TEST BANK For Dental Radiography:
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Principles and Techniques 6th Edition
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by Joen Iannucci & Laura Jansen Howerton
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Chapters 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 pg
1. Radiation is defined as pg pg pg
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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pg imageshadows on a receptor. pg pg pg pg
c. a high-energy radiation produced by the collision of a beam of electrons
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pg with ametal 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: A pg
Radiation is a form of energy carried by waves or streams of particles. An x-ray is a
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beam ofenergy that has the power to penetrate substances and record image shadows
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on a receptor.
pg pg pg
X-radiation is a high-energy radiation produced by the collision of a beam of electrons
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with ametal target in an x-ray tube. Radiology is a branch of medicine that deals with
pg pg pg pg pg pg pg pg pg pg pg pg pg pg pg pg pg
the use of
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x-rays.
DIF: Recall REF: Page 2 OBJ: 1 pg pg pg pg p g
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
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radiophysicsand 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
pg pg pg pg pg pg pg pg pg pg pg pg
pg imageshadows on a receptor. pg pg pg pg
b. a picture on film produced by the passage of x-rays through an object or body.
pg pg pg pg pg pg pg pg pg pg pg pg pg pg
c. the art and science of making radiographs by the exposure of an image
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receptor tox-rays.
pg pg pg
d. a form of energy carried by waves or a stream of particles.
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ANSWER: B pg
An x-ray is a beam of energy that has the power to penetrate substances and record
pg pg pg pg pg pg pg pg pg pg pg pg pg pg pg
image shadows on a receptor. A radiograph is a picture on film produced by the
pg pg pg pg pg pg pg pg pg pg pg pg pg pg pg
passage of x-rays through an object or body. Radiography is the art and science of
pg pg pg pg pg pg pg pg pg pg pg pg pg pg pg
making dental images by theexposure of a receptor to x-rays. Radiation is a form of
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energy carried by waves or streams of particles.
pg pg pg pg pg pg pg pg
DIF: Comprehension REF: Page 2 OBJ: 1 pg pg pg pg pg
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
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radiophysicsand radiobiology
pg pg pg
3. Your patient 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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seenclinically.
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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
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pg dentalimages. pg
ANSWER: D pg
An oral examination without dental images limits the practitioner to what is seen
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clinically. Many dental diseases and conditions produce no clinical signs and symptoms.
pg pg pg pg pg pg pg pg pg pg pg pg
Dental imagesare a necessary component of comprehensive patient care. Many dental
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diseases are typically discovered only through the use of dental images.
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DIF: Application REF: Page 2 OBJ: 2 pg pg pg pg p g
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
pg pg pg pg
a. Heinrich Geissler pg
b. Wilhelm Roentgen pg
c. Johann Hittorf pg
d. William Crookes pg
ANSWER: B pg
Heinrich Geissler built the first vacuum tube in 1838. Wilhelm Roentgen discovered the
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x-ray on November 8, 1895. Johann Hittorf observed in 1870 that discharges emitted
pg pg pg pg pg pg pg pg pg pg pg pg
from the negative electrode of a vacuum tube traveled in straight lines, produced heat,
pg pg pg pg pg pg pg pg pg pg pg pg pg pg
and resultedin a greenish fluorescence. William Crookes discovered in the late 1870s
pg pg pg pg pg pg pg pg pg pg pg pg pg
that cathode rays were streams of charged particles.
pg pg pg pg pg pg pg pg
DIF: Recall REF: Page 2 OBJ: 4 pg pg pg pg p g
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?
pg pg pg pg pg pg pg pg pg pg pg pg pg
a. Otto Walkoff pg
b. Wilhelm Roentgen pg
c. Edmund Kells pg
d. Weston Price pg
ANSWER: p g C
Otto Walkoff was a German dentist who made the first dental radiograph. Wilhelm
pg pg pg pg pg pg pg pg pg pg pg pg
Roentgenwas a Bavarian physicist who discovered the x-ray. Edmund Kells exposed the
pg pg pg pg pg pg pg pg pg pg pg pg pg
first dental radiograph in the United States using a live person. Price introduced the
pg pg pg pg pg pg pg pg pg pg pg pg pg pg pg pg
bisecting technique in 1904.
pg pg pg pg
DIF: Recall REF: Page 4 OBJ: 5 pg pg pg pg p g
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
p g pg pg pg pg pg pg pg
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
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6. Current fast radiographic film requires
pg pg pg pg % less exposure time than the initial
pg pg pg pg pg pg
exposuretimes used in 1920.
