ARRT PRACTICE EXAM – CORE WITH
CORRECT ANSWERS 2025
Which of the following statements are correct regarding the link between
radiation
and genetic
dose
effects?
1. The link has been demonstrated in human
2. The link has been demonstrated in animal
studies.
studies.
3. Increased risk to humans cannot be predicted with respect to an
individual.
answers - 2- and
correct
3
only
Which of the following changes in kabob will result in the greatest
reduction
dose whenofmAs patient
is adjusted to compensate for the
A. Decrease kVp by
change?
30%
B. Decrease kVp by
15%
C. Increase kVp by
15%
D. Increase kVp by 30% - correct answers - D. Increase kVp
by 30%
Which of the following IR system speeds will result in the lowest patient
dose? - correct
answers - B. Faster-speed IR
system
What is the primary purpose of using gonad shields during
radiography?
answers - Reduce- correct
the likelihood of genetic
effects
Which of the following are types of gonad
1.
shields?
Aperture
2.
3. Shadow - correct answers - 2 and 3
Contact
only
When should gonad shielding be used? - correct answers - When the gonads
are
5 cmwithin
of the radiation
field.
The greatest cause of unnecessary radiation to patients that can be
controlled
limited operator
by theis: - correct answers - repeat
exposures
The limited operator can reduce repeat exposures by: - correct
answers - clearly
instructing
patients
How does x-ray beam restriction minimize patient exposure? - correct
the radiation
answers field to the area of
- It limits
interest.
, What is a device that allows the limited operator to vary the size of the
radiation
correct answers
field? - -
Collimator
How does filtration reduce patient exposure? - correct answers -
Removes longer-
wavelength
photons
What is the NCRP recommendation for the amount of total filtration? -
correct
2.5 mmanswers
AL -
equiv
What are the three principal methods used to protect limited
operators from
unnecessary radiation exposure? - correct answers - Time, distance,
shielding
Which of the following is not a type of personal radiation
A.
shielding?
Apron
B.
Glove
C. Thyroid
shield
D. Shadow - correct answers -
Shadow
Personnel shielding must be worn on the rare occasion during which
operator
the limitedmay need to remain in the radiographic room during an exposure
to assistinthe
patient maintaining the proper position. What is the source of the
greatestunder
hazard radiation
this circumstance? - correct answers - Scattered radiation from
the patient
What is the term for radiation that escapes from the x-ray tube
housing?--Leakage
answers correct
radiation
Why are limited operators prohibited from activities that result in direct
exposurex-ray
primary to thebeam? - correct answers - They are considered
occupationally exposed
individual
s.
Distance, as a method used to limit operator exposure, means that: -
correct
the operator
answers should
- maximize the distance from the source during an
exposure.
shielding worn for personnel protection is designed to attenuate
what source
exposure of
- correct answers - Scatter
radiation
Which of the following is an acronym for a common type of personnel
dosimeter?
correct answers
- -
TLD
What is the recommended placement for a personnel dosimeter on the
body of operator?
limited the - correct answers - The badge should be worn in the
regionon
collar of the
the anterior surface of the body and outside the lead
apron, if worn.
What is the NCRP recommended annual effective dose limit for occupational
exposure?
- correct answers - 5.0 rem
(0.05 Sv)
CORRECT ANSWERS 2025
Which of the following statements are correct regarding the link between
radiation
and genetic
dose
effects?
1. The link has been demonstrated in human
2. The link has been demonstrated in animal
studies.
studies.
3. Increased risk to humans cannot be predicted with respect to an
individual.
answers - 2- and
correct
3
only
Which of the following changes in kabob will result in the greatest
reduction
dose whenofmAs patient
is adjusted to compensate for the
A. Decrease kVp by
change?
30%
B. Decrease kVp by
15%
C. Increase kVp by
15%
D. Increase kVp by 30% - correct answers - D. Increase kVp
by 30%
Which of the following IR system speeds will result in the lowest patient
dose? - correct
answers - B. Faster-speed IR
system
What is the primary purpose of using gonad shields during
radiography?
answers - Reduce- correct
the likelihood of genetic
effects
Which of the following are types of gonad
1.
shields?
Aperture
2.
3. Shadow - correct answers - 2 and 3
Contact
only
When should gonad shielding be used? - correct answers - When the gonads
are
5 cmwithin
of the radiation
field.
The greatest cause of unnecessary radiation to patients that can be
controlled
limited operator
by theis: - correct answers - repeat
exposures
The limited operator can reduce repeat exposures by: - correct
answers - clearly
instructing
patients
How does x-ray beam restriction minimize patient exposure? - correct
the radiation
answers field to the area of
- It limits
interest.
, What is a device that allows the limited operator to vary the size of the
radiation
correct answers
field? - -
Collimator
How does filtration reduce patient exposure? - correct answers -
Removes longer-
wavelength
photons
What is the NCRP recommendation for the amount of total filtration? -
correct
2.5 mmanswers
AL -
equiv
What are the three principal methods used to protect limited
operators from
unnecessary radiation exposure? - correct answers - Time, distance,
shielding
Which of the following is not a type of personal radiation
A.
shielding?
Apron
B.
Glove
C. Thyroid
shield
D. Shadow - correct answers -
Shadow
Personnel shielding must be worn on the rare occasion during which
operator
the limitedmay need to remain in the radiographic room during an exposure
to assistinthe
patient maintaining the proper position. What is the source of the
greatestunder
hazard radiation
this circumstance? - correct answers - Scattered radiation from
the patient
What is the term for radiation that escapes from the x-ray tube
housing?--Leakage
answers correct
radiation
Why are limited operators prohibited from activities that result in direct
exposurex-ray
primary to thebeam? - correct answers - They are considered
occupationally exposed
individual
s.
Distance, as a method used to limit operator exposure, means that: -
correct
the operator
answers should
- maximize the distance from the source during an
exposure.
shielding worn for personnel protection is designed to attenuate
what source
exposure of
- correct answers - Scatter
radiation
Which of the following is an acronym for a common type of personnel
dosimeter?
correct answers
- -
TLD
What is the recommended placement for a personnel dosimeter on the
body of operator?
limited the - correct answers - The badge should be worn in the
regionon
collar of the
the anterior surface of the body and outside the lead
apron, if worn.
What is the NCRP recommended annual effective dose limit for occupational
exposure?
- correct answers - 5.0 rem
(0.05 Sv)
