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tion by Bushong Chapter 1-40 {Updated 2024}
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,Chapter 01: Essential Concepts of Radiologic Science Busho
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ng: Radiologic Science for Technologists, 12th Edition
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MULTIPLEbCHOICE
1. Matterbisbmeasuredbin .
a. kilograms
b. joules
c. electronbvolts
d. rems
ANS: A
Matterbisbmeasuredbinbkilograms.
2. Atomsbandbmoleculesbarebthebfundamentalbbuildingbblocksbof .
a. energy
b. radiation
c. matter
d. gravity
ANS: C
Atomsbandbmoleculesbarebthebfundamentalbbuildingbblocksbofbmatter.
3. Icebandbsteambarebexamplesbofbtwobformsbof .
a. matter
b. radiation
c. energy
d. work
ANS: A
Icebandbsteambarebexamplesbofbtwobformsbofbmatter.
4. ThebformulabEb=bmc2b isbthebbasisbforbthebtheorybthatbledbtobthebdevelopmentbof .
a. x-rays
b. electromagneticbradiation
c. nuclearbpower
d. cathodebraybtubes
ANS: C
ThebformulabEb=bmc2bisbthebbasisbforbthebtheorybthatbledbtobthebdevelopmentbofbnuclearbpower.
5. Radiobwaves,blight,bandbx-raysbareballbexamplesbof energy.
a. nuclear
b. thermal
c. electrical
d. electromagnetic
ANS: D
Electromagneticbenergybincludesbradiobwaves,blight,bandbx-
raysbasbwellbasbotherbpartsbofbthebspectrum.
, 6. Abmovingbobjectbhas energy.
a. potential
b. kinetic
c. nuclear
d. electromagnetic
ANS:b B
Abmovingbobjectbhasbkineticbenergy.
7. Whatbisbthebremovalbofbanbelectronbfrombanbatombcalled?
a. Ionization
b. Pairbproduction
c. Irradiation
d. Electricity
ANS:b A
Thebremovalbofbanbelectronbfrombanbatombisbcalledbionization.
8. Ionizingbradiationbisbcapablebofbremoving
frombatomsbasbitbpassesbthroughbthebmatter.
a. neutrons
b. protons
c. electrons
d. ions
ANS:b C
Ionizingbradiationbisbcapablebofbremovingbelectronsbfrombatomsbasbitbpassesbthroughbthebmatter.
9. Thebenergybofbx-raysbisb_ .
a. thermal
b. potential
c. kinetic
d. electromagnetic
ANS:b D
X-raysbarebabformbofbelectromagneticbenergy.
10. Thebbiggestbsourcebofbman-madebionizingbradiationbexposurebtobthebpublicbis
b .
a. atomicbfallout
b. diagnosticbx-rays
c. smokebdetectors
d. nuclearbpowerbplants
ANS:b B
Medicalbx-raybexposurebisbthebbiggestbsourcebofbman-madebradiation.
11. InbthebUnitedbStates,bwebarebexposedbto
_bmSv/yearbofbionizingbradiationbfrombthebnaturalbenvironment.
a. 0btob5
b. 5btob20
c. 20btob90
, d.b 100btob300
ANS:b A
Webarebexposedbtobaboutb3bmSv/yrbofbionizingbradiationbfrombnaturalbenvironmentalbsourcesbinbt
hebUnitedbStates.
12. Today,bradiologybisbconsideredbtobbeba(n) occupation.
a. safe
b. unsafe
c. dangerous
d. high-risk
ANS:b A
Today,bradiologybisbconsideredbtobbebabsafeboccupationbbecausebofbeffectivebradiationbp
rotectionbpractices.
13. b isbabspecialbquantitybofbradiologicbscience.
a. Mass
b. Velocity
c. Radioactivity
d. Momentum
ANS:b C
Radioactivitybisbabspecialbquantitybofbradiologicbscience.
14. WhatbdoesbALARAbmean?
a. AllbLevelbAlertbRadiationbAccident
b. AsbLowbAsbReasonablybAchievable
c. AlwaysbLeavebAbRestrictedbArea
d. AsbLowbAsbRegulationsbAllow
ANS:b B
ALARAbmeansbAsbLowbAsbReasonablybAchievable.
15. Computedbtomographybwasbdevelopedbinbthe .
a. 1890s
b.bbb 1920s
c. 1970s
d.bbb 1990s
ANS:b C
Computedbtomographybwasbdevelopedbinbtheb1970s.
16. Filtrationbisbusedbto .
a. absorbblow-energybx-rays
b. removebhigh-energybx-rays
c. restrictbthebusefulbbeambtobthebbodybpartbimaged
d. fabricatebgonadalbshields
ANS:b A
Filtrationbisbusedbtobabsorbblow-energybx-rays.