DANB RHS practice test - purpose and
technique Question and answers
100% correct 2025/2026
On an anterior image, the anterior alveolar crest normally appears: - correct answer ✔pointed and
sharp
A cephalometric radiograph is PRIMARILY used to evaluate: - correct answer ✔lateral jaw development
Blurred radiographic images are often caused by: - correct answer ✔patient movement during
exposure
The use of a thyroid collar is recommended for all of the following radiographic exposures EXCEPT: -
correct answer ✔panoramic
Which lesions appear radiopaque? - correct answer ✔sclerotic bone
Before exposing radiographs on a minor: - correct answer ✔obtain consent from parent or legal
guardian
What causes elongation? - correct answer ✔incorrect vertical angulation
The amount of radiation and exposure time needed to produce a diagnostic radiograph is best
determined by: - correct answer ✔exposure time
Which digital image receptor is the longest? - correct answer ✔2
, What causes light-colored radiographs? - correct answer ✔underexposure
The Buccal Object Rule is used to determine if a foreign body is located in which direction? - correct
answer ✔lingual to buccal
Which device is a disposable intraoral PSP holder? - correct answer ✔Stabe®
If a patient does not remove earrings before a panoramic radiograph is exposed, the image may have: -
correct answer ✔ghost images
Supernumerary teeth are best detected using what type of image receptor? - correct answer
✔panoramic
Which exposure is used to diagnose interproximal caries? - correct answer ✔bitewings
The Frankfort Plane is an imaginary plane passing through the: - correct answer ✔external auditory
meatus to the floor of the orbit
The primary purpose of the bitewing image is to evaluate: - correct answer ✔interproximal decay
When taking a panoramic radiograph, the patient's head should be oriented
so: - correct answer ✔with the midsagittal plane perpendicular to the floor.
Why would the occlusal plane appear diagonal in a radiograph? - correct answer ✔incorrect placement
of image receptor.
When exposing a posterior periapical radiograph on an adult patient with no intraoral restrictions, which
size image receptor should be used? - correct answer ✔2
technique Question and answers
100% correct 2025/2026
On an anterior image, the anterior alveolar crest normally appears: - correct answer ✔pointed and
sharp
A cephalometric radiograph is PRIMARILY used to evaluate: - correct answer ✔lateral jaw development
Blurred radiographic images are often caused by: - correct answer ✔patient movement during
exposure
The use of a thyroid collar is recommended for all of the following radiographic exposures EXCEPT: -
correct answer ✔panoramic
Which lesions appear radiopaque? - correct answer ✔sclerotic bone
Before exposing radiographs on a minor: - correct answer ✔obtain consent from parent or legal
guardian
What causes elongation? - correct answer ✔incorrect vertical angulation
The amount of radiation and exposure time needed to produce a diagnostic radiograph is best
determined by: - correct answer ✔exposure time
Which digital image receptor is the longest? - correct answer ✔2
, What causes light-colored radiographs? - correct answer ✔underexposure
The Buccal Object Rule is used to determine if a foreign body is located in which direction? - correct
answer ✔lingual to buccal
Which device is a disposable intraoral PSP holder? - correct answer ✔Stabe®
If a patient does not remove earrings before a panoramic radiograph is exposed, the image may have: -
correct answer ✔ghost images
Supernumerary teeth are best detected using what type of image receptor? - correct answer
✔panoramic
Which exposure is used to diagnose interproximal caries? - correct answer ✔bitewings
The Frankfort Plane is an imaginary plane passing through the: - correct answer ✔external auditory
meatus to the floor of the orbit
The primary purpose of the bitewing image is to evaluate: - correct answer ✔interproximal decay
When taking a panoramic radiograph, the patient's head should be oriented
so: - correct answer ✔with the midsagittal plane perpendicular to the floor.
Why would the occlusal plane appear diagonal in a radiograph? - correct answer ✔incorrect placement
of image receptor.
When exposing a posterior periapical radiograph on an adult patient with no intraoral restrictions, which
size image receptor should be used? - correct answer ✔2
