TEST BANK For Dental Radiography:
Principles and Techniques 6th Edition
by Joen Iannucci & Laura Jansen Howerton
Chapters 1 - 35 | Complete
Chapter 01: Radiation History
,Iannucci: Dental Radiography, 6th Edition
MULTIPLE CHOICE
1. Radiation is defined as
a. a form of energy carried by waves or streams of particles.
b. a beam of energy that has the power to penetrate substances and record imag
e shadows on a receptor.
c. a high-
energy radiation produced by the collision of a beam of electrons with a meta
l target in an x-ray tube.
d. a branch of medicine that deals with the use of x-rays.
ANSWER: A
Radiation is a form of energy carried by waves or streams of particles. An x-
ray is a beam of energy that has the power to penetrate substances and record image shadows on
a receptor.
X-radiation is a high-
energy radiation produced by the collision of a beam of electrons with a metal target in an x
-ray tube. Radiology is a branch of medicine that deals with the use of
x-rays.
DIF: Recall REF: Page 2 OBJ: 1
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.1 Principles of radiophysi
cs and radiobiology
2. A radiograph is defined as
a. a beam of energy that has the power to penetrate substances and record imag
e shadows on a receptor.
b. a picture on film produced by the passage of x-rays through an object or body.
c. the art and science of making radiographs by the exposure of an image receptor t
o x-rays.
d. a form of energy carried by waves or a stream of particles.
ANSWER: B
An x-
ray is a beam of energy that has the power to penetrate substances and record image shado
ws on a receptor. A radiograph is a picture on film produced by the passage of x-
rays through an object or body. Radiography is the art and science of making dental images
by the exposure of a receptor to x-
rays. Radiation is a form of energy carried by waves or streams of particles.
DIF: Comprehension REF: Page 2
OBJ: 1 TOP: CDA, RHS, III.B.2. Describe the characteristics o
f x-radiation
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.1 Principles of radiophysi
cs and radiobiology
3. Your patient asked you why dental images are important. Which of the following is th
e correct response?
a. An oral examination with dental images limits the practitioner to what is see
n clinically.
b. All dental diseases and conditions produce clinical signs and symptoms.
, c. Dental images are not a necessary component of comprehensive patient care.
d. Many dental diseases are typically discovered only through the use of denta
l images.
ANSWER: D
An oral examination without dental images limits the practitioner to what is seen clinically.
Many dental diseases and conditions produce no clinical signs and symptoms. Dental imag
es are a necessary component of comprehensive patient care. Many dental diseases are typic
ally discovered only through the use of dental images.
DIF: Application REF: Page 2 OBJ: 2
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
4. The x-ray was discovered by
a. Heinrich Geissler
b. Wilhelm Roentgen
c. Johann Hittorf
d. William Crookes
ANSWER: B
Heinrich Geissler built the first vacuum tube in 1838. Wilhelm Roentgen discovered th
e x-
ray on November 8, 1895. Johann Hittorf observed in 1870 that discharges emitted from
the negative electrode of a vacuum tube traveled in straight lines, produced heat, and resulte
d in a greenish fluorescence. William Crookes discovered in the late 1870s that cathode ray
s were streams of charged particles.
DIF: Recall REF: Page 2 OBJ: 4
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
5. Who exposed the first dental radiograph in the United States using a live person?
a. Otto Walkoff
b. Wilhelm Roentgen
c. Edmund Kells
d. Weston Price
ANSWER: C
Otto Walkoff was a German dentist who made the first dental radiograph. Wilhelm Roentge
n was a Bavarian physicist who discovered the x-
ray. Edmund Kells exposed the first dental radiograph in the United States using a live pers
on. Price introduced the bisecting technique in 1904.
DIF: Recall REF: Page 4 OBJ: 5
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
6. Current fast radiographic film requires
% less exposure time than the initial exposur
e times used in 1920.
