RHS exam prep Questions and Answers 100% Pass

RHS exam prep Questions and Answers
100% Pass

periapical - ANSWER-radiographic image showing the crown, root tip, & surrounding structures




Question: periapical radiographs used to detect: - ANSWER-any abnormalities of the root

structure & surrounding bone structure




Question: Bitewing radiograph - ANSWER-image view showing the crowns of both arches on

one film




Question: bitewing radiographs used to detect: - ANSWER-or monitor interproximal caries if

the proximal surfaces of the teeth cannot be visually tactilely examined




Question: full mouth series radiograph - ANSWER-is composed of a series of individual images,

including a combination of bitewing & periapical




Question: purpose of full mouth series: - ANSWER-as a baseline on the health of your mouth

,Question: Occlusal radiograph - ANSWER-image that shows large areas of the maxilla or

mandible




Question: Occlusal radiograph purpose: - ANSWER-help track the development & placement of

a section or entire arch of teeth in the upper or lower jaw




Question: panoramic radiograph - ANSWER-provides full view of the upper & lower jaw




Question: panoramic radiograph purpose - ANSWER-allows us view your head, neck, & jaw, &

how they work together as a whole




Question: Cephalometric radiograph - ANSWER-extraoral radiograph of the bones & tissues of

the head




Question: Cephalometric radiograph purpose - ANSWER-enables the dentist to capture a

complete radiographic image of the side of the face




Question: CBCT (cone beam computed tomography) - ANSWER-three dimensional digital

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




Question: CBCT (cone beam computed tomography) purpose - ANSWER-allows accurate, three

dimensional (3D) imaging of hard tissue structures

,Question: Radiolucent - ANSWER-- portion of an image that is dark or black;

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




Question: Radiopaque - ANSWER-- portion of an image that appears light or white

- strongly inhibiting the passage of x-rays




Question: Phosphor plates are processed by using: - ANSWER-laser beam technology




Question: Most bilateral findings in images are considered: - ANSWER-normal anatomic

landmarks




Question: Impacted third molars are best seen w/what type of radiograph? - ANSWER-

Panoramic




Question: Which of the following is automatically labeled on the computer template for an

image? - ANSWER-Date of image




Question: 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

, Question: 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




Question: Foreshortening of the maxillary radiographic image results from: - ANSWER-

increased vertical angulation




Question: 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




Question: Dilaceration in a radiographic image indicates the: - ANSWER-root shape is

abnormally bent or curved




Question: Somatic effects of radiation do NOT have damaging effects on: - ANSWER-offspring




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

while exposing radiographs? - ANSWER-Gloves




Question: The time between patient exposure to radiation & the appearance of biological

damage is the: - ANSWER-latent period