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TEST BANK FOR Dental Radiography: Principles and Techniques 6th Edition by Joen Iannucci, Laura Jansen Howerton ISBN: 978-0323695503 COMPLETE GUIDE WITH RATIONALES 100% VERIFIED A+ GRADE ASSURED!!!!NEW LATEST UPDATE!!!!

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TEST BANK FOR Dental Radiography: Principles and Techniques 6th Edition by Joen Iannucci, Laura Jansen Howerton ISBN: 978-0323695503 COMPLETE GUIDE WITH RATIONALES 100% VERIFIED A+ GRADE ASSURED!!!!NEW LATEST UPDATE!!!!

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Dental Radiography Principles And Techniques
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Dental Radiography Principles and Techniques











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Dental Radiography Principles and Techniques
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Dental Radiography Principles and Techniques

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,Chapter 01: Radiation History
pn pn pn



Iannucci: Dental Radiography, 6th Edition
pn pn pn pn




MULTIPLE CHOICE p n




1. Radiation is defined as pn pn pn



a. A form of energy carried by waves or streams of particles.
pn pn pn pn p n pn p n pn pn pn



b. A beam of energy that has the power to penetrate substances and record
pn pn pn pn pn pn pn pn pn pn pn pn pn



image shadows on a receptor. pn pn pn pn



c. A high- pn



energy radiation produced by the collision of a beam of electrons with a metal target in an x-
pn pn pn pn pn pn pn pn pn pn pn pn pn pn pn pn pn pn



ray tube. pn



d. A branch of medicine that deals with the use of x-rays.
pn pn pn pn pn pn pn pn pn pn




ANSWER: A pn



Radiation is a form of energy carried by waves or streams of particles. An x-
pn pn pn pn pn pn pn pn p n pn pn pn pn pn



ray is a beam of energy that has the power to penetrate substances and record image shad ows o
pn pn pn pn pn pn pn pn pn p n pn pn p n p n pn pn p n pn



n a receptor.
pn pn



X-radiation is a high- pn pn pn



Energy radiation produced by the collision of a beam of electrons with ametal target in an x-
pn pn pn pn pn pn pn pn pn pn pn pn pn pn pn pn



ray tube. Radiology is a branch of medicine that deals with the use of X-rays.
pn p n pn p n p n p n p n p n p n p n p n p n p n pn




DIF: Recall REF: Page 2 OBJ: 1 pn p n



TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
p n pn pn pn pn pn pn pn



MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.1 Principles of radiophysic s
p n pn pn pn pn pn pn pn pn pn pn pn pn



and radiobiology pn




2. A radiograph is defined as
pn pn pn pn



a. A beam of energy that has the power to penetrate substances and record
pn pn pn pn pn pn pn pn pn pn pn pn pn



image shadows on a receptor. pn pn pn pn



b. A picture on film produced by the passage of x-rays through an object or body.
pn pn pn pn pn pn pn pn pn pn pn pn pn pn



c. The art and science of making radiographs by the exposure of an image r
pn pn pn pn pn pn pn pn pn pn pn pn pn



ecepto r tox-rays. pn pn



d. A form of energy carried by waves or a stream of particles.
pn pn pn pn p n pn pn pn pn pn pn




ANSWER: B pn



An x- pn



ray is a beam of energy that has the power to penetrate substances and record image shado
pn pn pn pn pn pn pn pn pn pn pn pn p n pn pn pn



ws on a receptor. A radiograph is a picture on film produced by the passage of x-
p n p n pn p n pn p n p n pn p n p n p n p n pn p n p n p n



rays through an object or body. Radiography is the art and science of making dental imag
pn pn p n pn pn pn p n pn pn pn pn pn pn pn pn pn



es by the exposure of a receptor to x-
pn pn pn pn pn pn pn pn



rays. Radiation is a form of energy carried by waves or streams of particles.
p n pn pn pn pn pn pn pn pn pn pn pn pn




DIF: Comprehension REF: Page 2 pn



OBJ: 1TOP: CDA, RHS, III.B.2. Describe the characteristics of
pn pn p n pn pn pn pn pn pn



x-radiation
pn



MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.1 Principles of radiophysic s
p n pn pn pn pn pn pn pn pn pn pn pn pn



and radiobiology pn




3. Your patient asked you why dental images are important. Which of the following is
pn pn pn pn pn pn pn pn pn pn pn pn pn pn



thecorrect response? pn



a. An oral examination with dental images limits the practitioner to what is se
pn pn pn pn pn pn pn pn pn pn pn pn pn



enclinically. pn



b. All dental diseases and conditions produce clinical signs and symptoms.
pn pn pn pn pn pn pn pn pn

, c. Dental images are not a necessary component of comprehensive patient care.
pn pn pn pn pn pn pn pn pn p n



d. Many dental diseases are typically discovered only through the use of den
pn pn pn pn pn pn pn pn pn pn pn pn



talimages.
ANSWER: D p n



An oral examination without dental images limits the practitioner to what is seen clinically. Ma
pn pn pn pn pn pn pn pn pn pn pn pn pn pn



ny dental diseases and conditions produce no clinical signs and symptoms. Dental images are a
pn pn pn pn pn pn pn pn pn pn pn pn pn pn



necessary component of comprehensive patient care. Many dental diseases are typicall y d
pn pn p n pn pn p n pn pn p n pn pn pn pn



iscovered only through the use of dental images. pn pn pn pn pn pn pn




DIF: Application REF: Page 2 OBJ: 2 pn p n



TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
p n pn pn pn pn pn pn pn



MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
p n pn pn pn pn pn pn pn pn pn




