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
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by Joen Iannucci & Laura Jansen Howerton Chap
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ters 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 Xv




1. Radiation is defined as Xv Xv Xv


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
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im ageshadows on a receptor.
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c. a high- Xv


energy radiation produced by the collision of a beam of electrons with
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amet 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 Xv


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


ray is a beam ofenergy that has the power to penetrate substances and record image s
Xv Xv Xv Xv Xv Xv Xv Xv Xv Xv Xv Xv Xv Xv Xv


had ows on a receptor.
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X-radiation is a high- Xv Xv Xv


energy radiation produced by the collision of a beam of electrons with ametal target
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in 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 Xv X v


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 radiophy
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sic 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
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im ageshadows on a receptor.
X v Xv Xv Xv


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
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recepto r tox-rays. Xv Xv


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


An x- Xv


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


shad ows on a receptor. A radiograph is a picture on film produced by the pas
X v Xv Xv Xv X v Xv Xv Xv Xv Xv Xv Xv Xv Xv Xv


sage of x- Xv Xv


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


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 radiophy
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sic sand radiobiology
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3. YourCpatient asked you why dental images are important. Which of the following
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is thecorrect response?
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a. An oral examination with dental images limits the practitioner to what is
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se en clinically.
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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 d
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en talimages.
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ANSWER:C D Xv


An oral examination without dental images limits the practitioner to what is seen clinicall
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y. Many dental diseases and conditions produce no clinical signs and symptoms. Dental i
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mages are a necessary component of comprehensive patient care. Many dental diseas
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es are typicall y discovered only through the use of dental images.
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DIF: Application REF: Page 2 OBJ: 2 Xv X v


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 Xv


b. Wilhelm Roentgen Xv


c. Johann Hittorf Xv


d. William Crookes Xv




ANSWER:C B Xv


Heinrich Geissler built the first vacuum tube in 1838. Wilhelm Roentgen discovered
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the x-
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ray on November 8, 1895. Johann Hittorf observed in 1870 that discharges emitted fro
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m t he negative electrode of a vacuum tube traveled in straight lines, produced heat, a
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nd result ed in a greenish fluorescence. William Crookes discovered in the late 1870s t
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hat cathode r ays were streams of charged particles.
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DIF: Recall REF: Page 2 OBJ: 4 Xv X v


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 Xv


b. Wilhelm Roentgen Xv


c. Edmund Kells Xv


d. Weston Price Xv




ANSWER:C C X v


Otto Walkoff Xv Xv was a German dentist who made the first dental radiograph. Wilhelm Roe
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ntg en was a
X v Xv Xv Xv Bavarian physicist who discovered the x-
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ray. Edmund Xv Xv Kells exposed the first dental radiograph in the United States using a liv
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e pers on.
Xv X v Price introduced the bisecting technique in 1904.
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DIF: Recall REF: Page 4 OBJ: 5 Xv X v


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 Xv


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


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 Xv Xv


b. Franklin W. McCormack Xv Xv


c. F. Gordon Fitzgerald
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d. Howard Riley Raper Xv Xv




ANSWER:C C Xv


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


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 Xv Xv Xv


b. Increased patient comfort Xv Xv


c. Increased speed for viewing images Xv Xv Xv Xv


d. Increased chemical usage Xv Xv




ANSWER:C C Xv


Patient exposure is reduced with digital imaging. Digital sensors are more sensitiv
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e to x-
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rays than film. Digital sensors are rigid and bulky, causing decreased patient comfort. T
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he i mage from digital sensors is uploaded directly to the computer and monitor w
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ithout the nee d for chemical processing. This allows for immediate interpretation and e
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valuation. The ima ge fromdigital sensors is uploaded directly to the computer and
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monitor without the need f or chemicalprocessing.
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DIF: Comprehension REF: Page 6 Xv


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 Xv


b. Alpha particles Xv


c. Cathode rays Xv


d. Radioactive materials Xv




ANSWER:C C Xv