Edition by Bushong Chapter 1-40 [Updated 2024]
TEST BANK
,Chapter 01: Essential Concepts of Radiologic Science
Bushong: Radiologic Science for Technologists, 12th Edition
MULTIPLE CHOICE
1. Matter is measured in .
a. kilograms
b. joules
c. electron volts
d. rems
ANS: A
Matter is measured in kilograms.
2. Atoms and molecules are the fundamental building blocks of .
a. energy
b. radiation
c. matter
d. gravity
ANS: C
Atoms and molecules are the fundamental building blocks of matter.
3. Ice and steam are examples of two forms of .
a. matter
b. radiation
c. energy
d. work
ANS: A
Ice and steam are examples of two forms of matter.
4. The formula E = mc2 is the basis for the theory that led to the development of .
a. x-rays
b. electromagnetic radiation
c. nuclear power
d. cathode ray tubes
ANS: C
The formula E = mc2 is the basis for the theory that led to the development of nuclear power.
5. Radio waves, light, and x-rays are all examples of energy.
a. nuclear
b. thermal
c. electrical
d. electromagnetic
ANS: D
Electromagnetic energy includes radio waves, light, and x-rays as well as other parts of the
spectrum.
, 6. A rmoving robject rhas energy.
a. potential
b. kinetic
c. nuclear
d. electromagnetic
ANS: r B
A rmoving robject rhas rkinetic renergy.
7. What ris rthe rremoval rof ran relectron rfrom ran ratom rcalled?
a. Ionization
b. Pair rproduction
c. Irradiation
d. Electricity
ANS: r A
The rremoval rof ran relectron rfrom ran ratom ris rcalled rionization.
8. Ionizing rradiation ris rcapable rof rremoving from ratoms ras rit rpasses rthrough
rthe rmatter.
a. neutrons
b. protons
c. electrons
d. ions
ANS: r C
Ionizing rradiation ris rcapable rof rremoving relectrons rfrom ratoms ras rit rpasses rthrough rthe
rmatter.
9. The renergy rof rx-rays ris r_ .
a. thermal
b. potential
c. kinetic
d. electromagnetic
ANS: r D
X-rays rare ra rform rof relectromagnetic renergy.
10. The rbiggest rsource rof rman-made rionizing rradiation rexposure rto rthe rpublic ris
.
a. atomic rfallout
b. diagnostic rx-rays
c. smoke rdetectors
d. nuclear rpower rplants
ANS: r B
Medical rx-ray rexposure ris rthe rbiggest rsource rof rman-made rradiation.
11. In rthe rUnited rStates, rwe rare rexposed rto _ rmSv/year rof rionizing rradiation rfrom
rthe rnatural renvironment.
a. 0 rto r5
b. 5 rto r20
c. 20 rto r90
, d. 100 rto r300
ANS: r A
We rare rexposed rto rabout r3 rmSv/yr rof rionizing rradiation rfrom rnatural renvironmental
rsources rin rthe rUnited rStates.
12. Today, rradiology ris rconsidered rto rbe ra(n) occupation.
a. safe
b. unsafe
c. dangerous
d. high-risk
ANS: r A
Today, rradiology ris rconsidered rto rbe ra rsafe roccupation rbecause rof reffective rradiation
rprotection rpractices.
13. is ra rspecial rquantity rof rradiologic rscience.
a. Mass
b. Velocity
c. Radioactivity
d. Momentum
ANS: r C
Radioactivity ris ra rspecial rquantity rof rradiologic rscience.
14. What rdoes rALARA rmean?
a. All rLevel rAlert rRadiation rAccident
b. As rLow rAs rReasonably rAchievable
c. Always rLeave rA rRestricted rArea
d. As rLow rAs rRegulations rAllow
ANS: r B
ALARA rmeans rAs rLow rAs rReasonably rAchievable.
15. Computed rtomography rwas rdeveloped rin rthe .
a. 1890s
b. 1920s
c. 1970s
d. 1990s
ANS: r C
Computed rtomography rwas rdeveloped rin rthe r1970s.
16. Filtration ris rused rto .
a. absorb rlow-energy rx-rays
b. remove rhigh-energy rx-rays
c. restrict rthe ruseful rbeam rto rthe rbody rpart rimaged
d. fabricate rgonadal rshields
ANS: r A
Filtration ris rused rto rabsorb rlow-energy rx-rays.