MOCK RHS EXAM QUESTIONS & ANSWERS
Which test film result indicates that the automatic processor is functioning properly? -
Answers - The unexposed film is clear and dry.
A periapical view extends beyond the apices of the tooth: - Answers - 2 to 3 mm.
Which exposure is particularly beneficial to the orthodontic patient? - Answers -
Cephalometric.
Dental x-rays are which type of radiation? - Answers - Electromagnetic.
The dental assistant tests four films, from four different shipments, as part of a quality
control measure; each is unwrapped in the darkroom and processed with fresh
chemicals. Which box of film is safe to use? - Answers - Box 1: processed test film is
clear with a light blue tint.
Which is an extension of the x-ray tubehead used to direct the x-ray beam? - Answers -
Position indicating device (PID)
A fogged film appears: - Answers - Gray and lacks detail and contrast.
Dental x-rays do NOT: - Answers - Make atoms radioactive.
According to the Consumer-Patient Radiation Health and Safety Act, individuals who
take dental radiographs must be: - Answers - Trained and certified.
Which maintains aseptic technique when removing the patient's lead apron? - Answers
- Don overgloves to remove the lead apron.
Rules of radiation protection for the operator include all except: - Answers - Never
stand closer than 3 feet from the x-ray unit during an exposure.
Failure to add replenisher, as needed each day, to an automatic processor will result in:
- Answers - Poor-quality films.
Dental x-rays travel: - Answers - With a wavelike motion.
Gloves are NOT worn in which step? - Answers - Load the PSP plates into the
scanning device.
Which radiograph is prescribed for the evaluation of the skeletal structures of the face? -
Answers - Cephalometric
, Extraoral images are recommended for evaluating: - Answers - Large areas of the jaw.
A darkroom safelight must be mounted at least _____ feet from the work surface. -
Answers - 4.
Skull radiography is most commonly used in: - Answers - Oral surgery and
orthodontics.
The effect of radiation exposure is: - Answers - Cumulative.
Which is true? - Answers - Duplicating film is never exposed to x-rays.
Which produces a three-dimensional radiographic image? - Answers - Cone beam
computed tomography.
The patient is exposed to the least amount of radiation possible according to: - Answers
- The ALARA principle.
Size 3 film is ________ and is used only for ________ images. - Answers - Longer and
Narrower: bitewing.
Dental personnel should strive to curb the occupational dose of radiation to: - Answers
- 0.0 rems/year.
Intraoral digital sensors: - Answers - Cannot withstand heat sterilization.
Which film speed is NOT used in intraoral dental radiography? - Answers - C
Radiographs are NOT used in an oral diagnosis to detect: - Answers - Malocclusion.
When x-rays contact matter, which occurs most frequently? - Answers - Compton
scatter.
The hardening agent(s) in processing fixer is (are): - Answers - Potassium alum.
Which solution is best suited to preventing ghost images? - Answers - Ask the patient
to remove all metal objects from head and neck before positioning.
The patient forgets to press her tongue against the hard palate during exposure of a
panoramic film. The resulting image will likely exhibit which feature? - Answers - A dark
radiolucent shadow that obscures the apices of the maxillary teeth
Which statement is true? - Answers - The dentist is ultimately responsible for the
diagnostic quality of all radiographs exposed in his or her office.
Which test film result indicates that the automatic processor is functioning properly? -
Answers - The unexposed film is clear and dry.
A periapical view extends beyond the apices of the tooth: - Answers - 2 to 3 mm.
Which exposure is particularly beneficial to the orthodontic patient? - Answers -
Cephalometric.
Dental x-rays are which type of radiation? - Answers - Electromagnetic.
The dental assistant tests four films, from four different shipments, as part of a quality
control measure; each is unwrapped in the darkroom and processed with fresh
chemicals. Which box of film is safe to use? - Answers - Box 1: processed test film is
clear with a light blue tint.
Which is an extension of the x-ray tubehead used to direct the x-ray beam? - Answers -
Position indicating device (PID)
A fogged film appears: - Answers - Gray and lacks detail and contrast.
Dental x-rays do NOT: - Answers - Make atoms radioactive.
According to the Consumer-Patient Radiation Health and Safety Act, individuals who
take dental radiographs must be: - Answers - Trained and certified.
Which maintains aseptic technique when removing the patient's lead apron? - Answers
- Don overgloves to remove the lead apron.
Rules of radiation protection for the operator include all except: - Answers - Never
stand closer than 3 feet from the x-ray unit during an exposure.
Failure to add replenisher, as needed each day, to an automatic processor will result in:
- Answers - Poor-quality films.
Dental x-rays travel: - Answers - With a wavelike motion.
Gloves are NOT worn in which step? - Answers - Load the PSP plates into the
scanning device.
Which radiograph is prescribed for the evaluation of the skeletal structures of the face? -
Answers - Cephalometric
, Extraoral images are recommended for evaluating: - Answers - Large areas of the jaw.
A darkroom safelight must be mounted at least _____ feet from the work surface. -
Answers - 4.
Skull radiography is most commonly used in: - Answers - Oral surgery and
orthodontics.
The effect of radiation exposure is: - Answers - Cumulative.
Which is true? - Answers - Duplicating film is never exposed to x-rays.
Which produces a three-dimensional radiographic image? - Answers - Cone beam
computed tomography.
The patient is exposed to the least amount of radiation possible according to: - Answers
- The ALARA principle.
Size 3 film is ________ and is used only for ________ images. - Answers - Longer and
Narrower: bitewing.
Dental personnel should strive to curb the occupational dose of radiation to: - Answers
- 0.0 rems/year.
Intraoral digital sensors: - Answers - Cannot withstand heat sterilization.
Which film speed is NOT used in intraoral dental radiography? - Answers - C
Radiographs are NOT used in an oral diagnosis to detect: - Answers - Malocclusion.
When x-rays contact matter, which occurs most frequently? - Answers - Compton
scatter.
The hardening agent(s) in processing fixer is (are): - Answers - Potassium alum.
Which solution is best suited to preventing ghost images? - Answers - Ask the patient
to remove all metal objects from head and neck before positioning.
The patient forgets to press her tongue against the hard palate during exposure of a
panoramic film. The resulting image will likely exhibit which feature? - Answers - A dark
radiolucent shadow that obscures the apices of the maxillary teeth
Which statement is true? - Answers - The dentist is ultimately responsible for the
diagnostic quality of all radiographs exposed in his or her office.
