RADIOGRAPHY BOARD ARRT LATEST VERSION 2025/2026
ACTUAL COMPLETE REAL EXAM QUESTION AND CORRECT
ANSWERS (VERIFIED ANSWERS ) .
When would a patient's whole body be exposed to radiation? -
ANSWER-When outdoors in the sun, or during a nuclear
accident or nuclear war
Identify and order the four stages of exposure. - ANSWER-
exposure, latent period, period of injury, period of recover
What is meant by latent period? - ANSWER-time between
exposure and visible effects
If damaged, how long does it take genetic cells to repair? -
ANSWER-genetic cells do not repair
Should a dental assistant be more concerned with acute
exposures or chronic exposures? - ANSWER-chronic exposures
What are the two best ways to limit the amount of radiation
exposure to a patient? - ANSWER-- make exposures only
when there is a diagnostic need - use the fastest film
possible
,What is the function of a filter? - ANSWER-remove longer
wavelength or soft xrays from the primary beam
When exposing bite wing film, the cone should be pointed down
about 15 to 18 degrees - ANSWER-false
Assistant must have added qualified in dental radiography or be
on trainee status Dentist must order the films Dentist must
provide supervision - ANSWER-Under what conditions can a
dental assistant take radiographs?
abnormalities in surrounding hard and soft tissues - ANSWER-
The uses of dental images include the detection of:
no matter how small, has the potential to cause harmful biologic
changes - ANSWER-Exposure to radiation:
An atom - ANSWER-Which of the following is the basic form of
matter?
shorter - ANSWER-In dentistry, the __________ the wavelengths
of the x-rays, the greater their energy and their usefulness
x-ray tube - ANSWER-The heart of the x-ray generating system is
the:
,radiolucent; radiopaque - ANSWER-The term ____________ is
used to describe areas that appear dark on the image;
___________ is the term used to describe areas that appear
white or light gray.
contrast - ANSWER-The range of shades of gray between black
and white on an image is called:
milliampere seconds - ANSWER-The degree of density or
blackness on an image is controlled by the:
can affect future generations - ANSWER-Damage caused by
ionizing x-radiation to genetic cells:
Bone marrow - ANSWER-Which of the following tissues has the
highest radiation sensitivity?
Radiographic imaging procedures do not need to be altered
because of pregnancy - ANSWER-The Guidelines for Prescribing
Dental Radiographs issued by the American Dental Association
and the FDA recommend which of the following dental imaging
procedures for a pregnant patient?
, 6 - ANSWER-One of the rules of radiation protection is never
stand closer than ______ feet from the x-ray unit during an
exposure unless you are behind a barrier.
cathode - ANSWER-The portion of the x-ray machine that
supplies the electrons to produce x-rays is the:
kilovoltage setting - ANSWER-The penetrating power of the x-ray
beam is controlled by the settings on the:
restrict the size and shape of the primary beam - ANSWER-The
lead collimator is used to:
2.50 mm - ANSWER-How much filtration is federally required for
a dental x-ray machine operating over 70 kVp?
Quality - ANSWER-Which of the following terms is used to
describe the energy or penetrating ability of the x-ray beam in
dental radiography?
muscle - ANSWER-All of the following organs are more sensitive
to radiation and are considered critical organs except:
5 - ANSWER-The maximum permissible dose for an occupational
worker for an individual 18 years of age or older is _____
rem/year.
ACTUAL COMPLETE REAL EXAM QUESTION AND CORRECT
ANSWERS (VERIFIED ANSWERS ) .
When would a patient's whole body be exposed to radiation? -
ANSWER-When outdoors in the sun, or during a nuclear
accident or nuclear war
Identify and order the four stages of exposure. - ANSWER-
exposure, latent period, period of injury, period of recover
What is meant by latent period? - ANSWER-time between
exposure and visible effects
If damaged, how long does it take genetic cells to repair? -
ANSWER-genetic cells do not repair
Should a dental assistant be more concerned with acute
exposures or chronic exposures? - ANSWER-chronic exposures
What are the two best ways to limit the amount of radiation
exposure to a patient? - ANSWER-- make exposures only
when there is a diagnostic need - use the fastest film
possible
,What is the function of a filter? - ANSWER-remove longer
wavelength or soft xrays from the primary beam
When exposing bite wing film, the cone should be pointed down
about 15 to 18 degrees - ANSWER-false
Assistant must have added qualified in dental radiography or be
on trainee status Dentist must order the films Dentist must
provide supervision - ANSWER-Under what conditions can a
dental assistant take radiographs?
abnormalities in surrounding hard and soft tissues - ANSWER-
The uses of dental images include the detection of:
no matter how small, has the potential to cause harmful biologic
changes - ANSWER-Exposure to radiation:
An atom - ANSWER-Which of the following is the basic form of
matter?
shorter - ANSWER-In dentistry, the __________ the wavelengths
of the x-rays, the greater their energy and their usefulness
x-ray tube - ANSWER-The heart of the x-ray generating system is
the:
,radiolucent; radiopaque - ANSWER-The term ____________ is
used to describe areas that appear dark on the image;
___________ is the term used to describe areas that appear
white or light gray.
contrast - ANSWER-The range of shades of gray between black
and white on an image is called:
milliampere seconds - ANSWER-The degree of density or
blackness on an image is controlled by the:
can affect future generations - ANSWER-Damage caused by
ionizing x-radiation to genetic cells:
Bone marrow - ANSWER-Which of the following tissues has the
highest radiation sensitivity?
Radiographic imaging procedures do not need to be altered
because of pregnancy - ANSWER-The Guidelines for Prescribing
Dental Radiographs issued by the American Dental Association
and the FDA recommend which of the following dental imaging
procedures for a pregnant patient?
, 6 - ANSWER-One of the rules of radiation protection is never
stand closer than ______ feet from the x-ray unit during an
exposure unless you are behind a barrier.
cathode - ANSWER-The portion of the x-ray machine that
supplies the electrons to produce x-rays is the:
kilovoltage setting - ANSWER-The penetrating power of the x-ray
beam is controlled by the settings on the:
restrict the size and shape of the primary beam - ANSWER-The
lead collimator is used to:
2.50 mm - ANSWER-How much filtration is federally required for
a dental x-ray machine operating over 70 kVp?
Quality - ANSWER-Which of the following terms is used to
describe the energy or penetrating ability of the x-ray beam in
dental radiography?
muscle - ANSWER-All of the following organs are more sensitive
to radiation and are considered critical organs except:
5 - ANSWER-The maximum permissible dose for an occupational
worker for an individual 18 years of age or older is _____
rem/year.
