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TEST BANK : TITLE OF
d d d d
TEXTBOOK: DENTAL
d d
d RADIOGRAPHY, PRINCIPLES d
AND TECHNIQUES, JOEN
d d d
d IANNUCCI & LAURA JANSEN
d d d
HOWERTON, 6THEDITION
d d
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Chapter d 01: d Radiation d History
MULTIPLE d CHOICE
1. Radiation d is d defined d as
a. a d form d of d energy d carried d by d waves d or d streams d of d particles.
b. a d beam d of d energy d that d has d the d power d to d penetrate
d substances d and drecord d imageshadows d on d a d receptor.
c. a d high-energy d radiation d produced d by d the d collision d of d a
d beam d of delectrons d with d ametal d target d in d an d x-ray d tube.
d. a d branch d of d medicine d that d deals d with d the d use d of d x-rays.
ANS: d A
Radiation d is d a d form d of d energy d carried d by d waves d or d streams d of
d particles. d An d x-ray d is da d beam d ofenergy d that d has d the d power d to d penetrate
d substances d and d record d image dshadows d on d a d receptor.
X-radiation d is d a d high-energy d radiation d produced d by d the d collision d of d a d beam
d of d electrons dwith d ametal d target d in d an d x-ray d tube. d Radiology d is d a d branch
d of d medicine d that d deals d with dthe d use d of
x-rays.
DIF: Recall REF: Page d 2 OBJ: 1
TOP: d d CDA, d RHS, d III.B.2. d Describe d the d characteristics d of d x-radiation
MSC: NBDHE, d 2.0 d Obtaining d and d Interpreting d Radiographs d | d NBDHE, d 2.1
d Principles d of dradiophysics dand d radiobiology
2. A d radiograph d is d defined d as
a. a d beam d of d energy d that d has d the d power d to d penetrate
d substances d and drecord d imageshadows d on d a d receptor.
b. a d picture d on d film d produced d by d the d passage d of d x-rays d through d an d object
dor d body.
c. the d art d and d science d of d making d radiographs d by d the d exposure d of
d an d image d receptor d tox-rays.
d. a d form d of d energy d carried d by d waves d or d a d stream d of d particles.
ANS: d B
An d x-ray d is d a d beam d of d energy d that d has d the d power d to d penetrate d substances
d and d record d image d shadows d on d a d receptor. d A d radiograph d is d a d picture d on
d film d produced d by d the d passage d of d x-rays d through d an d object d or d body.
d Radiography d is d the d art d and d science d of d making d dental d images d by
d theexposure d of d a d receptor d to d x-rays. Radiation d is d a
d form dof d energy d carried d by d waves d or d streams d of d particles.
DIF: Comprehension REF: Page d 2 OBJ:
d1 dTOP: CDA, d RHS, d III.B.2.
d Describe d the d characteristics d of d x- dradiation
MSC: NBDHE, d 2.0 d Obtaining d and d Interpreting d Radiographs d | d NBDHE, d 2.1
d Principles d of dradiophysics dand d radiobiology
3. Your d patient d asked d you d why d dental d images d are d important. d Which
d of d the dfollowing d is d thecorrect d response?
a. An d oral d examination d with d dental d images d limits d the d practitioner
d to d what dis d seenclinically.
b. All d dental d diseases d and d conditions d produce d clinical d signs d and d symptoms.
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c. Dental d images d are d not d a d necessary d component d of d comprehensive d patient
d care.
d. Many d dental d diseases d are d typically d discovered d only d through d the
d use d of ddentalimages.
ANS: d D
An d oral d examination d without d dental d images d limits d the d practitioner d to d what d is
d seen d clinically. d Many d dental d diseases d and d conditions d produce d no d clinical
d signs d and dsymptoms. d Dental d imagesare d a d necessary d component d of
d comprehensive d patient d care. dMany d dental d diseases d are d typically d discovered
d only d through d the d use d of d dental d images.
DIF: Application REF: Page d 2 OBJ: 2
TOP: d d CDA, d RHS, d III.B.2. d Describe d the d characteristics d of d x-radiation
MSC: NBDHE, d 2.0 d Obtaining d and d Interpreting d Radiographs d | d NBDHE, d 2.5 d General
4. The d x-ray d was d discovered d by
a. Heinrich d Geissler
b. Wilhelm d Roentgen
c. Johann d Hittorf
d. William d Crookes
ANS: d B
Heinrich d Geissler d built d the d first d vacuum d tube d in d 1838. Wilhelm d Roentgen
d discovered dthe
x-ray d on d November d 8, d 1895. d Johann d Hittorf d observed d in d 1870 d that
d discharges d emitted d from d the d negative d electrode d of d a d vacuum d tube
d traveled d in d straight d lines, d produced dheat, d and d resultedin d a d greenish
d fluorescence. d William d Crookes d discovered d in d the d late d 1870s d that d cathode
d rays d were d streams d of d charged d particles.
