PRACTICE TEST FOR DANB # RHS Practice Questions and Answers
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Course
Dental Radiology
Institution
Dental Radiology
PRACTICE TEST FOR DANB # RHS
Practice Questions and Answers
Compared to a dentulous patient, radiographic exposure time on an
edentulous adult patient should - Answer️️ -decrease
Inside the film packet, the film is wrapped with a/an - Answer️️ -black
paper sheet.
Which of the followin...
PRACTICE TEST FOR DANB # RHS
Practice Questions and Answers
Compared to a dentulous patient, radiographic exposure time on an
edentulous adult patient should - Answer✔️✔️-decrease
Inside the film packet, the film is wrapped with a/an - Answer✔️✔️-black
paper sheet.
Which of the following cells exposed to radiation may be associated with
leukemia? - Answer✔️✔️-Somatic
Personnel monitoring for radiation exposure is done by - Answer✔️✔️-
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 - Answer✔️✔️-1.5
mm.
Film should be stored in - Answer✔️✔️-its original lead-wrapped packaging.
Prior to exposing dental radiographs on a visually impaired patient, the
dental assistant should - Answer✔️✔️-use touch to explain the equipment
and procedure
To assist the patient in controlling the gag reflex, the dental assistant
should - Answer✔️✔️-use a distraction technique.
If a patient did not remove earrings prior to exposing a panoramic, the
radiograph could have - Answer✔️✔️-ghost images.
Dental assistants exposing x-rays can best be protected from scatter
radiation by - Answer✔️✔️-standing behind a lead barrier.
Which of the following affects the speed of the electrons emitted from the
tubehead? - Answer✔️✔️-kVp
A step wedge can be used to demonstrate - Answer✔️✔️-film contrast.
Which of the following affects the quantity of x-rays being emitted from the
tubehead? - Answer✔️✔️-mA
Dental healthcare personnel can BEST shield themselves from radiation
during patient exposure by standing behind - Answer✔️✔️-a drywall
barrier.
The most common artificial radiation exposure comes from - Answer✔️✔️-
medical radiation.
Which of the following landmarks is useful when mounting films in the
maxillary posterior area? - Answer✔️✔️-Floor of the maxillary sinus
Radiation injury can be measured by - Answer✔️✔️-dose rate.
Which of the following radiograph techniques is recommended for a
patient with a shallow palate? - Answer✔️✔️-Bisecting
Most bilateral findings in radiographs are considered - Answer✔️✔️-normal
anatomic landmarks.
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