DANB RHS Exam 1 Questions with 100%
Correct Answers
Storing unexposed radiographic film in high humidity conditions may cause
Film fog
The shorter the wavelength of electromagnetic radiation, the greater the
Energy
Which of the following radiograph techniques is recommended for a patient with a
shallow palate?
Bisecting
Which of the following landmarks are located by the midline of the mandible?
Genial tubercles
Which of the following should be labeled on the radiographic mount prior to film
duplication?
Right and left sides
When exposing radiographs, what is the minimum distance the operator should stand
from the tube head?
6 feet
Which of the following may cause film fogging?
Using expired film
A panoramic image appears to have a "reverse smile" when the
Frankfort plane is angled upward
,To assist the patient in controlling the gag reflex, the dental assistant should
Use a distraction technique
Somatic effects of radiation do NOT have damaging effects on
Offspring
When the tubehead drifts, the first step the dental assistant should take is to
Stop using the machine
What is the primary advantage in using digital radiography?
Reduces the radiation to patient
The best way to prevent cross-contamination from an exposed film packet is by
Using individual barrier envelopes
When radiographs are mounted with the embossed dot appearing outward, this is
known as
Facial mounting
While exposing x-ray films, radiation deflecting off the patient's head is called
Scatter radiation
Which of the following is a disposable intraoral x-ray film holder device?
Stabe®
The position-indicating device (PID) shape that most effectively reduces patient
exposure to radiation is
Rectangular
, Which of the following is most likely to cause a stored radiograph to turn brown over
time?
Underwashing
The annual maximum accumulated dose (MAD) of radiation for dental assistant is
based on which of the following calculations?
Age minus 18 times 5 rems/year
The amount of radiation and exposure time needed to produce a diagnostic radiograph
is best determined by
Film speed
Which of the following can be used to measure excessive occupational exposure?
Film badge
The endentulous radiographic series may include all of the following EXCEPT
Bitewings
Emulsion damage to a film is caused by
Improper handling of the film
When exposing a posterior periapical radiograph on an adult patient with no intraoral
restrictions, which size film should be used?
2
Dental healthcare personnel who are pregnant can expose radiographs during the
Entire pregnancy
The median palatal suture is visible on which of the following radiographs?
Correct Answers
Storing unexposed radiographic film in high humidity conditions may cause
Film fog
The shorter the wavelength of electromagnetic radiation, the greater the
Energy
Which of the following radiograph techniques is recommended for a patient with a
shallow palate?
Bisecting
Which of the following landmarks are located by the midline of the mandible?
Genial tubercles
Which of the following should be labeled on the radiographic mount prior to film
duplication?
Right and left sides
When exposing radiographs, what is the minimum distance the operator should stand
from the tube head?
6 feet
Which of the following may cause film fogging?
Using expired film
A panoramic image appears to have a "reverse smile" when the
Frankfort plane is angled upward
,To assist the patient in controlling the gag reflex, the dental assistant should
Use a distraction technique
Somatic effects of radiation do NOT have damaging effects on
Offspring
When the tubehead drifts, the first step the dental assistant should take is to
Stop using the machine
What is the primary advantage in using digital radiography?
Reduces the radiation to patient
The best way to prevent cross-contamination from an exposed film packet is by
Using individual barrier envelopes
When radiographs are mounted with the embossed dot appearing outward, this is
known as
Facial mounting
While exposing x-ray films, radiation deflecting off the patient's head is called
Scatter radiation
Which of the following is a disposable intraoral x-ray film holder device?
Stabe®
The position-indicating device (PID) shape that most effectively reduces patient
exposure to radiation is
Rectangular
, Which of the following is most likely to cause a stored radiograph to turn brown over
time?
Underwashing
The annual maximum accumulated dose (MAD) of radiation for dental assistant is
based on which of the following calculations?
Age minus 18 times 5 rems/year
The amount of radiation and exposure time needed to produce a diagnostic radiograph
is best determined by
Film speed
Which of the following can be used to measure excessive occupational exposure?
Film badge
The endentulous radiographic series may include all of the following EXCEPT
Bitewings
Emulsion damage to a film is caused by
Improper handling of the film
When exposing a posterior periapical radiograph on an adult patient with no intraoral
restrictions, which size film should be used?
2
Dental healthcare personnel who are pregnant can expose radiographs during the
Entire pregnancy
The median palatal suture is visible on which of the following radiographs?