4. The x-ray was discovered by
pn pn pn pn



a. Heinrich Geissler pn



b. Wilhelm Roentgen pn



c. Johann Hittorf pn



d. William Crookes pn




ANSWER: B p n



Heinrich Geissler built the first vacuum tube in 1838. Wilhelm Roentgen discovered the x-
pn pn pn pn pn pn pn pn p n pn pn pn p n



ray on November 8, 1895. Johann Hittorf observed in 1870 that discharges emitted from
pn pn p n pn pn pn pn pn pn pn pn p n pn pn pn



the negative electrode of a vacuum tube traveled in straight lines, produced heat, and resulted i
pn pn pn pn pn pn pn pn pn pn pn pn pn pn pn



n a greenish fluorescence. William Crookes discovered in the late 1870s that cathode rays
pn pn pn pn pn pn pn pn pn pn pn pn pn pn



were streams of charged particles.
pn pn pn pn




DIF: Recall REF: Page 2 OBJ: 4 pn p n



TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
p n pn pn pn pn pn pn pn



MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
p n pn pn pn pn pn pn pn pn pn




5. Who exposed the first dental radiograph in the United States using a live person?
pn pn pn pn pn pn pn pn pn pn pn pn pn



a. Otto Walkoff pn



b. Wilhelm Roentgen pn



c. Edmund Kells pn



d. Weston Price pn




ANSWER:C C p n



Otto Walkoff was a German dentist who made the first dental radiograph. Wilhelm Roentg en
pn pn pn pn pn pn pn pn pn pn pn pn pn p n pn



was a Bavarian physicist who discovered the x-
pn pn pn pn pn pn pn



ray. Edmund Kells exposed the first dental radiograph in the United States using a live pers
p n pn pn pn pn pn pn pn pn pn pn pn pn pn pn pn



on. Price introduced the bisecting technique in 1904. pn pn pn pn pn pn




DIF: Recall REF: Page 4 OBJ: 5 pn p n



TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
p n pn pn pn pn pn pn pn



MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
p n pn pn pn pn pn pn pn pn pn




6. Current fast radiographic film requires
pn pn pn pn



% less exposure time than the initial exposuretimes used in 1920.
pn pn pn pn pn pn p n pn pn pn



a. 33
b. 98
c. 73

, d. 2
ANSWER: D p n



Current fast radiographic film requires 98% less exposure time than the initial exposure ti mesu
pn pn pn pn pn pn pn pn pn pn pn pn pn pn



sed in 1920. pn pn




DIF: Comprehension REF: Page 5 pn



OBJ: 6TOP: CDA, RHS, III.B.2. Describe the characteristics of
pn pn p n pn pn pn pn pn pn



x-radiation
pn



MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
p n pn pn pn pn pn pn pn pn pn




7. Who modified the paralleling technique with the introduction of the long-cone technique?
pn pn pn pn pn pn pn pn pn pn pn



a. C. Edmund Kells pn pn



b. Franklin W. McCormack pn pn



c. F. Gordon Fitzgerald pn pn



d. Howard Riley Raper pn pn




ANSWER: C p n



C. Edmund Kells introduced the paralleling technique in 1896. Franklin W. McCormack r ei
pn pn pn pn pn pn pn pn pn pn pn pn pn



ntroduced the paralleling technique in 1920. F. Gordon Fitzgerald modified the parallelin gte
pn pn pn pn pn pn pn pn pn pn pn pn



chnique with the introduction of the long- pn pn pn pn pn pn



cone technique. This is the technique currently used. Howard Riley Raper modified the bi se
pn pn pn pn pn pn pn pn pn pn pn pn pn pn



cting technique and introduced the bite-wing technique in 1925.
pn pn pn pn pn pn pn pn




DIF: Recall REF: Page 4 OBJ: 7 pn p n



TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
p n pn pn pn pn pn pn pn



MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
p n pn pn pn pn pn pn pn pn pn




8. Which of the following is an advantage of digital imaging?
pn pn pn pn pn pn pn pn pn



a. Increased patient radiation exposure pn pn pn



b. Increased patient comfort pn pn



c. Increased speed for viewing images pn pn pn pn



d. Increased chemical usage pn pn




ANSWER: C p n



Patient exposure is reduced with digital imaging. Digital sensors are more sensitive t
p n p n p n p n p n p n p n p n p n p n p n p n



o x- p n



rays than film. Digital sensors are rigid and bulky, causing decreased patient comfort. The i
pn pn pn pn pn pn pn pn pn pn pn pn pn pn pn pn



mage from digital sensors is uploaded directly to the computer and monitor without the n
pn pn pn pn pn pn pn pn pn pn pn pn pn pn



ee d for chemical processing. This allows for immediate interpretation and evaluation. The im
pn pn pn pn pn pn pn pn pn pn pn pn pn



a ge fromdigital sensors is uploaded directly to the computer and monitor without the ne
pn p n p n pn pn pn pn pn p n p n pn p n p n pn



ed f or chemicalprocessing.
p n pn pn




DIF: Comprehension REF: Page 6 pn



OBJ: 7 TOP: CDA, RHS, I.B.2. Demonstrate basic knowledge of di
pn pn p n pn pn pn pn pn pn pn



gital radiography
pn pn



MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
p n pn pn pn pn pn pn pn pn pn




9. Which discovery was the precursor to the discovery of x-rays?
pn pn pn pn pn pn pn pn pn



a. Beta particles pn



b. Alpha particles pn



c. Cathode rays pn



d. Radioactive materials pn




ANSWER: C p n
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