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TEST BANK For Dental Radiography: Principles and Techniques 6th Edition by Joen Iannucci & Laura Jansen Howerton

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Course
Dental Hygiene

Institution
Dental Hygiene

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Dental Radiography

Chapter 01: Radiation History Iannucci: Dental Radiography, 6th Edition MULTIPLE CHOICE 1. Radiation is defined as a. a form of energy carried by waves or streams of particles. b. a beam of energy that has the power to penetrate substances and record image shadows on a receptor. c. a high-en...

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oen iannucci laura jansen howerton
dental radiography principles and techniques

Institution Dental Hygiene
Course Dental Hygiene

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

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

MULTIPLE CHOICE

1. Radiation is defined as
a. a form of energy carried by waves or streams of particles.
b. a beam of energy that has the power to penetrate substances and record image
shadows on a receptor.
c. a high-energy radiation produced by the collision of a beam of electrons with a
metal target in an x-ray tube.
d. a branch of medicine that deals with the use of x-rays.
ANSWER: A
Radiation is a form of energy carried by waves or streams of particles. An x-ray is a beam of
energy that has the power to penetrate substances and record image shadows on a receptor.
X-radiation is a high-energy radiation produced by the collision of a beam of electrons with a
metal target in an x-ray tube. Radiology is a branch of medicine that deals with the use of
x-rays.

DIF: Recall REF: Page 2 OBJ: 1
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.1 Principles of radiophysics
and radiobiology

2. A radiograph is defined as
a. a beam of energy that has the power to penetrate substances and record image
shadows on a receptor.
b. a picture on film produced by the passage of x-rays through an object or body.
c. the art and science of making radiographs by the exposure of an image receptor to
x-rays.
d. a form of energy carried by waves or a stream of particles.
ANSWER: B
An x-ray is a beam of energy that has the power to penetrate substances and record image
shadows on a receptor. A radiograph is a picture on film produced by the passage of x-rays
through an object or body. Radiography is the art and science of making dental images by the
exposure of a receptor to x-rays. Radiation is a form of energy carried by waves or streams
of particles.

DIF: Comprehension REF: Page 2 OBJ: 1
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.1 Principles of radiophysics
and radiobiology

3. Your patient asked you why dental images are important. Which of the following is the
correct response?
a. An oral examination with dental images limits the practitioner to what is seen
clinically.
b. All dental diseases and conditions produce clinical signs and symptoms.

, c. Dental images are not a necessary component of comprehensive patient care.
d. Many dental diseases are typically discovered only through the use of dental
images.
ANSWER: D
An oral examination without dental images limits the practitioner to what is seen clinically.
Many dental diseases and conditions produce no clinical signs and symptoms. Dental images
are a necessary component of comprehensive patient care. Many dental diseases are typically
discovered only through the use of dental images.

DIF: Application REF: Page 2 OBJ: 2
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General

4. The x-ray was discovered by
a. Heinrich Geissler
b. Wilhelm Roentgen
c. Johann Hittorf
d. William Crookes
ANSWER: B
Heinrich Geissler built the first vacuum tube in 1838. Wilhelm Roentgen discovered the
x-ray on November 8, 1895. Johann Hittorf observed in 1870 that discharges emitted from
the negative electrode of a vacuum tube traveled in straight lines, produced heat, and resulted
in a greenish fluorescence. William Crookes discovered in the late 1870s that cathode rays
were streams of charged particles.

DIF: Recall REF: Page 2 OBJ: 4
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General

5. Who exposed the first dental radiograph in the United States using a live person?
a. Otto Walkoff
b. Wilhelm Roentgen
c. Edmund Kells
d. Weston Price
ANSWER: C
Otto Walkoff was a German dentist who made the first dental radiograph. Wilhelm Roentgen
was a Bavarian physicist who discovered the x-ray. Edmund Kells exposed the first dental
radiograph in the United States using a live person. Price introduced the bisecting technique
in 1904.

DIF: Recall REF: Page 4 OBJ: 5
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General

6. Current fast radiographic film requires % less exposure time than the initial exposure
times used in 1920.
a. 33
b. 98
c. 73

, d. 2
ANSWER: D
Current fast radiographic film requires 98% less exposure time than the initial exposure times
used in 1920.

DIF: Comprehension REF: Page 5 OBJ: 6
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General

7. Who zmodified zthe zparalleling ztechnique zwith zthe zintroduction zof zthe zlong-cone ztechnique?
a. C. zEdmund zKells
b. Franklin zW. zMcCormack
c. F. zGordon zFitzgerald
d. Howard zRiley zRaper
ANSWER: z C
C. zEdmund zKells zintroduced zthe zparalleling ztechnique zin z1896. zFranklin zW.
zMcCormack zreintroduced zthe zparalleling ztechnique zin z1920. zF. zGordon zFitzgerald
zmodified zthe zparallelingztechnique zwith zthe zintroduction zof zthe zlong-cone ztechnique.
zThis zis zthe ztechnique zcurrently zused. zHoward zRiley zRaper zmodified zthe zbisecting
ztechnique zand zintroduced zthe zbite-wing ztechnique zin z1925.

DIF: Recall REF: z z zPage z4 OBJ: z 7
TOP: z CDA, zRHS, zIII.B.2. zDescribe zthe zcharacteristics zof zx-radiation
MSC: z NBDHE, z2.0 zObtaining zand zInterpreting zRadiographs z| zNBDHE, z2.5 zGeneral

8. Which zof zthe zfollowing zis zan zadvantage zof zdigital zimaging?
a. Increased zpatient zradiation zexposure
b. Increased zpatient zcomfort
c. Increased zspeed zfor zviewing zimages
d. Increased zchemical zusage
ANSWER: z C
Patient zexposure zis zreduced zwith zdigital zimaging. zDigital zsensors zare zmore zsensitive zto
zx-rays zthan zfilm. zDigital zsensors zare zrigid zand zbulky, zcausing zdecreased zpatient
zcomfort. zThe zimage zfrom zdigital zsensors zis zuploaded zdirectly zto zthe zcomputer zand
zmonitor zwithout zthe zneed zfor zchemical zprocessing. zThis zallows zfor zimmediate
zinterpretation zand zevaluation. zThe zimage zfromzdigital zsensors zis zuploaded zdirectly zto zthe
zcomputer zand zmonitor zwithout zthe zneed zfor zchemicalzprocessing.

DIF: Comprehension REF: z z zPage z6 OBJ: z7
zTOP: z CDA, zRHS, zI.B.2. zDemonstrate zbasic zknowledge zof zdigital
zradiography
MSC: z NBDHE, z2.0 zObtaining zand zInterpreting zRadiographs z| zNBDHE, z2.5 zGeneral

9. Which zdiscovery zwas zthe zprecursor zto zthe zdiscovery zof zx-rays?
a. Beta zparticles
b. Alpha zparticles
c. Cathode zrays
d. Radioactive zmaterials
ANSWER: z C

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Exam (elaborations)

TEST BANK For Dental Radiography: Principles and Techniques 6th Edition by Joen Iannucci & Laura Jansen Howerton

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