Dental Assisting Radiology Practice
Exam|100 questions with accurate
answers
A lead apron and a thyroid collar - -must be used on all patients for all
exposures
- A good technique for reducing the radiation exposure to both patient and
operator is the use of - -fast film or digital imaging
- A patient is concerned with radiation exposure. You can assure him that
your office uses the ALARA concept, which includes - -reducing the number
of exposures, minimizing retakes, keeping exposure levels as low as possible
- All of the following structures will appear radiolucent on dental x-ray film
except - -metal restorations
- An example of cumulative radiation exposure is - -cataracts, leukemia,
cancer
- Anything that occupies space and has a form or shape is - -matter
- Because the entire x-ray area is considered a radiation hazard area, a
radiation hazard sign must be posted in - -sight of patients, and sight of
personnel
- Chronic radiation exposure occurs when _______ dose of radiation is
received over a _______time period - -small; long
- Damage caused by ionizing x-radiation to genetic cells: - -can affect future
generations
- Damage to which type of cell is passed on to future generations? - -
genetic cell
- Exposure to radiation: - -no matter how small, has the potential to cause
harmful biologic change
- How much filtration is federally required for a dental x-ray machine
operating over 70 kVp? - -2.5 mm
- One of the rules of radiation protection is never stand closer than _____ feet
from the x-ray unit during an exposure - -6
, - Primary radiation is: - -also called the useful beam, the beam of x-ray that
comes from the target
- Secondary radiation: - -refer to x-radiation that is created when the
primary beam interacts with matter
- The Guidelines for Prescribing Dental Radiographs issued by the ADA and
the FDA recommend which of the following dental imaging procedures for a
pregnant patient? - -Radiographic imaging procedures do not need to be
altered because of pregnancy
- The maximum permissible dose for an occupational worker for an
individual 18 years of age or older is _____rem/year - -5
- The x-ray was discovered on November 8, 1895, by: - -Wilhelm Conrad
Roentgen
- Who should hold the film in a patient's mouth if the patient is unable to do
so? - -Parent or relative of the patient
- When the matter switch is on: - -the electron cloud is emitted
- An extraoral dental x-ray film is: - -more sensitive to light than intraoral
film
- Automatic film processing requires _____than manual film processing does -
-less equipment
- Dental film holders, used to position and hold the dental x-ray films in the
patient's mouth, include: - -XPC and disposable block, EeZee-Grip and
EndoRay
- Film speed is determined by the: - -thickness of silver bromide salt, and
size of the silver bromide crystals
- The correct order of steps in manual film processing is: - -develop. rinse,
fix, wash
- The extraoral film placed outside the mouth during x-ray exposure is: - -
panoramic
- The idea time and temperature for manual developing is: - -5 minutes at
68 degrees C
- The most commonly used film size for adult intraoral dentistry is size: - -
#2
Exam|100 questions with accurate
answers
A lead apron and a thyroid collar - -must be used on all patients for all
exposures
- A good technique for reducing the radiation exposure to both patient and
operator is the use of - -fast film or digital imaging
- A patient is concerned with radiation exposure. You can assure him that
your office uses the ALARA concept, which includes - -reducing the number
of exposures, minimizing retakes, keeping exposure levels as low as possible
- All of the following structures will appear radiolucent on dental x-ray film
except - -metal restorations
- An example of cumulative radiation exposure is - -cataracts, leukemia,
cancer
- Anything that occupies space and has a form or shape is - -matter
- Because the entire x-ray area is considered a radiation hazard area, a
radiation hazard sign must be posted in - -sight of patients, and sight of
personnel
- Chronic radiation exposure occurs when _______ dose of radiation is
received over a _______time period - -small; long
- Damage caused by ionizing x-radiation to genetic cells: - -can affect future
generations
- Damage to which type of cell is passed on to future generations? - -
genetic cell
- Exposure to radiation: - -no matter how small, has the potential to cause
harmful biologic change
- How much filtration is federally required for a dental x-ray machine
operating over 70 kVp? - -2.5 mm
- One of the rules of radiation protection is never stand closer than _____ feet
from the x-ray unit during an exposure - -6
, - Primary radiation is: - -also called the useful beam, the beam of x-ray that
comes from the target
- Secondary radiation: - -refer to x-radiation that is created when the
primary beam interacts with matter
- The Guidelines for Prescribing Dental Radiographs issued by the ADA and
the FDA recommend which of the following dental imaging procedures for a
pregnant patient? - -Radiographic imaging procedures do not need to be
altered because of pregnancy
- The maximum permissible dose for an occupational worker for an
individual 18 years of age or older is _____rem/year - -5
- The x-ray was discovered on November 8, 1895, by: - -Wilhelm Conrad
Roentgen
- Who should hold the film in a patient's mouth if the patient is unable to do
so? - -Parent or relative of the patient
- When the matter switch is on: - -the electron cloud is emitted
- An extraoral dental x-ray film is: - -more sensitive to light than intraoral
film
- Automatic film processing requires _____than manual film processing does -
-less equipment
- Dental film holders, used to position and hold the dental x-ray films in the
patient's mouth, include: - -XPC and disposable block, EeZee-Grip and
EndoRay
- Film speed is determined by the: - -thickness of silver bromide salt, and
size of the silver bromide crystals
- The correct order of steps in manual film processing is: - -develop. rinse,
fix, wash
- The extraoral film placed outside the mouth during x-ray exposure is: - -
panoramic
- The idea time and temperature for manual developing is: - -5 minutes at
68 degrees C
- The most commonly used film size for adult intraoral dentistry is size: - -
#2
