TEST BANK For Dental Radiography: Principles and Techniques 5th Edition by Joen Iannucci & Laura Jansen Howerton, Verified Chapters 1 - 35, Complete Newest Version
TEST BANK FOR DENTAL RADIOGRAPHY PRINCIPLES AND TECHNIQUES, 5TH EDITION JOEN LANNUCCI, LAURA HOWERTON
Dental Radiography Principles and Techniques, 5th Edition Test Bank By Joen Iannucci, Laura Howerton |Chapter 1 – 35, Latest-2024|
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Test Bank for Dental Radiography Principlesand
Techniques, 5th Edition by Joen Iannucci, Laura
Howerton A+ 2024
Chapter 01: Radiation History
Iannucci: Dental Radiography, 5th 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.
ANS: 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.
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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.
ANS: 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.
ANS: 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
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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
ANS: 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
ANS: C
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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
ANS: 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 modified the paralleling technique with the introduction of the long- cone
technique?
a. C. Edmund Kells
b. Franklin W. McCormack
c. F. Gordon Fitzgerald
d. Howard Riley Raper
ANS: C
C. Edmund Kells introduced the paralleling technique in 1896. Franklin W. McCormack
reintroduced the paralleling technique in 1920. F. Gordon Fitzgerald modified the paralleling
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