DANB RHS Questions with 100% Correct
Answers
The dense radiopaque band that outlines the edge of a mandibular image is the
inferior border
What radiographic technique is recommended for a patient with a shallow palate?
bisecting
Which organization regulates the manufacturing and installation of x-ray equipment?
federal government
Which organization regulates disinfectants and chemical sterilants?
EPA (Environmental Protection Agency)
What causes light-colored radiographs?
underexposure
When taking an occlusal radiograph, the PSP packet should extend from the patient's
mouth by approximately
1/8-1/4 inches
Leakage radiation is any radiation that is from what?
from the primary beam
Which radiolucency may be mistaken for caries?
cervical burnout
Which landmark is seen in a maxillary anterior periapical image?
,incisive foramen
If a patient's gag reflex is stimulated during the radiographic procedure,
apply distraction techniques to divert his or her attention
Which size image receptor is used for an adult posterior periapical film?
2
The most important responsibility of the dental radiography operator is
implementing ALARA principle
How do most carious lesions appear on an image?
radiolucent
The total destruction of microorganisms and spores on reusable instruments is
accomplished by
sterilization
The Frankfort Plane is an imaginary plane passing through the
external auditory meatus to the floor of the orbit
What is the time between patient exposure to radiation and the appearance of biological
damage called?
latent period
What are common uses for a CBCT 3D image?
determining bone structure and tooth orientation
Contrast in a digital image is primarily controlled by
, kVp
The edentulous radiographic series may include all the following EXCEPT
bitewings
Foreshortening of the maxillary radiographic image results from
increased vertical angulation
The most common radiographic exposure used to evaluate a dental implant on an adult
is
periapical
Before exposing radiographs on a minor,
obtain consent from parent or legal guardian
What is the primary function of collimation?
restrict the size of the beam
Who is most susceptible to radiation damage?
infants
Which cells exposed to radiation may be associated with leukemia?
somatic
The Buccal Object Rule is used to determine if a foreign body is located in which
direction?
lingual to buccal
A panoramic image appears to have a "reverse smile" when the
Answers
The dense radiopaque band that outlines the edge of a mandibular image is the
inferior border
What radiographic technique is recommended for a patient with a shallow palate?
bisecting
Which organization regulates the manufacturing and installation of x-ray equipment?
federal government
Which organization regulates disinfectants and chemical sterilants?
EPA (Environmental Protection Agency)
What causes light-colored radiographs?
underexposure
When taking an occlusal radiograph, the PSP packet should extend from the patient's
mouth by approximately
1/8-1/4 inches
Leakage radiation is any radiation that is from what?
from the primary beam
Which radiolucency may be mistaken for caries?
cervical burnout
Which landmark is seen in a maxillary anterior periapical image?
,incisive foramen
If a patient's gag reflex is stimulated during the radiographic procedure,
apply distraction techniques to divert his or her attention
Which size image receptor is used for an adult posterior periapical film?
2
The most important responsibility of the dental radiography operator is
implementing ALARA principle
How do most carious lesions appear on an image?
radiolucent
The total destruction of microorganisms and spores on reusable instruments is
accomplished by
sterilization
The Frankfort Plane is an imaginary plane passing through the
external auditory meatus to the floor of the orbit
What is the time between patient exposure to radiation and the appearance of biological
damage called?
latent period
What are common uses for a CBCT 3D image?
determining bone structure and tooth orientation
Contrast in a digital image is primarily controlled by
, kVp
The edentulous radiographic series may include all the following EXCEPT
bitewings
Foreshortening of the maxillary radiographic image results from
increased vertical angulation
The most common radiographic exposure used to evaluate a dental implant on an adult
is
periapical
Before exposing radiographs on a minor,
obtain consent from parent or legal guardian
What is the primary function of collimation?
restrict the size of the beam
Who is most susceptible to radiation damage?
infants
Which cells exposed to radiation may be associated with leukemia?
somatic
The Buccal Object Rule is used to determine if a foreign body is located in which
direction?
lingual to buccal
A panoramic image appears to have a "reverse smile" when the