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a. 33
b. 98
c. 73
, d. 2
ANSWER: D pg
Current fast radiographic film requires 98% less exposure time than the initial exposure
pg pg pg pg pg pg pg pg pg pg pg pg
timesused in 1920.
pg pg pg pg
DIF: Comprehension REF: Page 5 OBJ: 6 pg pg pg pg pg
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
g
p p g pg pg pg pg pg pg pg
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
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b. Franklin W. McCormack pg pg
c. F. Gordon Fitzgerald
pg pg
d. Howard Riley Raper pg pg
ANSWER: C pg
C. Edmund Kells introduced the paralleling technique in 1896. Franklin W.
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McCormack reintroduced the paralleling technique in 1920. F. Gordon Fitzgerald
pg pg pg pg pg pg pg pg pg pg
modified the parallelingtechnique with the introduction of the long-cone technique.
pg pg pg pg pg pg pg pg pg pg pg
This is the technique currently used. Howard Riley Raper modified the bisecting
pg pg pg pg pg pg pg pg pg pg pg pg
technique and introduced the bite-wing technique in 1925.
pg pg pg pg pg pg pg pg
DIF: Recall REF: Page 4 OBJ: 7 pg pg pg pg p g
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 pg pg pg
b. Increased patient comfort pg pg
c. Increased speed for viewing images pg pg pg pg
d. Increased chemical usage pg pg
ANSWER: C pg
Patient exposure is reduced with digital imaging. Digital sensors are more sensitive to x-
pg pg pg pg pg pg pg pg pg pg pg pg pg
rays than film. Digital sensors are rigid and bulky, causing decreased patient comfort.
pg pg pg pg pg pg pg pg pg pg pg pg
The image from digital sensors is uploaded directly to the computer and monitor
pg pg pg pg pg pg pg pg pg pg pg pg pg
without the need for chemical processing. This allows for immediate interpretation and
pg pg pg pg pg pg pg pg pg pg pg pg
evaluation. The image fromdigital sensors is uploaded directly to the computer and
pg pg pg pg pg pg pg pg pg pg pg pg pg
monitor without the need for chemicalprocessing.
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DIF: Comprehension REF: Page 6 OBJ: 7 pg pg pg pg pg
TOP: CDA, RHS, I.B.2. Demonstrate basic knowledge of digital
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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?
pg pg pg pg pg pg pg pg pg
a. Beta particles pg
b. Alpha particles pg
c. Cathode rays pg
d. Radioactive materials pg
ANSWER: C pg
pg pg pg pg pg
Principles and Techniques 6th Edition
pg pg pg pg pg
by Joen Iannucci & Laura Jansen Howerton
pg pg pg pg pg pg pg
Chapters 1 - 35 | Complete
pg pg pg pg pg pg
,Chapter 01: Radiation History
pg pg pg
Iannucci: Dental Radiography, 6th Edition
pg pg pg pg
MULTIPLE CHOICE pg
1. Radiation is defined as pg pg pg
a. a form of energy carried by waves or streams of particles.
pg pg pg pg pg pg pg pg pg pg
b. a beam of energy that has the power to penetrate substances and record
pg pg pg pg pg pg pg pg pg pg pg pg
pg imageshadows on a receptor. pg pg pg pg
c. a high-energy radiation produced by the collision of a beam of electrons
pg pg pg pg pg pg pg pg pg pg pg
pg with ametal target in an x-ray tube.
pg pg pg pg pg pg pg
d. a branch of medicine that deals with the use of x-rays.
pg pg pg pg pg pg pg pg pg pg
ANSWER: A pg
Radiation is a form of energy carried by waves or streams of particles. An x-ray is a
pg pg pg pg pg pg pg pg pg pg pg pg pg pg pg pg
beam ofenergy that has the power to penetrate substances and record image shadows
pg pg pg pg pg pg pg pg pg pg pg pg pg pg
on a receptor.
pg pg pg
X-radiation is a high-energy radiation produced by the collision of a beam of electrons
pg pg pg pg pg pg pg pg pg pg pg pg pg
with ametal target in an x-ray tube. Radiology is a branch of medicine that deals with
pg pg pg pg pg pg pg pg pg pg pg pg pg pg pg pg pg
the use of
pg pg pg
x-rays.
