4/12/25, 7:10
PM
DENTAL RADIOLOGY EXAM QUESTIONS AND
ANWERS WITH COMPLETE SOLUTIONS
Practice questions for this set
Learn 1/7 Study using Learn
The location at which x-rays originate in the x-ray tubehead is called the?
Select the correct definition
1Copper stem 2Rotating anode
3Mandibular central inciser 4Tungsten target
Don't know?
Terms in this set (103)
in X-radiation, ionization occurs when? Photons penetrate matter
what are found in the nucleus of an atom? Protons and Neutrons
A Gray (rad)is defined as the unit of absorbed dose of radiation per gram of tissue
which cell type is most sensitive to Blood
carcinogenesis following porlonged
exposure to ionizing radiation?
What part of an atom that carries Electron
a negative charge?
1/
6
, 4/12/25, 7:10
PM
the biologic effect of ionizing radiation is Area Exposed, Dose rate, and Total dose
related to the?
Which Disease is associated with long- Leukemia
term, low level radiation exposure?
The x-rays that are most likely to be Of long wavelength
absorbed by the skin are x-rays that are
The time between exposure to x-rays Latent Period
and appearance of radiation damage is
called the?
The quantity (numbers) of radiation Milliamperage Setting
emitted is primarily dependent upon the?
The location at which x-rays originate in Tungsten target
the x-ray tubehead is called the?
The most dangerous time for a fetus to be First Trimester
exposed to x-radiation is during the?
If a radiographic film would be 20 mA
properly darkened in 2 seconds of
exposure at 10 mA, it would obtain the
same darkness in 1 second of
exposure at?
How often do the walls of the dental Never
operatory need to be treated in order
to remove any residual radiation that
has accumulated?
Compared to 75 kVp, a film produced at High Contrast, and a long gray scale
90 kVp will have?
photons that travel at the speed of light, photons that travel in a wave
Ionizing radiation consists of?
motion, photons without mass
use of minimum exposure time and mA necessary, and use of the fastest film
The Alara concept is related to the?
available
When the x-ray exits the position 2.75
indicating device, it should be no more
than how many inches in diameter?
When is it acceptable to allow the It is never acceptable to hold the film during exposure
operator to hold radiographic film for
a patient during exposure?
What is the primary purpose of the lead prevent fogging of the film
foil in an intraoral film packet?
According to the National Council of .1 rem
Radiation Protection standards, The
annual Maximum Permissible Dose (MVD)
of radiation for non- occupationally
exposed adult patients is?
The Collimator is composed of? Lead
If the operator cannot leave the room Stand 6 feet away at a 90-135 degree angle to the central beam
during radiographic exposure she
should?
an aluminum filter in a dental x-ray unit absorbs x-rays of long wavelengths
functions to?
Should be stored in a location that is away from all potential sources of ionizing
The "control" film badge?
radiation
2/
6
PM
DENTAL RADIOLOGY EXAM QUESTIONS AND
ANWERS WITH COMPLETE SOLUTIONS
Practice questions for this set
Learn 1/7 Study using Learn
The location at which x-rays originate in the x-ray tubehead is called the?
Select the correct definition
1Copper stem 2Rotating anode
3Mandibular central inciser 4Tungsten target
Don't know?
Terms in this set (103)
in X-radiation, ionization occurs when? Photons penetrate matter
what are found in the nucleus of an atom? Protons and Neutrons
A Gray (rad)is defined as the unit of absorbed dose of radiation per gram of tissue
which cell type is most sensitive to Blood
carcinogenesis following porlonged
exposure to ionizing radiation?
What part of an atom that carries Electron
a negative charge?
1/
6
, 4/12/25, 7:10
PM
the biologic effect of ionizing radiation is Area Exposed, Dose rate, and Total dose
related to the?
Which Disease is associated with long- Leukemia
term, low level radiation exposure?
The x-rays that are most likely to be Of long wavelength
absorbed by the skin are x-rays that are
The time between exposure to x-rays Latent Period
and appearance of radiation damage is
called the?
The quantity (numbers) of radiation Milliamperage Setting
emitted is primarily dependent upon the?
The location at which x-rays originate in Tungsten target
the x-ray tubehead is called the?
The most dangerous time for a fetus to be First Trimester
exposed to x-radiation is during the?
If a radiographic film would be 20 mA
properly darkened in 2 seconds of
exposure at 10 mA, it would obtain the
same darkness in 1 second of
exposure at?
How often do the walls of the dental Never
operatory need to be treated in order
to remove any residual radiation that
has accumulated?
Compared to 75 kVp, a film produced at High Contrast, and a long gray scale
90 kVp will have?
photons that travel at the speed of light, photons that travel in a wave
Ionizing radiation consists of?
motion, photons without mass
use of minimum exposure time and mA necessary, and use of the fastest film
The Alara concept is related to the?
available
When the x-ray exits the position 2.75
indicating device, it should be no more
than how many inches in diameter?
When is it acceptable to allow the It is never acceptable to hold the film during exposure
operator to hold radiographic film for
a patient during exposure?
What is the primary purpose of the lead prevent fogging of the film
foil in an intraoral film packet?
According to the National Council of .1 rem
Radiation Protection standards, The
annual Maximum Permissible Dose (MVD)
of radiation for non- occupationally
exposed adult patients is?
The Collimator is composed of? Lead
If the operator cannot leave the room Stand 6 feet away at a 90-135 degree angle to the central beam
during radiographic exposure she
should?
an aluminum filter in a dental x-ray unit absorbs x-rays of long wavelengths
functions to?
Should be stored in a location that is away from all potential sources of ionizing
The "control" film badge?
radiation
2/
6
