TABLE bjOF bjCONTENTS
,1. Essential bjConcepts bjof bjRadiologic bjScience
2. Basic bjPhysics bjPrimer
3. The bjStructure bjof bjMatter
4. Electromagnetic bjEnergy
5. Electricity, bjMagnetism, bjand bjElectromagnetism
6. The bjX-Ray bjImaging bjSystem
7. The bjX-Ray bjTube
8. X-Ray bjProduction
9. X-Ray bjEmission
10. X-Ray bjInteraction bjwith bjMatter
11. Imaging bjScience
12. Computed bjRadiography
13. Digital bjRadiography
14. Digital bjRadiographic bjTechnique
15. Image bjAcquisition
16. Patient-Image bjOptimization
17. Viewing bjthe bjMedical bjImage
18. Picture bjArchiving bjand bjCommunication bjSystem
19. Image bjPerception
20. Digital bjDisplay bjDevice
21. Medical bjImage bjDescriptors
22. Scatter bjRadiation
23. Radiographic bjArtifacts
24. Mammography
25. Fluoroscopy
26. Interventional bjRadiology
27. Computed bjTomography
28. Tomosynthesis
29. Human bjBiology
30. Fundamental bjPrinciples bjof bjRadiobiology
31. Molecular bjRadiobiology
32. Cellular bjRadiobiology
33. Deterministic bjEffects bjof bjRadiation
34. Stochastic bjEffects bjof bjRadiation
35. Health bjPhysics
36. Designing bjfor bjRadiation bjProtection
37. Radiography/Fluoroscopy bjPatient bjRadiation bjDose
38. Computed bjTomography bjPatient bjRadiation bjDose
39. Patient bjRadiation bjDose bjManagement
40. Occupational bjRadiation bjDose bjManagement
,Chapter bj01: bjEssential bjConcepts bjof bjRadiologic
bjScience bjBushong: bjRadiologic bjScience bjfor
bjTechnologists, bj12th bjEdition
MULTIPLE bjCHOICE
1. Matter bjis bjmeasured bjin .
a. kilograms
b. joules
c. electron bjvolts
d. rems
ANS bj bj A
Matter bjis bjmeasured bjin bjkilograms.
2. Atoms bjand bjmolecules bjare bjthe bjfundamental bjbuilding bjblocks bjof .
a. energy
b. radiation
c. matter
d. gravity
ANS bj bj C
Atoms bjand bjmolecules bjare bjthe bjfundamental bjbuilding bjblocks bjof bjmatter.
3. Ice bjand bjsteam bjare bjexamples bjof bjtwo bjforms bjof .
a. matter
b. radiation
c. energy
d. work
ANS: bj A
Ice bjand bjsteam bjare bjexamples bjof bjtwo bjforms bjof bjmatter.
2
4. The bjformula bjE bj= bjmc bjis bjthe bjbasis bjfor bjthe bjtheory bjthat bjled bjto bjthe
bjdevelopment bjof .
a. x-rays
b. electromagnetic bjradiation
c. nuclear bjpower
d. cathode bjray bjtubes
ANS: bj C
The bjformula bjE bj= bjmc2 bjis bjthe bjbasis bjfor bjthe bjtheory bjthat bjled bjto bjthe
bjdevelopment bjof bjnuclear bjpower.
5. Radio bjwaves, bjlight, bjand bjx-rays bjare bjall bjexamples bjof energy.
a. nuclear
b. thermal
c. electrical
d. electromagnetic
ANS: bj D
Electromagnetic bjenergy bjincludes bjradio bjwaves, bjlight, bjand bjx-rays bjas bjwell bjas
bjother bjparts bjof bjthe bjspectrum.
, 6. A bjmoving bjobject bjhas energy.
a. potential
b. kinetic
c. nuclear
d. electromagnetic
ANS: bjB
A bjmoving bjobject bjhas bjkinetic bjenergy.
7. What bjis bjthe bjremoval bjof bjan bjelectron bjfrom bjan bjatom bjcalled?
a. Ionization
b. Pair bjproduction
c. Irradiation
d. Electricity
ANS: bjA
The bjremoval bjof bjan bjelectron bjfrom bjan bjatom bjis bjcalled bjionization.
8. Ionizing bjradiation bjis bjcapable bjof bjremoving from bjatoms bjas bjit bjpasses
bjthrough bjthe bjmatter.
a. neutrons
b. protons
c. electrons
d. ions
ANS: bjC
Ionizing bjradiation bjis bjcapable bjof bjremoving bjelectrons bjfrom bjatoms bjas bjit bjpasses
bjthrough bjthe bjmatter.
9. The bjenergy bjof bjx-rays bjis bj_ .
a. thermal
b. potential
c. kinetic
d. electromagnetic
ANS: bjD
X-rays bjare bja bjform bjof bjelectromagnetic bjenergy.
10. The bjbiggest bjsource bjof bjman-made bjionizing bjradiation bjexposure bjto bjthe bjpublic bjis
.
a. atomic bjfallout
b. diagnostic bjx-rays
c. smoke bjdetectors
d. nuclear bjpower bjplants
ANS: bjB
Medical bjx-ray bjexposure bjis bjthe bjbiggest bjsource bjof bjman-made bjradiation.
