Test Bank for Dental Radiography: Principles and Techniques 6th Edition by Joen Iannucci ISBN: 9780323695503 Chapter 1-35 |Complete Guide A+

TEST BANK For Dental Radiography:
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Principles and Techniques 6th Edition Xt Xt Xt Xt X t




by Joen Iannucci & Laura Jansen Howerton Chapt
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ers 1 - 35 | Complete
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,Chapter 01: Radiation History
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Iannucci: Dental Radiography, 6th Edition
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MULTIPLE CHOICE Xt




1. Radiation is defined as Xt Xt Xt


a. a form of energy carried by waves or streams of particles.
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b. a beam of energy that has the power to penetrate substances and record i
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m ageshadows on a receptor.
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c. a high- Xt


energy radiation produced by the collision of a beam of electrons with a
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met al target in an x-ray tube.X t Xt Xt Xt Xt Xt


d. a branch of medicine that deals with the use of x-rays.
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ANSWER:C A Xt


Radiation is a form of energy carried by waves or streams of particles. An x-
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ray is a beam ofenergy that has the power to penetrate substances and record image sha
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d ows on a receptor.
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X-radiation is a high- Xt Xt Xt


energy radiation produced by the collision of a beam of electrons with ametal target i
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n an x-ray tube. Radiology is a branch of medicine that deals with the use of
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x-rays.

DIF: Recall REF: Page 2 OBJ: 1 Xt X t


TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
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MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.1 Principles of radiophysi
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c sand radiobiology
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2. A radiograph is defined as
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a. a beam of energy that has the power to penetrate substances and record i
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m ageshadows on a receptor.
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b. a picture on film produced by the passage of x-rays through an object or body.
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c. the art and science of making radiographs by the exposure of an image re
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cepto r tox-rays. Xt Xt


d. a form of energy carried by waves or a stream of particles.
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ANSWER:C B Xt


An x- Xt


ray is a beam of energy that has the power to penetrate substances and record image sh
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ad ows on a receptor. A radiograph is a picture on film produced by the passage
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of x-
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rays through an object or body. Radiography is the art and science of making dental i
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mag es by theexposure of a receptor to x-
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rays. Radiation is a form of energy carried by waves or streams of particles.
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DIF: Comprehension REF: Page 2 Xt


OBJ: 1 TOP: CDA, RHS, III.B.2. Describe the characteristics
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of x-radiationXt


MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.1 Principles of radiophysi
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c sand radiobiology
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3. YourCpatient asked you why dental images are important. Which of the following is
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thecorrect response?
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a. An oral examination with dental images limits the practitioner to what is s
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e en clinically. Xt X
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b. All dental diseases and conditions produce clinical signs and symptoms.
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, c. Dental images are not a necessary component of comprehensive patient care.
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d. Many dental diseases are typically discovered only through the use of de
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n talimages.
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ANSWER:C D Xt


An oral examination without dental images limits the practitioner to what is seen clinically.
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Many dental diseases and conditions produce no clinical signs and symptoms. Dental images
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are a necessary component of comprehensive patient care. Many dental diseases are t
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ypicall y discovered only through the use of dental images.
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DIF: Application REF: Page 2 OBJ: 2 Xt X t


TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
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MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
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4. The x-ray was discovered by
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a. Heinrich Geissler Xt


b. Wilhelm Roentgen Xt


c. Johann Hittorf Xt


d. William Crookes Xt




ANSWER:C B Xt


Heinrich Geissler built the first vacuum tube in 1838. Wilhelm Roentgen discovered th
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e x-
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ray on November 8, 1895. Johann Hittorf observed in 1870 that discharges emitted from
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t he negative electrode of a vacuum tube traveled in straight lines, produced heat, and re
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sult ed in a greenish fluorescence. William Crookes discovered in the late 1870s that cath
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ode r ays were streams of charged particles.
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DIF: Recall REF: Page 2 OBJ: 4 Xt X t


TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
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MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
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5. Who exposed the first dental radiograph in the United States using a live person?
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a. Otto Walkoff Xt


b. Wilhelm Roentgen Xt


c. Edmund Kells Xt


d. Weston Price Xt




ANSWER:C C X t


Otto Walkoff was a German dentist who made the first dental radiograph. Wilhelm Roentg
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en was a Bavarian physicist who discovered the x-
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ray. Edmund Kells exposed the first dental radiograph in the United States using a live p
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ers on.Price introduced the bisecting technique in 1904.
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DIF: Recall REF: Page 4 OBJ: 5 Xt X t


TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
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MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
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6. Current fast radiographic film requires
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% less exposure time than the initial exposuretimes used in 1920.
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a. 33
b. 98
c. 73

, d. 2
ANSWER:C D Xt


Current fast radiographic film requires 98% less exposure time than the initial exposure ti
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mesused in 1920.
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DIF: Comprehension REF: Page 5 Xt


OBJ: 6 TOP: CDA, RHS, III.B.2. Describe the characteristics
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of x-radiation Xt


MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
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7. Who modified the paralleling technique with the introduction of the long-cone technique?
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a. C. Edmund Kells Xt Xt


b. Franklin W. McCormack Xt Xt


c. F. Gordon Fitzgerald Xt Xt


d. Howard Riley Raper Xt Xt




ANSWER:C C Xt


C. Edmund Kells introduced the paralleling technique in 1896. Franklin W. McCormack r
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eintroduced the paralleling technique in 1920. F. Gordon Fitzgerald modified the paralleli
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n gtechnique with the introduction of the long-
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cone technique. This is the technique currently used. Howard Riley Raper modified the bi
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secting technique and introduced the bite-wing technique in 1925.
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DIF: Recall REF: Page 4 OBJ: 7 Xt X t


TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
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MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
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8. Which of the following is an advantage of digital imaging?
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a. Increased patient radiation exposure Xt Xt Xt


b. Increased patient comfort Xt Xt


c. Increased speed for viewing images Xt Xt Xt Xt


d. Increased chemical usage Xt Xt




ANSWER:C C Xt


Patient exposure is reduced with digital imaging. Digital sensors are more sensitive
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to x- Xt


rays than film. Digital sensors are rigid and bulky, causing decreased patient comfort. The
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i mage from digital sensors is uploaded directly to the computer and monitor without
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Xtthe nee d for chemical processing. This allows for immediate interpretation and evaluatio
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n. The ima ge fromdigital sensors is uploaded directly to the computer and monitor w
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ithout the need f or chemicalprocessing.
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DIF: Comprehension REF: Page 6 Xt


OBJ: 7 TOP: CDA, RHS, I.B.2. Demonstrate basic knowledge of
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di gital radiography
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MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
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9. Which discovery was the precursor to the discovery of x-rays?
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a. Beta particles Xt


b. Alpha particles Xt


c. Cathode rays Xt


d. Radioactive materials Xt




ANSWER:C C Xt