens, reproductive organs and breast what
projection is helpful to perform these examination - ANSWER: PA
Which type of dosimeter is are ring badges? - ANSWER: TLD
___ influences the average energy of the primary beam? - ANSWER: KVP, filtration &
Bremstrahlung interaction
What type of filtration is the xray tube glass envelope and its insulating oil? -
ANSWER: Inherent filtration
(AART) EXAM ACTUAL EXAM 2 VERSIONS (VERSION A
AND B) COMPLETE 550 QUESTIONS WITH DETAILED
VERIFIED ANSWERS (100% CORRECT ANSWERS)
/ALREADY GRADED A+
What is the minimum NCRP requirement for lead equivalent content in protective
aprons? - ANSWER: 0.05 mm Pb
___ is used to account for the differences in ionizing characteristics of various
radiations, when determining their effect on biologic material? - ANSWER: Radiation
weighting factors (Wr)
Patient dose increases as fluoroscopic
A. FOV increases
B. FOV decreases
C. FSS increases
D. FSS decreases - ANSWER: FOV decreases
What type of personnel radiation dosimetry devices are typically sent to a lab for
measurements - ANSWER: Thermoluminescent & Optically Simulated luminescence
dosimeters
Occupational radiation monitoring is required when it is likely that an individual will
receive more than what fraction of the annual dose limit?
A. 1/2
B. 1/4
C. 1/10
D. 1/40 - ANSWER: 1/10
How can pt exposure be minimized? - ANSWER: Accurate positioning, High KV low
mAs & using an AEC
Minimum requirement for lead aprons, according to 21 CFR - ANSWER: 0.25 mm Pb
What two circumstances might require radiographer to wear two dosimeters? -
ANSWER: During pregnancy & performing vascular procedures
What is the feature that most xray imaging systems have that terminates exposure
once adequate exposure has been reached? - ANSWER: AEC
What is the purpose of filtration? - ANSWER: Decrease pt skin dose
, What two question should radiographers ask a female patient of childbearing age? -
ANSWER: Date of LMP & any chance of pregnancy
Lead aprons are worn during fluoroscopy to protect the radiographer from exposure
to radiation from
A. the photoelectric effect
B. compton scatter
C. classic scatter
D. pair production - ANSWER: Compton Scatter
How much protection is provided from a 100-kVp x-ray beam when using a 0.50-mm
lead-equivalent apron?
A. 40%
B. 75%
C. 88%
D. 99% - ANSWER: 75%
__ is the measurement of the rate at which energy is transferred from ionizing
radiation to soft tissue. - ANSWER: Linear Energy Transfer (LET)
What is workload? - ANSWER: term that refers to the # of xray examinations
performed weekly.
What component of personal dosimeters that evaluates radiation quality? -
ANSWER: Filters
Occupationally exposed personnel describes any individual employed in a role in
which they are likely to receive ___ % or more of the annual effective dose limit of
50 mSv - ANSWER: 10%
The annual dose limit for occupationally exposed individuals is valid for - ANSWER:
Beta, X- & gamma radiation
Occupational exposure received by the radiographer comes from which interaction -
ANSWER: Compton scatter
In order to reduce exposure to the lens, reproductive organs and breast what
projection is helpful to perform these examination - ANSWER: PA
Which type of dosimeter is are ring badges? - ANSWER: TLD
___ influences the average energy of the primary beam? - ANSWER: KVP, filtration &
Bremstrahlung interaction
What type of filtration is the xray tube glass envelope and its insulating oil? -
ANSWER: Inherent filtration