11. In bjthe bjUnited bjStates, bjwe bjare bjexposed bjto _ bjmSv/year bjof bjionizing
bjradiation bjfrom bjthe bjnatural bjenvironment.
a. 0 bjto bj5
b. 5 bjto bj20
c. 20 bjto bj90
,1. Essential bjConcepts bjof bjRadiologic bjScience
2. Basic bjPhysics bjPrimer
3. The bjStructure bjof bjMatter
4. Electromagnetic bjEnergy
5. Electricity, bjMagnetism, bjand bjElectromagnetism
6. The bjX-Ray bjImaging bjSystem
7. The bjX-Ray bjTube
8. X-Ray bjProduction
9. X-Ray bjEmission
10. X-Ray bjInteraction bjwith bjMatter
11. Imaging bjScience
12. Computed bjRadiography
13. Digital bjRadiography
14. Digital bjRadiographic bjTechnique
15. Image bjAcquisition
16. Patient-Image bjOptimization
17. Viewing bjthe bjMedical bjImage
18. Picture bjArchiving bjand bjCommunication bjSystem
19. Image bjPerception
20. Digital bjDisplay bjDevice
21. Medical bjImage bjDescriptors
22. Scatter bjRadiation
23. Radiographic bjArtifacts
24. Mammography
25. Fluoroscopy
26. Interventional bjRadiology
27. Computed bjTomography
28. Tomosynthesis
29. Human bjBiology
30. Fundamental bjPrinciples bjof bjRadiobiology
31. Molecular bjRadiobiology
32. Cellular bjRadiobiology
33. Deterministic bjEffects bjof bjRadiation
34. Stochastic bjEffects bjof bjRadiation
35. Health bjPhysics
36. Designing bjfor bjRadiation bjProtection
37. Radiography/Fluoroscopy bjPatient bjRadiation bjDose
38. Computed bjTomography bjPatient bjRadiation bjDose
39. Patient bjRadiation bjDose bjManagement
40. Occupational bjRadiation bjDose bjManagement
,Chapter bj01: bjEssential bjConcepts bjof bjRadiologic
bjScience bjBushong: bjRadiologic bjScience bjfor
bjTechnologists, bj12th bjEdition
MULTIPLE bjCHOICE
1. Matter bjis bjmeasured bjin .
a. kilograms
b. joules
c. electron bjvolts
d. rems
ANS bj bj A
Matter bjis bjmeasured bjin bjkilograms.
2. Atoms bjand bjmolecules bjare bjthe bjfundamental bjbuilding bjblocks bjof .
a. energy
b. radiation
c. matter
d. gravity
ANS bj bj C
Atoms bjand bjmolecules bjare bjthe bjfundamental bjbuilding bjblocks bjof bjmatter.
3. Ice bjand bjsteam bjare bjexamples bjof bjtwo bjforms bjof .
a. matter
b. radiation
c. energy
d. work
ANS: bj A
Ice bjand bjsteam bjare bjexamples bjof bjtwo bjforms bjof bjmatter.
2
4. The bjformula bjE bj= bjmc bjis bjthe bjbasis bjfor bjthe bjtheory bjthat bjled bjto bjthe
bjdevelopment bjof .
a. x-rays
b. electromagnetic bjradiation
c. nuclear bjpower
d. cathode bjray bjtubes
ANS: bj C
The bjformula bjE bj= bjmc2 bjis bjthe bjbasis bjfor bjthe bjtheory bjthat bjled bjto bjthe
bjdevelopment bjof bjnuclear bjpower.
5. Radio bjwaves, bjlight, bjand bjx-rays bjare bjall bjexamples bjof energy.
a. nuclear
b. thermal
c. electrical
d. electromagnetic
ANS: bj D
Electromagnetic bjenergy bjincludes bjradio bjwaves, bjlight, bjand bjx-rays bjas bjwell bjas
bjother bjparts bjof bjthe bjspectrum.
, 6. A bjmoving bjobject bjhas energy.
a. potential
b. kinetic
c. nuclear
d. electromagnetic
ANS: bjB
A bjmoving bjobject bjhas bjkinetic bjenergy.
7. What bjis bjthe bjremoval bjof bjan bjelectron bjfrom bjan bjatom bjcalled?
a. Ionization
b. Pair bjproduction
c. Irradiation
d. Electricity
ANS: bjA
The bjremoval bjof bjan bjelectron bjfrom bjan bjatom bjis bjcalled bjionization.
8. Ionizing bjradiation bjis bjcapable bjof bjremoving from bjatoms bjas bjit bjpasses
bjthrough bjthe bjmatter.
a. neutrons
b. protons
c. electrons
d. ions
ANS: bjC
Ionizing bjradiation bjis bjcapable bjof bjremoving bjelectrons bjfrom bjatoms bjas bjit bjpasses
bjthrough bjthe bjmatter.
9. The bjenergy bjof bjx-rays bjis bj_ .
a. thermal
b. potential
c. kinetic
d. electromagnetic
ANS: bjD
X-rays bjare bja bjform bjof bjelectromagnetic bjenergy.
10. The bjbiggest bjsource bjof bjman-made bjionizing bjradiation bjexposure bjto bjthe bjpublic bjis
.
a. atomic bjfallout
b. diagnostic bjx-rays
c. smoke bjdetectors
d. nuclear bjpower bjplants
ANS: bjB
Medical bjx-ray bjexposure bjis bjthe bjbiggest bjsource bjof bjman-made bjradiation.
11. In bjthe bjUnited bjStates, bjwe bjare bjexposed bjto _ bjmSv/year bjof bjionizing
bjradiation bjfrom bjthe bjnatural bjenvironment.
a. 0 bjto bj5
b. 5 bjto bj20
c. 20 bjto bj90
