RHS DANB study guide Test
Questions Correct Answers 2025
Update (A Grade)
The Hamular process can be identified in which film - Answer- maxillary molar
On what films is a positive angulation used - Answer- maxillary periapicals, bitewings
The distal surface of the canine should be observed in which of the following
radiographs - Answer- Premolar periapical
What size film is predominantly used with the pediatric patient - Answer- Size 0
Dens in Dente is a condition described as - Answer- A tooth within a tooth
The occlusal plane for a maxillary premolar periapical should be - Answer- parallel to
the floor
In digital radiography what is analogous to the intensifying screen - Answer- scintillator
Why do digital x-rays require less radiation - Answer- the sensor is more sensitive to x-
rays
The genial tubercles can be observed on what periapical film - Answer- Madibular
central incisors
Background radiation is - Answer- Ubiquitous
How long does radiation remain in the treatment room following a 1/4 second (20
impulses) exposure? - Answer- Dissipates instantly
The initial sign of x-ray dermatitis is - Answer- Erythema
With long or short cones, incorrect horizontal angulation results in - Answer- overlapping
of teeth imaged
Which of the following uses the least amount of electromagnetic radiation - Answer-
dental x-rays
All of the following demonstrate high resolution except
Occlusals
Bitewings
Questions Correct Answers 2025
Update (A Grade)
The Hamular process can be identified in which film - Answer- maxillary molar
On what films is a positive angulation used - Answer- maxillary periapicals, bitewings
The distal surface of the canine should be observed in which of the following
radiographs - Answer- Premolar periapical
What size film is predominantly used with the pediatric patient - Answer- Size 0
Dens in Dente is a condition described as - Answer- A tooth within a tooth
The occlusal plane for a maxillary premolar periapical should be - Answer- parallel to
the floor
In digital radiography what is analogous to the intensifying screen - Answer- scintillator
Why do digital x-rays require less radiation - Answer- the sensor is more sensitive to x-
rays
The genial tubercles can be observed on what periapical film - Answer- Madibular
central incisors
Background radiation is - Answer- Ubiquitous
How long does radiation remain in the treatment room following a 1/4 second (20
impulses) exposure? - Answer- Dissipates instantly
The initial sign of x-ray dermatitis is - Answer- Erythema
With long or short cones, incorrect horizontal angulation results in - Answer- overlapping
of teeth imaged
Which of the following uses the least amount of electromagnetic radiation - Answer-
dental x-rays
All of the following demonstrate high resolution except
Occlusals
Bitewings
