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