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