DIF: Recall REF: Page 2 OBJ: 1 pg pg pg pg p g
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
p g pg pg pg pg pg pg pg
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.1 Principles of
p g pg pg pg pg pg pg pg pg pg pg
radiophysicsand radiobiology
pg pg pg
2. A radiograph is defined as
pg pg pg pg
a. a beam of energy that has the power to penetrate substances and record
pg pg pg pg pg pg pg pg pg pg pg pg
pg imageshadows on a receptor. pg pg pg pg
b. a picture on film produced by the passage of x-rays through an object or body.
pg pg pg pg pg pg pg pg pg pg pg pg pg pg
c. the art and science of making radiographs by the exposure of an image
pg pg pg pg pg pg pg pg pg pg pg pg
receptor tox-rays.
pg pg pg
d. a form of energy carried by waves or a stream of particles.
pg pg pg pg pg pg pg pg pg pg pg
ANSWER: B pg
An x-ray is a beam of energy that has the power to penetrate substances and record
pg pg pg pg pg pg pg pg pg pg pg pg pg pg pg
image shadows on a receptor. A radiograph is a picture on film produced by the
pg pg pg pg pg pg pg pg pg pg pg pg pg pg pg
passage of x-rays through an object or body. Radiography is the art and science of
pg pg pg pg pg pg pg pg pg pg pg pg pg pg pg
making dental images by theexposure of a receptor to x-rays. Radiation is a form of
pg pg pg pg pg pg pg pg pg pg pg p g pg pg pg pg
energy carried by waves or streams of particles.
pg pg pg pg pg pg pg pg
DIF: Comprehension REF: Page 2 OBJ: 1 pg pg pg pg pg
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
g
p p g pg pg pg pg pg pg pg
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.1 Principles of
p g pg pg pg pg pg pg pg pg pg pg
radiophysicsand radiobiology
pg pg pg
3. Your patient asked you why dental images are important. Which of the following
pg pg pg pg pg pg pg pg pg pg pg pg
is thecorrect response?
pg pg pg pg
a. An oral examination with dental images limits the practitioner to what is
pg pg pg pg pg pg pg pg pg pg pg
seenclinically.
pg pg
b. All dental diseases and conditions produce clinical signs and symptoms.
pg pg pg pg pg pg pg pg pg
, c. Dental images are not a necessary component of comprehensive patient care.
pg pg pg pg pg pg pg pg pg pg
d. Many dental diseases are typically discovered only through the use of
pg pg pg pg pg pg pg pg pg pg
pg dentalimages. pg
ANSWER: D pg
An oral examination without dental images limits the practitioner to what is seen
pg pg pg pg pg pg pg pg pg pg pg pg
clinically. Many dental diseases and conditions produce no clinical signs and symptoms.
pg pg pg pg pg pg pg pg pg pg pg pg
Dental imagesare a necessary component of comprehensive patient care. Many dental
pg pg pg pg pg pg pg pg pg pg pg pg
diseases are typically discovered only through the use of dental images.
pg pg pg pg pg pg pg pg pg pg pg
DIF: Application REF: Page 2 OBJ: 2 pg pg pg pg p g
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
p g pg pg pg pg pg pg pg
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
p g pg pg pg pg pg pg pg pg pg
4. The x-ray was discovered by
pg pg pg pg
a. Heinrich Geissler pg
b. Wilhelm Roentgen pg
c. Johann Hittorf pg
d. William Crookes pg
ANSWER: B pg
Heinrich Geissler built the first vacuum tube in 1838. Wilhelm Roentgen discovered the
pg pg pg pg pg pg pg pg p g pg pg pg
x-ray on November 8, 1895. Johann Hittorf observed in 1870 that discharges emitted
pg pg pg pg pg pg pg pg pg pg pg pg
from the negative electrode of a vacuum tube traveled in straight lines, produced heat,
pg pg pg pg pg pg pg pg pg pg pg pg pg pg
and resultedin a greenish fluorescence. William Crookes discovered in the late 1870s
pg pg pg pg pg pg pg pg pg pg pg pg pg
that cathode rays were streams of charged particles.
