Quiz 1

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School

Harrisburg Area Community College *

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Course

RADI210

Subject

Medicine

Date

Dec 6, 2023

Type

docx

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Uploaded by CaptainMongoose3811

Question 1 (1 point) Saved Who exposed the first dental radiograph in the United States using a live person? Question 1 options: W.J. Morton Otto Walkof C. Edmund Kells William Coolidge Question 2 (1 point) Saved Which one of the list below is not a component part of a dental x-ray machine? Question 2 options: Control panel Extension arm Intra-oral receptor Tubehead Question 3 (1 point) Saved An instrument that is used to help the dental radiographer position the PID in relation to the tooth and receptor is the Question 3 options: Beam indicator device Question 4 (1 point) Saved The paralleling technique for taking radiographs is characterized by:

Question 4 options: The central ray of the beam being directed toward the apex of the tooth The receptor being placed parallel to the long axis of the tooth the central ray being parallel to the long axis of the tooth the receptor being placed perpendicular to the long axis of the tooth Question 5 (1 point) Saved Which describes the relationship of the central ray to the receptor in the paralleling technique Question 5 options: 20 degrees to the long axis of the tooth 75 degrees to the long axis of the ttoh 15 degrees to the receptor and the long axis of the tooth 90 degrees to the receptor and the long axis of the tooth Question 6 (1 point) Saved Radiation is defined as Question 6 options: a beam of energy that has the power to penetrate substances and record image shadows on a receptor. a branch of medicine that deals with the use of x- rays. a form of energy carried by waves or streams of particles. a high-energy radiation produced by the collision of a beam of electrons with a metal target in an x- ray tube. Question 7 (1 point) Saved

Your patient asks you why dental images are important. Which of the following is the correct response? Question 7 options: Many dental diseases are typically discovered only through the use of dental images. Dental images are not a necessary component of comprehensive patient care. All dental diseases and conditions produce clinical signs and symptoms. An oral examination with dental images limits the practitioner to what is seen clinically. Question 8 (1 point) Saved A beam alignment device can be used to help the dental radiographer position the PID in relation to the __ and the receptor. Question 8 options: Collimator Control panel Extension arm Tooth Question 9 (1 point) Saved A __ eliminates the need for the patient to stabilize the receptor. Question 9 options: Beam alignment device Control panel PID Receptor holder Question 10 (1 point) Saved

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Which is true for the paralleling technique when taking a full mouth series of radiographs? Question 10 options: Always begin in the anterior region Always begin in the posterior region Always expose the molar receptor before the premolar receptor None of the above Question 11 (1 point) Saved The Rinn XCP is a Question 11 options: Beam alignment device Snap-on metal collimating device Styrofoam bite-block Uni-bite Question 12 (1 point) Saved Film emulsion Question 12 options: is a coating attached to both sides of film base by the adhesive layer increases the film's sensitivity to x-radiation is a homogeneous mixture of gelatin and silver halide crystals is all the above Question 13 (1 point) Saved A radiopaque structure is one that: Question 13 options:

Readily allows passage of the x-ray beam and appears dark or black Resists the passage of the x-ray beam and appears white Resists the passage of the x-ray beam and appears dark or black Readily allows passage of the x-ray beam and appears white Question 14 (1 point) Saved The dental radiolograph technique used for the interproximal exam is known as Question 14 options: Bitewing Occlusal Panoramic Periapical Question 15 (1 point) Saved Choose the correct order for exposing bitewing radiographs, from first image exposed to final image exposed: Question 15 options: Right molar, left molar, right premolar, left premolar Right molar, right premolar, left premolar, left molar Right molar, right premolar, left molar, right premolar Right premolar, right molar, left premolar, left molar Question 16 (3 points) Saved Match the pictured XCP set up with the description of the type of image that will be exposed. Question 16 options:

1 2 3 1 2 3 1 2 3 1 . Anterior periapical 2 . Bitewing 3 . Posterior periapical Question 17 (1 point) Saved Incorrect horizontal angulation results in: Question 17 options: The distal of the canine not showing in a premolar image Overlapped contact areas Too much of the crowns of one arch visible in a bitewing image

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All the above Question 18 (1 point) Saved The first radiograph exposed in a full mouth series (FMX) of radiographs is Question 18 options: Tooth #5 Maxillary left canine Maxillary right canine Tooth #27 Question 19 (1 point) Saved Which is NOT true about object/receptor distance? Question 19 options: If it is incorrect, image magnification and loss of definition may occur Receptor must be placed close to the tooth Receptor must be placed away from the tooth It describes the distance between receptor and tooth Question 20 (1 point) Saved The term that describes the paralleling technique rule that the central ray of the beam must be directed through contact areas of teeth is Question 20 options: Horizontal angulation Horizontal placement Vertical angulation Vertical placement Question 21 (1 point) Saved

Of the following which dental professional needs a radiology certificate to expose dental radiographs in Pennsylvania? Question 21 options: A. Dental assistant B. Dental hygienist C. Dentist D. A and C Question 22 (1 point) Saved Regardless of the target-film distance, incorrect horizontal angulation will cause Question 22 options: No significant change in the x-ray image Overlapping of teeth in the x-ray image Elongation of the x-ray image Foreshortening of the x-ray image Question 23 (1 point) Saved For bitewing images, the bite block should rest on the___________ _________ as the patient bites down on it. Question 23 options: A. Maxillary teeth B. Mandibular teeth C. A and B D. None of the above

Quiz 1

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