ASRT EXAM 3 NEWEST 2024 ACTUAL EXAM COMPLETE 170 QUESTIONS AND CORRECT DETAILED
ANSWERS
Electronic systems used to identify patients must have at least _____ methods for independent
confirmation.
one
two
three
four - (answer) two
Which principle interaction in x-ray production accounts for approximately 75% to 80% of the tubes
output and is produced by the sudden deceleration of the high-speed electron as it is deflected around
the nucleus of an atom?
characteristic
Compton scatter
bremsstrahlung
pair production - (answer) bremsstrahlung
What is a common radiation treatment for mycosis fungoides?
Total Body Irradiation (TBI)
Total Skin Irradiation (TSI)
Stereotactic radiotherapy - (answer) Total Skin Irradiation (TSI)
For a member of the general public, the maximum exposure of radiation should not exceed ________?
50 mrem/year
100 mrem/year
150 mrem/year
200 mrem/year - (answer) 100 mrem/year
The term used to describe table movement per rotation divided by slice thickness is:
Voxel
Hounsfield unit
,ASRT EXAM 3 NEWEST 2024 ACTUAL EXAM COMPLETE 170 QUESTIONS AND CORRECT DETAILED
ANSWERS
Roll
Pitch - (answer) Pitch
Indirect action of radiation is the result of the ionization of ___________ surrounding the cell.
proteins
enzymes
water
DNA - (answer) water
___________ is the ethical theory that bases decisions on individual motives and morals.
Teleology
Consequentialism
Deontology
Virtue - (answer) Deontology
Under the new standards (NCRP Report No. 91), an effective dose equivalent limit of ____rem/year for
occupational exposure is recommended.
5
25
35
40 - (answer) 5
What is the basis of a pixel in digital imaging?
Volume elements
Three-dimensional
Picture elements
Used in MRI - (answer) Picture elements
, ASRT EXAM 3 NEWEST 2024 ACTUAL EXAM COMPLETE 170 QUESTIONS AND CORRECT DETAILED
ANSWERS
The result of indirect action produces an ___________ and _________.
ion pair, free radicals
electron, enzymes
ion pair, enzymes
proton, free radicals - (answer) ion pair, free radicals
The parameters for the radiation therapist's scope of practice is found in the ASRT _________________.
Practice Standards
Code of Ethics
Mission Statement
Regulations - (answer) Practice Standards
The maximum field size the linear accelerator can treat at 100 cm is 40 x 40 cm. The physician wants to
treat a whole femur in one field, but the length is 52 cm. What treatment distance would you need to
treat
the femur in one field?
77 cm
90 cm
115 cm
130 cm - (answer)
The component of the CT scanner that converts light to an electronic signal is the:
X-ray tube
Detector array
Photodiode assembly
Slip ring - (answer) Photodiode assembly
When would a wedge be used in a treatment field?
ANSWERS
Electronic systems used to identify patients must have at least _____ methods for independent
confirmation.
one
two
three
four - (answer) two
Which principle interaction in x-ray production accounts for approximately 75% to 80% of the tubes
output and is produced by the sudden deceleration of the high-speed electron as it is deflected around
the nucleus of an atom?
characteristic
Compton scatter
bremsstrahlung
pair production - (answer) bremsstrahlung
What is a common radiation treatment for mycosis fungoides?
Total Body Irradiation (TBI)
Total Skin Irradiation (TSI)
Stereotactic radiotherapy - (answer) Total Skin Irradiation (TSI)
For a member of the general public, the maximum exposure of radiation should not exceed ________?
50 mrem/year
100 mrem/year
150 mrem/year
200 mrem/year - (answer) 100 mrem/year
The term used to describe table movement per rotation divided by slice thickness is:
Voxel
Hounsfield unit
,ASRT EXAM 3 NEWEST 2024 ACTUAL EXAM COMPLETE 170 QUESTIONS AND CORRECT DETAILED
ANSWERS
Roll
Pitch - (answer) Pitch
Indirect action of radiation is the result of the ionization of ___________ surrounding the cell.
proteins
enzymes
water
DNA - (answer) water
___________ is the ethical theory that bases decisions on individual motives and morals.
Teleology
Consequentialism
Deontology
Virtue - (answer) Deontology
Under the new standards (NCRP Report No. 91), an effective dose equivalent limit of ____rem/year for
occupational exposure is recommended.
5
25
35
40 - (answer) 5
What is the basis of a pixel in digital imaging?
Volume elements
Three-dimensional
Picture elements
Used in MRI - (answer) Picture elements
, ASRT EXAM 3 NEWEST 2024 ACTUAL EXAM COMPLETE 170 QUESTIONS AND CORRECT DETAILED
ANSWERS
The result of indirect action produces an ___________ and _________.
ion pair, free radicals
electron, enzymes
ion pair, enzymes
proton, free radicals - (answer) ion pair, free radicals
The parameters for the radiation therapist's scope of practice is found in the ASRT _________________.
Practice Standards
Code of Ethics
Mission Statement
Regulations - (answer) Practice Standards
The maximum field size the linear accelerator can treat at 100 cm is 40 x 40 cm. The physician wants to
treat a whole femur in one field, but the length is 52 cm. What treatment distance would you need to
treat
the femur in one field?
77 cm
90 cm
115 cm
130 cm - (answer)
The component of the CT scanner that converts light to an electronic signal is the:
X-ray tube
Detector array
Photodiode assembly
Slip ring - (answer) Photodiode assembly
When would a wedge be used in a treatment field?
