12th Edition Test bank A+
,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 moving object has energy.
a. potential
b. kinetic
c. nuclear
d. electromagnetic
ANS: B
A moving object has kinetic energy.
7. What is the removal of an electron from an atom called?
a. Ionization
b. Pair production
c. Irradiation
d. Electricity
ANS: A
The removal of an electron from an atom is called ionization.
8. Ionizing radiation is capable of removing from atoms as it passes through the
matter.
a. neutrons
b. protons
c. electrons
d. ions
ANS: C
Ionizing radiation is capable of removing electrons from atoms as it passes through the matter.
9. The energy of x-rays is _ .
a. thermal
b. potential
c. kinetic
d. electromagnetic
ANS: D
X-rays are a form of electromagnetic energy.
10. The biggest source of man-made ionizing radiation exposure to the public is
.
a. atomic fallout
b. diagnostic x-rays
c. smoke detectors
d. nuclear power plants
ANS: B
Medical x-ray exposure is the biggest source of man-made radiation.
11. In the United States, we are exposed to _ mSv/year of ionizing radiation from the
natural environment.
a. 0 to 5
b. 5 to 20
c. 20 to 90
, d. 100 to 300
ANS: A
We are exposed to about 3 mSv/yr of ionizing radiation from natural environmental sources in
the United States.
12. is a special quantity of radiologic science.
a. Mass
b. Velocity
c. Radioactivity
d. Momentum
ANS: C
Radioactivity is a special quantity of radiologic science.
13. Today, radiology is considered to be a(n) occupation.
a. safe
b. unsafe
c. dangerous
d. high-risk
ANS: A
Today, radiology is considered to be a safe occupation because of effective radiation
protection practices.
14. What does ALARA mean?
a. All Level Alert Radiation Accident
b. As Low As Reasonably Achievable
c. Always Leave A Restricted Area
d. As Low As Regulations Allow
ANS: B
ALARA means As Low As Reasonably Achievable.
15. Computed tomography was developed in the .
a. 1890s
b. 1920s
c. 1970s
d. 1990s
ANS: C
Computed tomography was developed in the 1970s.
16. Filtration is used to .
a. absorb low-energy x-rays
b. remove high-energy x-rays
c. restrict the useful beam to the body part imaged
d. fabricate gonadal shields
ANS: A
Filtration is used to absorb low-energy x-rays.
,TRUE/FALSE
1. Mass wis wthe wquantity wof wmatter was wdescribed wby wits wenergy wequivalence.
ANS: w T
Mass wis wthe wquantity wof wmatter was wdescribed wby wits wenergy wequivalence.
2. Radiation wis wthe wremoval wof wan welectron wfrom wan watom.
ANS: w F
Ionization wis wthe wremoval wof wan welectron wfrom wan watom.
3. Radiology wemerged was wa wmedical wspecialty wbecause wof wthe wSnook wtransformer wand
wthe wCrookes wx-ray wtube.
ANS: w F
Radiology wemerged was wa wmedical wspecialty wbecause wof wthe wSnook wtransformer wand wthe
wCoolidge wx-ray wtube.
Chapter w02: wBasic wPhysics wPrimer
Bushong: wRadiologic wScience wfor wTechnologists, w12th wEdition
MULTIPLE wCHOICE
1. The wbasic wquantities wmeasured win wmechanics ware w_ , , wand .
a. volume; wlength; wmeters
b. mass; wlength; wtime
c. radioactivity; wdose;
wexposure
d. meters; wkilos; wseconds
ANS: w B
The wbasic wquantities wmeasured win wmechanics ware wmass, wlength, wand wtime.
2. An wexample wof wa wderived wquantity win wmechanical wphysics wis wa .
a. meter
b. second
c. dose
d. volume
ANS: w D
Volume wis wa wderived wunit.
3. Exposure wis wmeasured win wunits wof .
a. becquerel
b. sieverts
c. meters
d. grays
ANS: w D
, Exposure wis wmeasured win wunits wof wgrays.
4. What wis wthe wdecimal wequivalent wof wthe wproper wfraction w4/1000?
a. 0004
b. 004
c. 04
d. 4
ANS: w B
The wdecimal wequivalent wof wthe wproper wfraction w4/1000 wis w.004.
5. What wis wthe wdecimal wequivalent wof wthe wimproper wfraction w289/74?
a. 390
b. 3.90
c. 39.0
d. 390.0
ANS: w B
The wdecimal wequivalent wof wthe wimproper wfraction w289/74 wis w3.90.
6. The wfirst wstep wto wexpressing wa wnumber win wscientific wnotation wis wto .
a. round wup wto wthe wnearest w1000
b. round wdown wto wthe wnearest
w1000
c. write wthe wnumber win wdecimal
wform
d. write wthe wnumber was wa wfraction
ANS: w C
The wfirst wstep wto wexpressing wa wnumber win wscientific wnotation wis wto wwrite wthe wnumber
win wdecimal wform.
7. What wis w6080 win wexponential wform?
a. 6080.0 w
4
w10
b. 608.0 w w104
c. 6.080 w w103
d. 6080 w w103
ANS: w C
The wnumber w6080 win wexponential wform wis w6.080 w w103
8. Graphs ware wtypically wbased won wtwo waxes; wa and wa .
a. y-axis; wz-axis
b. oblique;
whorizontal
c. x-axis; wy-axis
d. vertical; woblique
ANS: w C
Most wgraphs ware wbased won wtwo waxes: wa whorizontal wor wx-axis wand wa wvertical wor w y-axis.