pg pg pg pg pg pg pg pg
DIF: Recall REF: Page 2 OBJ: 4 pg pg pg pg p g
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
p g pg pg pg pg pg pg pg
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
p g pg pg pg pg pg pg pg pg pg
5. Who exposed the first dental radiograph in the United States using a live person?
pg pg pg pg pg pg pg pg pg pg pg pg pg
a. Otto Walkoff pg
b. Wilhelm Roentgen pg
c. Edmund Kells pg
d. Weston Price pg
ANSWER: p g C
Otto Walkoff was a German dentist who made the first dental radiograph. Wilhelm
pg pg pg pg pg pg pg pg pg pg pg pg
Roentgenwas a Bavarian physicist who discovered the x-ray. Edmund Kells exposed the
pg pg pg pg pg pg pg pg pg pg pg pg pg
first dental radiograph in the United States using a live person. Price introduced the
pg pg pg pg pg pg pg pg pg pg pg pg pg pg pg pg
bisecting technique in 1904.
pg pg pg pg
DIF: Recall REF: Page 4 OBJ: 5 pg pg pg pg p g
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
p g pg pg pg pg pg pg pg
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
p g pg pg pg pg pg pg pg pg pg
6. Current fast radiographic film requires
pg pg pg pg % less exposure time than the initial
pg pg pg pg pg pg
exposuretimes used in 1920.
pg pg pg pg pg
a. 33
b. 98
c. 73
, d. 2
ANSWER: D pg
Current fast radiographic film requires 98% less exposure time than the initial exposure
pg pg pg pg pg pg pg pg pg pg pg pg
timesused in 1920.
pg pg pg pg
DIF: Comprehension REF: Page 5 OBJ: 6 pg pg pg pg pg
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
g
p p g pg pg pg pg pg pg pg
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
p g pg pg pg pg pg pg pg pg pg
7. Who modified the paralleling technique with the introduction of the long-cone technique?
pg pg pg pg pg pg pg pg pg pg pg
a. C. Edmund Kells
pg pg
b. Franklin W. McCormack pg pg
c. F. Gordon Fitzgerald
pg pg
d. Howard Riley Raper pg pg
ANSWER: C pg
C. Edmund Kells introduced the paralleling technique in 1896. Franklin W.
pg pg pg pg pg pg pg pg pg pg
McCormack reintroduced the paralleling technique in 1920. F. Gordon Fitzgerald
pg pg pg pg pg pg pg pg pg pg
modified the parallelingtechnique with the introduction of the long-cone technique.
pg pg pg pg pg pg pg pg pg pg pg
This is the technique currently used. Howard Riley Raper modified the bisecting
pg pg pg pg pg pg pg pg pg pg pg pg
technique and introduced the bite-wing technique in 1925.
pg pg pg pg pg pg pg pg
DIF: Recall REF: Page 4 OBJ: 7 pg pg pg pg p g
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
p g pg pg pg pg pg pg pg
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
p g pg pg pg pg pg pg pg pg pg
8. Which of the following is an advantage of digital imaging?
pg pg pg pg pg pg pg pg pg
a. Increased patient radiation exposure pg pg pg
b. Increased patient comfort pg pg
c. Increased speed for viewing images pg pg pg pg
d. Increased chemical usage pg pg
ANSWER: C pg
Patient exposure is reduced with digital imaging. Digital sensors are more sensitive to x-
pg pg pg pg pg pg pg pg pg pg pg pg pg
rays than film. Digital sensors are rigid and bulky, causing decreased patient comfort.
pg pg pg pg pg pg pg pg pg pg pg pg
The image from digital sensors is uploaded directly to the computer and monitor
pg pg pg pg pg pg pg pg pg pg pg pg pg
without the need for chemical processing. This allows for immediate interpretation and
pg pg pg pg pg pg pg pg pg pg pg pg
evaluation. The image fromdigital sensors is uploaded directly to the computer and
pg pg pg pg pg pg pg pg pg pg pg pg pg
monitor without the need for chemicalprocessing.
pg pg pg pg pg pg g
p
DIF: Comprehension REF: Page 6 OBJ: 7 pg pg pg pg pg
TOP: CDA, RHS, I.B.2. Demonstrate basic knowledge of digital
pg p g pg pg pg pg pg pg pg
radiography
pg
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
p g pg pg pg pg pg pg pg pg pg
9. Which discovery was the precursor to the discovery of x-rays?
pg pg pg pg pg pg pg pg pg
a. Beta particles pg
b. Alpha particles pg
c. Cathode rays pg
d. Radioactive materials pg
ANSWER: C pg
