j j j j j j j
RadiologicSciencefor Technologists, 13thEdition j b
MULTIPLECHOICE
1. Matterismeasuredin j j j j .
a. kilograms
b. joules
c. electronvolts
d. rems
ANS: A j j
Matteris measuredinkilograms. j
2. Atomsandmoleculesarethefundamentalbuildingblocksof
j j j j j j j j .
a. energy
b. radiation
c. matter
d. gravity
ANS: C j j
Atomsandmoleculesarethefundamentalbuildingblocksofmatter. j j j j j
3. Iceandsteamareexamplesoftwoformsof
j j j j j j j j .
a. matter
b. radiation
c. energy
d. work
ANS: A j j
Iceand steam areexamples oftwoformsof matter.
j j j j
4. TheformulaE=mc2isthebasisforthetheorythatledtothedevelopmentof
j j j j j j j j j j j .
a. x-rays
b. electromagnetic radiation b
c. nuclearpower
d. cathoderaytubes j
ANS: C j j
TheformulaE=mc2isthebasisforthetheorythatledtothedevelopmentofnuclearpower.
j j j j j j j j b j j j j
5. Radiowaves,light,andx-raysareallexamplesof
j j j j j j j j energy.
a. nuclear
b. thermal
c. electrical
d. electromagnetic
ANS: D j j
Electromagneticenergyincludesradiowaves,light,andx-raysaswell asotherpartsofthe spectrum. j j j j j j j
, 6. Amovingobjecthas
j j j j energy.
a. potential
b. kinetic
c. nuclear
d. electromagnetic
ANS: B j j
Amovingobjecthaskineticenergy.
j j j
7. Whatistheremovalofanelectronfromanatomcalled?
j j j j j j j j j
a. Ionization
b. Pairproduction j
c. Irradiation
d. Electricity
ANS: A j j
Theremovalofanelectronfromanatomiscalledionization. j j j j j j j
8. Ionizing radiation is capable ofremoving j j j j j j fromatoms asitpasses throughthe
b b
matter.
j
a. neutrons
b. protons
c. electrons
d. ions
ANS: C j j
Ionizingradiationiscapableofremovingelectronsfromatomsasitpassesthroughthematter.
j j j j j j j j j
9. Theenergyofx-raysis
j j j j .
a. thermal
b. potential
c. kinetic
d. electromagnetic
ANS: D j j
X-raysareaformofelectromagneticenergy.
j j
10. Thebiggestsourceofman-madeionizingradiationexposuretothepublicis j j j j j j j
.
a. atomicfallout j
b. diagnosticx-rays
c. smokedetectors
d. nuclearpowerplants
ANS: B j j
Medicalx-rayexposureis thebiggestsourceofman-maderadiation. j j j j
11. In the United States, we areexposed to
j j j j j j j mSv/yearofionizingradiationfromtheb
naturalenvironment.
j j
a. 0to5 j j
b. 5to20 j j
c. 20to90 j j
, d. 100to300 j j
ANS: Aj j
Weareexposedtoabout3mSv/yrofionizingradiation from naturalenvironmental sources in the
j j j b
jUnitedStates. j
12. isaspecialquantityofradiologicscience. j j
a. Mass
b. Velocity
c. Radioactivity
d. Momentum
ANS: Cj j
Radioactivityisaspecialquantityofradiologicscience. j j j j
13. Today,radiologyisconsideredtobea(n)
j j j j j j occupation.
a. safe
b. unsafe
c. dangerous
d. high-risk
ANS: Aj j
Today,radiologyisconsideredtobeasafeoccupationbecauseofeffectiveradiationprotection
j j j
practices.
j
14. WhatdoesALARAmean? j j
a. AllLevelAlertRadiationAccident
j j j j
b. AsLowAsReasonablyAchievable
j j j j
c. AlwaysLeaveARestrictedArea j j j j
d. AsLowAsRegulationsAllow
j j j j
ANS: Bj j
ALARAmeansAsLowAsReasonablyAchievable. j j j j j
15. Computedtomographywasdevelopedinthe j j j j j .
a. 1890s
b. 1920s
c. 1970s
d. 1990s
ANS: Cj j
Computedtomographywas developedinthe1970s. j j j
16. Filtrationisusedto j . j j j
a. absorblow-energyx-rays j
b. removehigh-energyx-rays j
c. restricttheusefulbeamtothebodypartimaged j j j j j j
d. fabricategonadalshields
ANS: Aj j
Filtration isusedtoabsorb low-energyx-rays.
j j
, TRUE/FALSE
1. Massisthequantityofmatterasdescribedbyitsenergyequivalence.
j j j j j j
ANS: T j j
Massisthequantityofmatterasdescribedbyitsenergyequivalence.
j j j j j j
2. Radiationistheremovalofanelectronfromanatom. j j j j j j
ANS: F j j
Ionizationistheremovalofanelectronfromanatom. j j j j j j
3. RadiologyemergedasamedicalspecialtybecauseoftheSnooktransformerandtheCrookesx- ray j j j j j
tube.
j
ANS: F j j
RadiologyemergedasamedicalspecialtybecauseoftheSnooktransformerandtheCoolidgex- ray j j j j j
tube.
j
Chapter02:BasicPhysicsPrimer
Bushong:RadiologicScienceforTechnologists,12th Edition b
MULTIPLECHOICE
1. Thebasicquantitiesmeasuredinmechanicsare
j j j j j j j ,j ,and
j j .
a. volume;length;meters j j
b. mass;length;time j j
c. radioactivity;dose;exposure j j
d. meters;kilos;seconds j j
ANS: B j j
Thebasicquantitiesmeasuredinmechanicsaremass,length,andtime. j j j j j j
2. Anexampleofaderivedquantityinmechanicalphysicsisa
j j j j j j j j j j .
a. meter
b. second
c. dose
d. volume
ANS: D j j
Volumeis a derived unit. j b j
3. Exposureismeasuredinunitsof j j j j j j .
a. becquerel
b. sieverts
c. meters
d. grays
ANS: D j j