PRACTICE TEST FOR DANB RHS | Questions And Answers Latest {2024- 2025} A+
Graded | 100% Verified
Compared to a dentulous patient, radiographic exposure time on an edentulous adult patient should -
decrease
Inside the film packet, the film is wrapped with a/an - black paper sheet.
Which of the following cells exposed to radiation may be associated with leukemia? - Somatic
Personnel monitoring for radiation exposure is done by - wearing a dosimeter.
For x-ray machines operating in ranges at or below 70 kVp, the total aluminum equivalent filtration must
be a minimum of - 1.5 mm.
Film should be stored in - its original lead-wrapped packaging.
Prior to exposing dental radiographs on a visually impaired patient, the dental assistant should - use
touch to explain the equipment and procedure
To assist the patient in controlling the gag reflex, the dental assistant should - use a distraction
technique.
If a patient did not remove earrings prior to exposing a panoramic, the radiograph could have - ghost
images.
Dental assistants exposing x-rays can best be protected from scatter radiation by - standing behind a
lead barrier.
Which of the following affects the speed of the electrons emitted from the tubehead? - kVp
, A step wedge can be used to demonstrate - film contrast.
Which of the following affects the quantity of x-rays being emitted from the tubehead? - mA
Dental healthcare personnel can BEST shield themselves from radiation during patient exposure by
standing behind - a drywall barrier.
The most common artificial radiation exposure comes from - medical radiation.
Which of the following landmarks is useful when mounting films in the maxillary posterior area? - Floor
of the maxillary sinus
Radiation injury can be measured by - dose rate.
Which of the following radiograph techniques is recommended for a patient with a shallow palate? -
Bisecting
Most bilateral findings in radiographs are considered - normal anatomic landmarks.
When taking radiographs on a small child who cannot hold the film intra-orally, the dental assistant
should - ask a parent or guardian to hold the film.
The BEST radiograph to evaluate a suspected salivary stone in the submandibular gland is a/an - occlusal
To produce ionizing radiation, an atom must - add an electron.
According to the inverse square law, when changing the PID length from 8 to 16 inches, the beam's
intensity is - 1/4 as intense
The amount of radiation and exposure time needed to produce a diagnostic radiograph is best
determined by - film speed
Graded | 100% Verified
Compared to a dentulous patient, radiographic exposure time on an edentulous adult patient should -
decrease
Inside the film packet, the film is wrapped with a/an - black paper sheet.
Which of the following cells exposed to radiation may be associated with leukemia? - Somatic
Personnel monitoring for radiation exposure is done by - wearing a dosimeter.
For x-ray machines operating in ranges at or below 70 kVp, the total aluminum equivalent filtration must
be a minimum of - 1.5 mm.
Film should be stored in - its original lead-wrapped packaging.
Prior to exposing dental radiographs on a visually impaired patient, the dental assistant should - use
touch to explain the equipment and procedure
To assist the patient in controlling the gag reflex, the dental assistant should - use a distraction
technique.
If a patient did not remove earrings prior to exposing a panoramic, the radiograph could have - ghost
images.
Dental assistants exposing x-rays can best be protected from scatter radiation by - standing behind a
lead barrier.
Which of the following affects the speed of the electrons emitted from the tubehead? - kVp
, A step wedge can be used to demonstrate - film contrast.
Which of the following affects the quantity of x-rays being emitted from the tubehead? - mA
Dental healthcare personnel can BEST shield themselves from radiation during patient exposure by
standing behind - a drywall barrier.
The most common artificial radiation exposure comes from - medical radiation.
Which of the following landmarks is useful when mounting films in the maxillary posterior area? - Floor
of the maxillary sinus
Radiation injury can be measured by - dose rate.
Which of the following radiograph techniques is recommended for a patient with a shallow palate? -
Bisecting
Most bilateral findings in radiographs are considered - normal anatomic landmarks.
When taking radiographs on a small child who cannot hold the film intra-orally, the dental assistant
should - ask a parent or guardian to hold the film.
The BEST radiograph to evaluate a suspected salivary stone in the submandibular gland is a/an - occlusal
To produce ionizing radiation, an atom must - add an electron.
According to the inverse square law, when changing the PID length from 8 to 16 inches, the beam's
intensity is - 1/4 as intense
The amount of radiation and exposure time needed to produce a diagnostic radiograph is best
determined by - film speed
