12th Edition by Bushong
Chapter 1-40 [Updated 2024]
,Chapterf01:fEssentialfConceptsfoffRadiologicfSciencefBushong:fRadi
ologicfSciencefforfTechnologists,f12thfEdition
MULTIPLE Choice
1. Matterfisfmeasuredfin .
a. kilograms
b. joules
c. electronfvolts
d. rems
ANS:fA
Matterfisfmeasuredfinfkilograms.
2. Atomsfandfmoleculesfareftheffundamentalfbuildingfblocksfof .
a. energy
b. radiation
c. matter
d. gravity
ANS:fC
Atomsfandfmoleculesfareftheffundamentalfbuildingfblocksfoffmatter.
3. Icefandfsteamfarefexamplesfofftwofformsfof .
a. matter
b. radiation
c. energy
d. work
ANS:fA
Icefandfsteamfarefexamplesfofftwofformsfoffmatter.
4. ThefformulafEf=fmc2f isfthefbasisfforftheftheoryfthatfledftofthefdevelopmentfof .
a. x-rays
b. electromagneticfradiation
c. nuclearfpower
d. cathodefrayftubes
ANS:fC
ThefformulafEf=fmc2fisfthefbasisfforftheftheoryfthatfledftofthefdevelopmentfoffnuclearfpower.
5. Radiofwaves,flight,fandfx-raysfarefallfexamplesfof energy.
a. nuclear
b. thermal
c. electrical
d. electromagnetic
ANS:fD
Electromagneticfenergyfincludesfradiofwaves,flight,fandfx-
raysfasfwellfasfotherfpartsfoffthefspectrum.
, 6. Afmovingfobjectfhas energy.
a. potential
b. kinetic
c. nuclear
d. electromagnetic
ANS:fB
Afmovingfobjectfhasfkineticfenergy.
7. Whatfisfthefremovalfoffanfelectronffromfanfatomfcalled?
a. Ionization
b. Pairfproduction
c. Irradiation
d. Electricity
ANS:fA
Thefremovalfoffanfelectronffromfanfatomfisfcalledfionization.
8. Ionizingfradiationfisfcapablefoffremoving
fromfatomsfasfitfpassesfthroughfth
efmatter.
a. neutrons
b. protons
c. electrons
d. ions
ANS:fC
Ionizingfradiationfisfcapablefoffremovingfelectronsffromfatomsfasfitfpassesfthroughfthefmatter.
9. Thefenergyfoffx-raysfisf_ .
a. thermal
b. potential
c. kinetic
d. electromagnetic
ANS:fD
X-raysfarefafformfoffelectromagneticfenergy.
10. Thefbiggestfsourcefoffman-madefionizingfradiationfexposureftofthefpublicfis
.
a. atomicffallout
b. diagnosticfx-rays
c. smokefdetectors
d. nuclearfpowerfplants
ANS:fB
Medicalfx-rayfexposurefisfthefbiggestfsourcefoffman-madefradiation.
11. InfthefUnitedfStates,fwefarefexposedfto
_fmSv/yearfoffionizingfradiationffromfth
efnaturalfenvironment.
a. 0ftof5
b. 5ftof20
c. 20ftof90
, d. 100ftof300
ANS:fA
Wefarefexposedftofaboutf3fmSv/yrfoffionizingfradiationffromfnaturalfenvironmentalfsourcesf
infthefUnitedfStates.
12. Today,fradiologyfisfconsideredftofbefa(n) occupation.
a. safe
b. unsafe
c. dangerous
d. high-risk
ANS:fA
Today,fradiologyfisfconsideredftofbefafsafefoccupationfbecausefoffeffectivefradiationfprote
ctionfpractices.
13. isfafspecialfquantityfoffradiologicfscience.
a. Mass
b. Velocity
c. Radioactivity
d. Momentum
ANS:fC
Radioactivityfisfafspecialfquantityfoffradiologicfscience.
14. WhatfdoesfALARAfmean?
a. AllfLevelfAlertfRadiationfAccident
b. AsfLowfAsfReasonablyfAchievable
c. AlwaysfLeavefAfRestrictedfArea
d. AsfLowfAsfRegulationsfAllow
ANS:fB
ALARAfmeansfAsfLowfAsfReasonablyfAchievable.
15. Computedftomographyfwasfdevelopedfinfthe .
a. 1890s
b. 1920s
c. 1970s
d. 1990s
ANS:fC
Computedftomographyfwasfdevelopedfinfthef1970s.
16. Filtrationfisfusedfto .
a. absorbflow-energyfx-rays
b. removefhigh-energyfx-rays
c. restrictfthefusefulfbeamftofthefbodyfpartfimaged
d. fabricatefgonadalfshields
ANS:fA
Filtrationfisfusedftofabsorbflow-energyfx-rays.