a. 33
b. 98
c. 73
, d. 2
ANSWER: D ; ;
Current fast radiographic film requires 98% less exposure time than the initial exposure time s
;; ;; ;; ;; ;; ;; ;; ;; ;; ;; ;; ;; ;; ;; ;;
used in 1920. ;; ;;
DIF: Comprehension REF: Page 5 ;;
OBJ: 6 TOP: CDA, RHS, III.B.2. Describe the characteristics o ;; ;; ; ; ;; ;; ;; ;; ;; ;;
f x-radiation
; ; ;;
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
; ; ;; ;; ;; ;; ;; ;; ;; ;; ;;
7. Who zmodified zthe zparalleling ztechnique zwith zthe zintroduction zof zthe zlong-cone ztechnique?
; ;; ;; qw ;; ;; ;; ;; ;; ;; ;;
a. C. zEdmund zKells ; qw
b. Franklin zW.zMcCormack qw ;
c. F.zGordonzFitzgerald ; ;
d. Howard zRileyzRaper ;; ;
ANSWER: z C qw qw
C. zEdmund zKells zintroduced zthe zparalleling ztechnique zin z1896. zFranklin zW. zMcCor m
;; ;; ;; ;; ;; ;; ;; ;; ;; ;; ;; ;;
ack zreintroduced zthe zparalleling ztechnique zin z1920. zF. zGordon zFitzgerald zmodified z thez
;; ;; ;; ; ;; ; ;; ;; ;; ;; ; ; ; ;
parallelingztechnique zwith zthe zintroduction zof zthe zlong- ;; ;; ;; ;; ; ;;
cone ztechnique. zThis zis zthe ztechnique zcurrently zused. zHoward zRiley zRaper zmodified z
; ;; ;; ;; ;; ;; ;; ;; ;; ; ;; ;;
the zbisecting ztechnique zand zintroduced zthe zbite-wing ztechnique zin z1925.
;; ;; ;; ;; ;; ;; ;; ;; ;;
DIF: Recall REF: z z zPage z4 OBJ: z 7 ;; ; ; ;; ;; ; ; ; ; ; ;
TOP: z CDA, zRHS, zIII.B.2. zDescribe zthe zcharacteristics zof zx-radiation
; ; ;; ;; ;; ;; ; ; ; ;;
MSC: z NBDHE, z2.0 zObtainingzand zInterpreting zRadiographs z| zNBDHE, z2.5 zGeneral
; ; ; ; ;; ;; ; ;; qw ;; ; ;; ;;
8. Which zof zthe zfollowing zis zan zadvantage zof zdigital zimaging?
;; ; ; qw ;; ;; ;; ;; ;;
a. Increased zpatient zradiation zexposure ;; ;; ;;
b. Increased zpatient zcomfort ;; qw
c. Increased zspeed zfor zviewingzimages ;; qw ; ;
d. Increased zchemical zusage ;; ;;
ANSWER: z C qw qw
Patient zexposure zis zreduced zwith zdigital zimaging. zDigital zsensors zare zmore zsensitive zto zx-
; ; ; ; ; ; ;; ; ; ; ; ; ;;
rays zthan zfilm. zDigital zsensors zare zrigid zand zbulky, zcausing zdecreased zpatient zcomfor
;; ;; ;; ;; ;; ;; ;; ;; ;; qw ;; ;;
t. zThe zimage zfrom zdigital zsensors zis zuploaded zdirectly zto zthe zcomputer zand zmonitor z w
;; ;; ;; ;; ;; ;; ;; qw ;; ;; ;; ;; ;; ;; ; ;
ithout zthe zneed zfor zchemical zprocessing. zThis zallows zfor zimmediate zinterpretation zan d ze
;; ;; ;; ;; ;; ;; ;; ;; ;; ;; ; ;; qw
valuation. zThe zimage zfromzdigital zsensors zis zuploaded zdirectly zto zthe zcomputer zand z monit
;; ;; ;; ;; ;; ;; ;; ;; ;; ;; ;; ;; ; ;
or zwithout zthe zneed zfor zchemicalzprocessing.
;; ;; ;; ;; ;;
DIF: Comprehension REF: z z zPage z6 ;; ;; qw ;;
OBJ: z7 zTOP: z CDA, zRHS, zI.B.2. zDemonstrate zbasic zknowl ; ;; ; ; ;; ;; ;; ;; ;; ;; ;;
edge zof zdigital zradiography
;; ;; ;;
MSC: z NBDHE, z2.0 zObtaining zand zInterpreting zRadiographs z| zNBDHE, z2.5 zGeneral
; ; ; ; ;; ;; qw ;; qw ;; ; ;; ;;
9. Which zdiscoveryzwas zthe zprecursor zto zthe zdiscoveryzof zx-rays?
;; ; ;; ;; ;; ;; ; ;;
a. Beta zparticles ;
b. Alphazparticles
c. Cathode zrays ;
d. Radioactive zmaterials ;;
ANSWER: z C qw qw
Principles and Techniques 6th Edition
by Joen Iannucci & Laura Jansen Howerton
Chapters 1 - 35 | Complete
Chapter 01: Radiation History
,Iannucci: Dental Radiography, 6th Edition
MULTIPLE CHOICE
1. Radiation is defined as
a. a form of energy carried by waves or streams of particles.
b. a beam of energy that has the power to penetrate substances and record imag
e shadows on a receptor.
c. a high-
energy radiation produced by the collision of a beam of electrons with a meta
l target in an x-ray tube.
d. a branch of medicine that deals with the use of x-rays.
