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