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