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RHS Exam prep Questions With Verified Answers

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RHS Exam prep Questions With Verified Answers Periapical - answerradiographic image showing the crown, root tip, & surrounding structures periapical radiographs used to detect: - answerany abnormalities of the root structure & surrounding bone structure Bitewing radiograph - answerimage view s...

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  • October 2, 2024
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  • 2024/2025
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RHS Exam prep Questions With Verified
Answers


Periapical - answer✔radiographic image showing the crown, root tip, & surrounding structures


periapical radiographs used to detect: - answer✔any abnormalities of the root structure &

surrounding bone structure


Bitewing radiograph - answer✔image view showing the crowns of both arches on one film


bitewing radiographs used to detect: - answer✔or monitor interproximal caries if the proximal

surfaces of the teeth cannot be visually tactilely examined


full mouth series radiograph - answer✔is composed of a series of individual images, including a

combination of bitewing & periapical


purpose of full mouth series: - answer✔as a baseline on the health of your mouth


Occlusal radiograph - answer✔image that shows large areas of the maxilla or mandible


Occlusal radiograph purpose: - answer✔help track the development & placement of a section or

entire arch of teeth in the upper or lower jaw


panoramic radiograph - answer✔provides full view of the upper & lower jaw

, ©BRAINBARTER 2024/2025


panoramic radiograph purpose - answer✔allows us view your head, neck, & jaw, & how they

work together as a whole


Cephalometric radiograph - answer✔extraoral radiograph of the bones & tissues of the head


Cephalometric radiograph purpose - answer✔enables the dentist to capture a complete

radiographic image of the side of the face


CBCT (cone beam computed tomography) - answer✔three dimensional digital imaging method

that uses a cone-shaped beam of radiation that rotates around the patient


CBCT (cone beam computed tomography) purpose - answer✔allows accurate, three dimensional

(3D) imaging of hard tissue structures


Radiolucent - answer✔- portion of an image that is dark or black;


- the passage of x-rays w/relatively little attenuation by absorption


Radiopaque - answer✔- portion of an image that appears light or white


- strongly inhibiting the passage of x-rays


Phosphor plates are processed by using: - answer✔laser beam technology


Most bilateral findings in images are considered: - answer✔normal anatomic landmarks


Impacted third molars are best seen w/what type of radiograph? - answer✔Panoramic

, ©BRAINBARTER 2024/2025


Which of the following is automatically labeled on the computer template for an image? -

answer✔Date of image


The main purpose of using a lead apron w/a thyroid collar when exposing dental radiographs is

to protect the patient from: - answer✔scatter radiation


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


Foreshortening of the maxillary radiographic image results from: - answer✔increased vertical

angulation

After a patient has been dismissed, dental unit surfaces & counter tops that may have been

contaminated should be cleaned w/an EPA-registered: - answer✔intermediate-level disinfectant


Dilaceration in a radiographic image indicates the: - answer✔root shape is abnormally bent or

curved


Somatic effects of radiation do NOT have damaging effects on: - answer✔offspring


Which of the following will best protect the dental assistant from cross-contamination while

exposing radiographs? - answer✔Gloves


The time between patient exposure to radiation & the appearance of biological damage is the: -

answer✔latent period

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