ANSWER: A
Radiation is a form of energy carried by waves or streams of particles. An x-
ray is a beam of energy that has the power to penetrate substances and record image shadows on
a receptor.
X-radiation is a high-
energy radiation produced by the collision of a beam of electrons with a metal target in an x
-ray tube. Radiology is a branch of medicine that deals with the use of
x-rays.
DIF: Recall REF: Page 2 OBJ: 1
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.1 Principles of radiophysi
cs and radiobiology
2. A radiograph is defined as
a. a beam of energy that has the power to penetrate substances and record imag
e shadows on a receptor.
b. a picture on film produced by the passage of x-rays through an object or body.
c. the art and science of making radiographs by the exposure of an image receptor t
o x-rays.
d. a form of energy carried by waves or a stream of particles.
ANSWER: B
An x-
ray is a beam of energy that has the power to penetrate substances and record image shado
ws on a receptor. A radiograph is a picture on film produced by the passage of x-
rays through an object or body. Radiography is the art and science of making dental images
by the exposure of a receptor to x-
rays. Radiation is a form of energy carried by waves or streams of particles.
DIF: Comprehension REF: Page 2
OBJ: 1 TOP: CDA, RHS, III.B.2. Describe the characteristics o
f x-radiation
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.1 Principles of radiophysi
cs and radiobiology
3. Your patient asked you why dental images are important. Which of the following is th
e correct response?
a. An oral examination with dental images limits the practitioner to what is see
n clinically.
b. All dental diseases and conditions produce clinical signs and symptoms.
, c. Dental images are not a necessary component of comprehensive patient care.
d. Many dental diseases are typically discovered only through the use of denta
l images.
ANSWER: D
An oral examination without dental images limits the practitioner to what is seen clinically.
Many dental diseases and conditions produce no clinical signs and symptoms. Dental imag
es are a necessary component of comprehensive patient care. Many dental diseases are typic
ally discovered only through the use of dental images.
DIF: Application REF: Page 2 OBJ: 2
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
4. The x-ray was discovered by
a. Heinrich Geissler
b. Wilhelm Roentgen
c. Johann Hittorf
d. William Crookes
ANSWER: B
Heinrich Geissler built the first vacuum tube in 1838. Wilhelm Roentgen discovered th
e x-
ray on November 8, 1895. Johann Hittorf observed in 1870 that discharges emitted from
the negative electrode of a vacuum tube traveled in straight lines, produced heat, and resulte
d in a greenish fluorescence. William Crookes discovered in the late 1870s that cathode ray
s were streams of charged particles.
DIF: Recall REF: Page 2 OBJ: 4
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
5. Who exposed the first dental radiograph in the United States using a live person?
a. Otto Walkoff
b. Wilhelm Roentgen
c. Edmund Kells
d. Weston Price
ANSWER: C
Otto Walkoff was a German dentist who made the first dental radiograph. Wilhelm Roentge
n was a Bavarian physicist who discovered the x-
ray. Edmund Kells exposed the first dental radiograph in the United States using a live pers
on. Price introduced the bisecting technique in 1904.
DIF: Recall REF: Page 4 OBJ: 5
TOP: CDA, RHS, III.B.2. Describe the characteristics of x-radiation
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
6. Current fast radiographic film requires
% less exposure time than the initial exposur
e times used in 1920.