DIF: Recall REF: Page d 2 OBJ: 4
TOP: d d CDA, d RHS, d III.B.2. d Describe d the d characteristics d of d x-radiation
MSC: NBDHE, d 2.0 d Obtaining d and d Interpreting d Radiographs d | d NBDHE, d 2.5 d General
5. Who d exposed d the d first d dental d radiograph d in d the d United d States d using d a d live
d person?
a. Otto d Walkoff
b. Wilhelm d Roentgen
c. Edmund d Kells
d. Weston d Price
ANS: C
Otto d Walkoff d was d a d German d dentist d who d made d the d first d dental d radiograph.
d Wilhelm d Roentgenwas d a d Bavarian d physicist d who d discovered d the d x-ray.
d Edmund d Kells d exposed dthe d first d dental d radiograph d in d the d United d States
d using d a d live d person. Price
dintroduced d the d bisecting d technique d in d 1904.
DIF: Recall REF: Page d 4 OBJ: 5
TOP: d d CDA, d RHS, d III.B.2. d Describe d the d characteristics d of d x-radiation
MSC: NBDHE, d 2.0 d Obtaining d and d Interpreting d Radiographs d | d NBDHE, d 2.5 d General
6. Current d fast d radiographic d film d requires % d less d exposure d time d than d the
d initial dexposuretimes d used d in d 1920.
a. 33
b. 98
c. 73
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d. 2
ANS: d D
Current d fast d radiographic d film d requires d 98% d less d exposure d time d than d the
d initial dexposure d timesused d in d 1920.
DIF: Comprehension REF: Page d 5 OBJ:
d6 dTOP: CDA, d RHS, d III.B.2.
d Describe d the d characteristics d of d x- dradiation
MSC: NBDHE, d 2.0 d Obtaining d and d Interpreting d Radiographs d | d NBDHE, d 2.5 d General
7. Who d modified d the d paralleling d technique d with d the d introduction d of d the
d long-cone dtechnique?
a. C. d Edmund d Kells
b. Franklin d W. d McCormack
c. F. d Gordon d Fitzgerald
d. Howard d Riley d Raper
ANS: d C
C. d Edmund d Kells d introduced d the d paralleling d technique d in d 1896. d Franklin d W.
dMcCormack d reintroduced d the d paralleling d technique d in d 1920. d F. d Gordon
d Fitzgerald dmodified d the d parallelingtechnique d with d the d introduction d of d the
d long-cone d technique. dThis d is d the d technique d currently d used. d Howard d Riley
d Raper d modified d the d bisecting dtechnique d and d introduced d the d bite-wing
d technique d in d 1925.
DIF: Recall REF: Page d 4 OBJ: 7
TOP: d d CDA, d RHS, d III.B.2. d Describe d the d characteristics d of d x-radiation
MSC: NBDHE, d 2.0 d Obtaining d and d Interpreting d Radiographs d | d NBDHE, d 2.5 d General
8. Which d of d the d following d is d an d advantage d of d digital d imaging?
a. Increased d patient d radiation d exposure
b. Increased d patient d comfort
c. Increased d speed d for d viewing d images
d. Increased d chemical d usage
ANS: d C
Patient d exposure d is d reduced d with d digital d imaging. d Digital d sensors d are d more
d sensitive d to d x-rays d than d film. d Digital d sensors d are d rigid d and d bulky, d causing
d decreased d patient d comfort. d The d image d from d digital d sensors d is d uploaded
d directly d to d the d computer d and d monitor d without d the d need d for d chemical
d processing. d This d allows d for d immediate dinterpretation d and d evaluation. d The
d image d from ddigital d sensors d is d uploaded d directly d to dthe d computer d and
d monitor d without d the d need d for d chemicalprocessing.
DIF: Comprehension REF: Page d 6 OBJ:
d 7 dTOP: d CDA, d RHS, d I.B.2. d Demonstrate d basic d knowledge
d of d digital dradiography
MSC: NBDHE, d 2.0 d Obtaining d and d Interpreting d Radiographs d | d NBDHE, d 2.5 d General
9. Which d discovery d was d the d precursor d to d the d discovery d of d x-rays?
a. Beta d particles
b. Alpha d particles
c. Cathode d rays
d. Radioactive d materials
ANS: d C
