TEST BANK FOR DENTAL RADIOGRAPHY PRINCIPLES AND TECHNIQUES, 5TH EDITION, JOEN IANNUCCI, LAURA HOWERTON FULL TESTBANK ALL CHAPTERS INCLUDED|| LATEST AND COMPLETE UPDATE GRADED A+

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j Techniques, 5th Edition by Joen Iannucci, Laura j j j j j j




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Chapter 01: Radiation History j j j




Iannucci: Dental Radiography, 5th Edition j j j j




MULTIPLECHOICE j




1. Radiation is defined as j j j




a. a form of energy carried by waves or streams of particles.
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b. a beam of energythat has the power to penetrate substances and record image shadows on a
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j receptor.
c. a high-energyradiation produced by the collision of a beam of electrons with a metal target
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j in an x-ray tube.
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d. abranch ofmedicinethat deals with the use
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j of x-rays.
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ANS: A j




Radiation is a form of energy carried by waves or streams of particles. An x-ray is a beam of energy that
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j has the power to penetrate substances and record image shadows on a receptor. X- radiation is a high-
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energy radiation produced by the collision of a beam of electrons with a metal target in an x-ray tube.
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j Radiology is a branch of medicine that deals with the use of x-rays.
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DIF: Recall REF: Page 2 OBJ: 1 j j j j j 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 radiophysics
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j and radiobiology
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2. A radiograph is defined as
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a. a beam of energythat has the power to penetrate substances and record image
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j shadows on a receptor. j j j




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b. apicture on film produced bythe passage of
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j 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 receptor to x- rays.
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d. aform of energycarried bywaves or a
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j stream of particles. j j




ANS: B j




An x-ray is a beam of energy that has the power to penetrate substances and record image shadows on a
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j receptor. A radiograph is a picture on film produced by the passage of x- rays through an object or body.
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j Radiography is the art and science of making dental images by the exposure of a receptor to x-rays.
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Radiation is a form of energy carried bywaves or streams of particles.
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DIF: Comprehension REF: Page 2 OBJ: 1 TOP: CDA, RHS, III.B.2. Describe the
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j characteristics of x-radiation j j




MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.1 Principles of radiophysics
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j and radiobiology
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3. Your patient asked you why dental images are important. Which of the following is the
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j correct response? j




a. Anoral examinationwithdentalimages
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j limits thepractitioner to what is seen clinically.
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b. All dentaldiseases andconditionsproduce
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j clinical signs and symptoms. j j j




c. Dental images are not a necessary j j j j j




j componentofcomprehensivepatientcare. j j j j




d. Many dental diseases are typically j j j j




j discovered onlythrough the use of dental images. j j j j j j j




j ANS: D j




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




b. Wilhelm Roentgen j




c. Johann Hittorf j




d. WilliamCrookes j




j ANS: B j




Heinrich Geissler built the first vacuum tube in 1838. Wilhelm Roentgen discovered the x-ray on
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j November 8, 1895. Johann Hittorf observed in 1870 that discharges emitted from the negative
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j electrode of a vacuum tube traveled in straight lines, produced heat,
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and resulted in a greenish fluorescence. William Crookes discovered in the late 1870s that
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j cathode rays were streams of charged particles.
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DIF: Recall REF: Page 2 OBJ: 4 j j j j j 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 j




b. Wilhelm Roentgen j




c. Edmund Kells j




d. WestonPrice j




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Otto Walkoff was a German dentist who made the first dental radiograph. Wilhelm Roentgen was a
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j Bavarian physicist who discovered the x-ray. Edmund Kells exposed the first dental radiograph in the
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United States using a live person. Price introduced the bisecting technique in 1904.
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DIF: Recall REF: Page 4 OBJ: 5 j j j j j 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 j j j j %less exposuretimethan theinitial
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j exposure times used in 1920. j j j j




a. 33
b. 98
c. 73
d. 2
ANS: D j




Current fast radiographic film requires 98% less exposure time than the initial exposure times used in
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j 1920.


DIF: Comprehension REF: Page 5 OBJ: 6 TOP: CDA, RHS, III.B.2. Describe the
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j characteristics of x-radiation j j




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
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j technique?
a. C. Edmund Kells
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b. Franklin W. McCormack j j




c. F. Gordon Fitzgerald
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d. HowardRileyRaper j j




j ANS: C j




C. Edmund Kells introduced the paralleling technique in 1896. Franklin W. McCormack reintroduced
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the paralleling technique in 1920. F. Gordon Fitzgerald modified the paralleling
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