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:
Principles and Techniques 6th Edition
by Joen Iannucci & Laura Jansen Howerton
Chapters 1 - 35 | Complete

,Chapter 01: Radiation History
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Iannucci: Dental Radiography, 6th Edition
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MULTIPLE CHOICE BJ




1. Radiation is defined as BJ BJ BJ


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- BJ


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


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- BJ BJ BJ


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 BJ B J


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. BJ BJ


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


An x- BJ


ray is a beam of energy that has the power to penetrate substances and record image sh
BJ BJ BJ BJ BJ BJ BJ BJ BJ BJ BJ BJ BJ BJ BJ BJ


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 BJ


OBJ: 1 TOP: CDA, RHS, III.B.2. Describe the characteristics
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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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3. YourCpatient asked you why dental images are important. Which of the following i
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s 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. BJ BJ


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 BJ


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


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 BJ


b. Wilhelm Roentgen BJ


c. Johann Hittorf BJ


d. William Crookes BJ




ANSWER:C B BJ


Heinrich Geissler built the first vacuum tube in 1838. Wilhelm Roentgen discovered t
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he x- B J


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
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result ed in a greenish fluorescence. William Crookes discovered in the late 1870s that c
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athode r ays were streams of charged particles.
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DIF: Recall REF: Page 2 OBJ: 4 BJ B J


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 BJ


b. Wilhelm Roentgen BJ


c. Edmund Kells BJ


d. Weston Price BJ




ANSWER:C C B J


Otto Walkoff was a German dentist who made the first dental radiograph. Wilhelm Roent
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g 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
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pers on. Price introduced the bisecting technique in 1904.
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DIF: Recall REF: Page 4 OBJ: 5 BJ B J


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 BJ


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


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


b. Franklin W. McCormack BJ BJ


c. F. Gordon Fitzgerald BJ BJ


d. Howard Riley Raper BJ BJ




ANSWER:C C BJ


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 parallel
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in gtechnique with the introduction of the long-
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cone technique. This is the technique currently used. Howard Riley Raper modified the b
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i secting technique and introduced the bite-wing technique in 1925.
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DIF: Recall REF: Page 4 OBJ: 7 BJ B J


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 BJ BJ BJ


b. Increased patient comfort BJ BJ


c. Increased speed for viewing images BJ BJ BJ BJ


d. Increased chemical usage BJ BJ




ANSWER:C C BJ


Patient exposure is reduced with digital imaging. Digital sensors are more sensitive
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Jto x- BJ


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 witho
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ut the nee d for chemical processing. This allows for immediate interpretation and evaluat
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ion. The ima ge fromdigital sensors is uploaded directly to the computer and monitor
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Jwithout the need f or chemicalprocessing.
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DIF: Comprehension REF: Page 6 BJ


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 BJ


b. Alpha particles BJ


c. Cathode rays BJ


d. Radioactive materials BJ




ANSWER:C C BJ