, 9. In wradiologic wscience, wall wof wthe wfollowing ware wspecial wquantities, wexcept:
a. exposure.
b. distance.
c. dose.
d. effective
wdose.
ANS: w B
In wradiologic wscience, wspecial wquantities ware wthose wof wexposure, wdose, weffective wdose, wand
wradioactivity.
10. Mass wdensity wshould wbe wreported win wwhich wunits?
a. Coulomb/kilogram
b. Newtons wper wsquare
wmeter
c. Kilograms wper wcubic
wmeter
d. Kilograms wper wsquare
wmeter
ANS: w C
Mass wdensity wshould wbe wreported wwith wunits wof wkilograms wper wcubic wmeter w(kg/m3).
11. The wSI wunit wof wvelocity wis .
a. meters wper wsecond
b. miles wper whour
c. meters wper
wmillisecond
d. kilometers wper
wsecond
ANS: w C
Units wof wvelocity win wSI ware wmeters wper wsecond w(m/s).
12. An wobject wat wrest wwill if wno woutside wforces ware wapplied.
a. stay wat wrest
b. decrease wmass
c. increase wvelocity
d. decrease
wvelocity
ANS: w A
An wobject wat wrest wwill wstay wat wrest wif wno woutside wforces ware wapplied.
13. Which wof wthe wfollowing wexplains wthe wdifference wbetween wspeed wand wvelocity?
a. One whas wmotion, wand wthe wother wdoes wnot.
b. One winvolves wacceleration, wand wthe wother
wdoes wnot.
c. One winvolves wtime, wand wthe wother wdoes wnot.
d. One whas wdirection, wand wthe wother wdoes wnot.
ANS: w B
Velocity wincludes wacceleration wand wspeed wdoes wnot. wSpeed wis wthe wrate wat wwhich wan wobject
wcovers wdistance.
,14. For wevery waction, wthere wis wan wequal wand wopposite wreaction, wthis wdescribes wwhich
wNewton’s wlaw?
a. Newton’s wfirst wlaw wof wmotion
b. Newton’s wsecond wlaw wof
wmotion
c. Newton’s wthird wlaw wof
wmotion
d. Newton’s wlaw wof winertia
ANS: w C
Newton's wthird wlaw wof wmotion wstates wthat wfor wevery waction, wthere wis wan wequal wand
wopposite wreaction.
,15. Work wis wthe wproduct wof and wdistance.
a. force
b. gravity
c. acceleration
d. motion
ANS: w A
Work wis wthe wproduct wof wforce wand wdistance.
16. The wtransfer wof wheat wby wthe wemission wof winfrared wradiation wis .
a. electric wradiation
b. magnetic wenergy
c. mechanical
wenergy
d. thermal wradiation
ANS: w D
Thermal wradiation wis wthe wtransfer wof wheat wby wthe wemission wof winfrared wradiation.
17. What wheat wtransfer wtakes wplace wwhen w you wburn w your wfinger wby wtouching wa whot wiron?
a. Conduction
b. Convection
c. Radiation
d. Electromagnetic
ANS: w A
Conduction wis wthe wtransfer wof wheat wthrough wa wmaterial wor wby wtouching.
18. What wheat wtransfer wtakes wplace wwhen wwater wis wboiled?
a. Conduction
b. Convection
c. Radiation
d. Electromagnetic
ANS: w B
Convection wis wthe wmechanical wtransfer wof w―hot‖ wmolecules win wa wgas wor wliquid wfrom wone
wplace wto wanother.
19. What ware wthe wtwo wcryogens wused win wMagnetic wresonance wimaging wwith wa
wsuperconducting wmagnet?
a. Gaseous whelium wand wgaseous
wnitrogen
b. Liquid whelium wand wgaseous
wnitrogen
c. Gaseous whelium wand wliquid whelium
d. Liquid whelium wand wliquid wnitrogen
ANS: w D
Liquid wnitrogen wand wliquid whelium ware wthe wtwo wcryogens wthat ware wused win wmagnetic
wresonance wimaging wwith wa wsuperconducting wmagnet.
20. When wyou wstretch wa wrubber wband, w you ware wstoring w_ energy.
, a. kinetic
b. potential
c. thermal
d. radiant
ANS: w B
Potential wenergy wis wthe wstored wenergy wof wposition wor wconfiguration.
Chapter w03: wThe wStructure wof wMatter
Bushong: wRadiologic wScience wfor wTechnologists, w12th wEdition
MULTIPLE wCHOICE
1. The wterm w―atom‖ wwas wfirst wused wby wthe w .
a. Ethiopians
b. British
c. Greeks
d. Romans
ANS: w C
The wterm w―atom‖ wwas wfirst wused wby wthe wGreeks.
2. The wfirst wperson wto wdescribe wan welement was wbeing wcomposed wof widentical watoms wwas
.
a. J. wJ. wThomson
b. John wDalton
c. Dmitri
wMendeleev
d. Niels wBohr
ANS: w B
The wfirst wperson wto wdescribe wan welement was wbeing wcomposed wof widentical watoms wwas
wJohn wDalton.
3. The wsmallest wparticle wthat whas wall wthe wproperties wof wan welement wis wa(n) .
a. neutron
b. proton
c. electron
d. atom
ANS: w D
The wsmallest wparticle wthat whas wall wthe wproperties wof wan welement wis wan watom.
4. The wperiodic wtable wof wthe welements wwas wdeveloped wby in wthe wlate w19th wcentury.
a. Bohr
b. Rutherford
c. Mendeleev
d. Roentgen
ANS: w C
The wPeriodic wTable wwas wdeveloped wby wMendeleev.