,
,Chapter501:5Essential5Concepts5of5Radiologic5Science5Bushon5
g:5Radiologic5Science5for5Technologists,513th5Edition
MULTIPLE5CHOICE
1. Matter5 is5 measured5 in .
a. kilograms
b. joules
c. electron5 volts
d. rems
ANS:5 A
Matter5 is5 measured5 in5 kilograms.
2. Atoms5 and5 molecules5 are5 the5 fundamental5 building5blocks5 of .
a. energy
b. radiation
c. matter
d. gravity
ANS:5 C
Atoms5and5 molecules5 are5 the5 fundamental5 building5blocks5 of5 matter.
3. Ice5 and5 steam5 are5 examples5 of5 two5 forms5 of .
a. matter
b. radiation
c. energy
d. work
ANS:5 A
Ice5 and5 steam5 are5 examples5 of5 two5 forms5 of5 matter.
4. The5formula5 E5 =5 mc25 is5 the5 basis5 for5 the5 theory5 that5 led5 to5 the5 development5 of .
a. x-rays
b. electromagnetic5radiation
c. nuclear5 power
d. cathode5 ray5 tubes
ANS:5 C
The5 formula5 E5 =5 mc25 is5 the5 basis5 for5 the5 theory5that5 led5 to5 the5 development5 of5 nuclear5 power.
5. Radio5 waves,5 light,5 and5 x-rays5 are5 all5 examples5 of energy.
a. nuclear
b. thermal
c. electrical
d. electromagnetic
ANS:5 D
Electromagnetic5energy5includes5radio5waves,5light,5and5x-
5rays5as5well5as5other5parts5of5the5spectrum.
, 6. A5 moving5 object5 has energy.
a. potential
b. kinetic
c. nuclear
d. electromagnetic
ANS:5 B
A5 moving5object5 has5 kinetic5 energy.
7. What5 is5 the5 removal5 of5 an5 electron5 from5 an5 atom5 called?
a. Ionization
b. Pair5 production
c. Irradiation
d. Electricity
ANS:5 A
The5removal5 of5 an5 electron5 from5 an5 atom5 is5 called5 ionization.
8. Ionizing5 radiation5 is5 capable5 of5 removing
from5atoms5as5it5passes5through5th
e matter.
5 5
a. neutrons
b. protons
c. electrons
d. ions
ANS:5 C
Ionizing5radiation5 is5 capable5 of5 removing5 electrons5 from5 atoms5 as5 it5 passes5 through5 the5 matter.
9. The5 energy5 of5 x-rays5 is5 _ .
a. thermal
b. potential
c. kinetic
d. electromagnetic
ANS:5 D
X-rays5 are5 a5 form5 of5 electromagnetic5 energy.
10. The5 biggest5 source5 of5 man-made5 ionizing5 radiation5 exposure5 to5 the5 public5 is
.
a. atomic5fallout
b. diagnostic5x-rays
c. smoke5 detectors
d. nuclear5 power5 plants
ANS:5 B
Medical5 x-ray5 exposure5is5 the5biggest5 source5 of5 man-made5 radiation.
11. In5 the5 United5 States,5 we5 are5 exposed5 to
_5mSv/year5of5ionizing5radiation5from5th
e natural5environment.
5 5
a. 05 to5 5
b. 55 to5 20
c. 205 to5 90
,Chapter501:5Essential5Concepts5of5Radiologic5Science5Bushon5
g:5Radiologic5Science5for5Technologists,513th5Edition
MULTIPLE5CHOICE
1. Matter5 is5 measured5 in .
a. kilograms
b. joules
c. electron5 volts
d. rems
ANS:5 A
Matter5 is5 measured5 in5 kilograms.
2. Atoms5 and5 molecules5 are5 the5 fundamental5 building5blocks5 of .
a. energy
b. radiation
c. matter
d. gravity
ANS:5 C
Atoms5and5 molecules5 are5 the5 fundamental5 building5blocks5 of5 matter.
3. Ice5 and5 steam5 are5 examples5 of5 two5 forms5 of .
a. matter
b. radiation
c. energy
d. work
ANS:5 A
Ice5 and5 steam5 are5 examples5 of5 two5 forms5 of5 matter.
4. The5formula5 E5 =5 mc25 is5 the5 basis5 for5 the5 theory5 that5 led5 to5 the5 development5 of .
a. x-rays
b. electromagnetic5radiation
c. nuclear5 power
d. cathode5 ray5 tubes
ANS:5 C
The5 formula5 E5 =5 mc25 is5 the5 basis5 for5 the5 theory5that5 led5 to5 the5 development5 of5 nuclear5 power.
5. Radio5 waves,5 light,5 and5 x-rays5 are5 all5 examples5 of energy.
a. nuclear
b. thermal
c. electrical
d. electromagnetic
ANS:5 D
Electromagnetic5energy5includes5radio5waves,5light,5and5x-
5rays5as5well5as5other5parts5of5the5spectrum.
, 6. A5 moving5 object5 has energy.
a. potential
b. kinetic
c. nuclear
d. electromagnetic
ANS:5 B
A5 moving5object5 has5 kinetic5 energy.
7. What5 is5 the5 removal5 of5 an5 electron5 from5 an5 atom5 called?
a. Ionization
b. Pair5 production
c. Irradiation
d. Electricity
ANS:5 A
The5removal5 of5 an5 electron5 from5 an5 atom5 is5 called5 ionization.
8. Ionizing5 radiation5 is5 capable5 of5 removing
from5atoms5as5it5passes5through5th
e matter.
5 5
a. neutrons
b. protons
c. electrons
d. ions
ANS:5 C
Ionizing5radiation5 is5 capable5 of5 removing5 electrons5 from5 atoms5 as5 it5 passes5 through5 the5 matter.
9. The5 energy5 of5 x-rays5 is5 _ .
a. thermal
b. potential
c. kinetic
d. electromagnetic
ANS:5 D
X-rays5 are5 a5 form5 of5 electromagnetic5 energy.
10. The5 biggest5 source5 of5 man-made5 ionizing5 radiation5 exposure5 to5 the5 public5 is
.
a. atomic5fallout
b. diagnostic5x-rays
c. smoke5 detectors
d. nuclear5 power5 plants
ANS:5 B
Medical5 x-ray5 exposure5is5 the5biggest5 source5 of5 man-made5 radiation.
11. In5 the5 United5 States,5 we5 are5 exposed5 to
_5mSv/year5of5ionizing5radiation5from5th
e natural5environment.
5 5
a. 05 to5 5
b. 55 to5 20
c. 205 to5 90