a. 33
b. 98
c. 73
, d. 2
ANSWER: D ; ;
Current fast radiographic film requires 98% less exposure time than the initial exposure time s
;; ;; ;; ;; ;; ;; ;; ;; ;; ;; ;; ;; ;; ;; ;;
used in 1920. ;; ;;
DIF: Comprehension REF: Page 5 ;;
OBJ: 6 TOP: CDA, RHS, III.B.2. Describe the characteristics o ;; ;; ; ; ;; ;; ;; ;; ;; ;;
f x-radiation
; ; ;;
MSC: NBDHE, 2.0 Obtaining and Interpreting Radiographs | NBDHE, 2.5 General
; ; ;; ;; ;; ;; ;; ;; ;; ;; ;;
7. Who zmodified zthe zparalleling ztechnique zwith zthe zintroduction zof zthe zlong-cone ztechnique?
; ;; ;; qw ;; ;; ;; ;; ;; ;; ;;
a. C. zEdmund zKells ; qw
b. Franklin zW.zMcCormack qw ;
c. F.zGordonzFitzgerald ; ;
d. Howard zRileyzRaper ;; ;
ANSWER: z C qw qw
C. zEdmund zKells zintroduced zthe zparalleling ztechnique zin z1896. zFranklin zW. zMcCor m
;; ;; ;; ;; ;; ;; ;; ;; ;; ;; ;; ;;
ack zreintroduced zthe zparalleling ztechnique zin z1920. zF. zGordon zFitzgerald zmodified z thez
;; ;; ;; ; ;; ; ;; ;; ;; ;; ; ; ; ;
parallelingztechnique zwith zthe zintroduction zof zthe zlong- ;; ;; ;; ;; ; ;;
cone ztechnique. zThis zis zthe ztechnique zcurrently zused. zHoward zRiley zRaper zmodified z
; ;; ;; ;; ;; ;; ;; ;; ;; ; ;; ;;
the zbisecting ztechnique zand zintroduced zthe zbite-wing ztechnique zin z1925.
;; ;; ;; ;; ;; ;; ;; ;; ;;
DIF: Recall REF: z z zPage z4 OBJ: z 7 ;; ; ; ;; ;; ; ; ; ; ; ;
TOP: z CDA, zRHS, zIII.B.2. zDescribe zthe zcharacteristics zof zx-radiation
; ; ;; ;; ;; ;; ; ; ; ;;
MSC: z NBDHE, z2.0 zObtainingzand zInterpreting zRadiographs z| zNBDHE, z2.5 zGeneral
; ; ; ; ;; ;; ; ;; qw ;; ; ;; ;;
8. Which zof zthe zfollowing zis zan zadvantage zof zdigital zimaging?
;; ; ; qw ;; ;; ;; ;; ;;
a. Increased zpatient zradiation zexposure ;; ;; ;;
b. Increased zpatient zcomfort ;; qw
c. Increased zspeed zfor zviewingzimages ;; qw ; ;
d. Increased zchemical zusage ;; ;;
ANSWER: z C qw qw
Patient zexposure zis zreduced zwith zdigital zimaging. zDigital zsensors zare zmore zsensitive zto zx-
; ; ; ; ; ; ;; ; ; ; ; ; ;;
rays zthan zfilm. zDigital zsensors zare zrigid zand zbulky, zcausing zdecreased zpatient zcomfor
;; ;; ;; ;; ;; ;; ;; ;; ;; qw ;; ;;
t. zThe zimage zfrom zdigital zsensors zis zuploaded zdirectly zto zthe zcomputer zand zmonitor z w
;; ;; ;; ;; ;; ;; ;; qw ;; ;; ;; ;; ;; ;; ; ;
ithout zthe zneed zfor zchemical zprocessing. zThis zallows zfor zimmediate zinterpretation zan d ze
;; ;; ;; ;; ;; ;; ;; ;; ;; ;; ; ;; qw
valuation. zThe zimage zfromzdigital zsensors zis zuploaded zdirectly zto zthe zcomputer zand z monit
;; ;; ;; ;; ;; ;; ;; ;; ;; ;; ;; ;; ; ;
or zwithout zthe zneed zfor zchemicalzprocessing.
;; ;; ;; ;; ;;
DIF: Comprehension REF: z z zPage z6 ;; ;; qw ;;
OBJ: z7 zTOP: z CDA, zRHS, zI.B.2. zDemonstrate zbasic zknowl ; ;; ; ; ;; ;; ;; ;; ;; ;; ;;
edge zof zdigital zradiography
;; ;; ;;
MSC: z NBDHE, z2.0 zObtaining zand zInterpreting zRadiographs z| zNBDHE, z2.5 zGeneral
; ; ; ; ;; ;; qw ;; qw ;; ; ;; ;;
9. Which zdiscoveryzwas zthe zprecursor zto zthe zdiscoveryzof zx-rays?
;; ; ;; ;; ;; ;; ; ;;
a. Beta zparticles ;
b. Alphazparticles
c. Cathode zrays ;
d. Radioactive zmaterials ;;
ANSWER: z C qw qw
