Bushong Radiologic Science for Technologists, 12th Edition Test bank A+

Bushong Radiologic Science for Technologists,
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 arexaxformxofxelectromagneticxenergy.

10. Thexbiggestxsourcexofxman-madexionizingxradiationxexposurextoxthexpublicxis
.
a. atomicxfallout
b. diagnosticxx-rays
c. smokexdetectors
d. nuclearxpowerxplants
ANS:x B
Medicalxx-rayxexposurexisxthexbiggestxsourcexofxman-madexradiation.

11. InxthexUnitedxStates,xwexarexexposedxto
_xmSv/yearxofxionizingxradiationxfromxth
exnaturalxenvironment.
a. 0xtox5
b. 5xtox20

, c. 20xtox90
d. 100xtox300

ANS:x A
Wexarexexposedxtoxaboutx3xmSv/yrxofxionizingxradiationxfromxnaturalxenvironmentalxsources
xinxthexUnitedxStates.


12. isxaxspecialxquantityxofxradiologicxscience.
a. Mass
b. Velocity
c. Radioactivity
d. Momentum
ANS:x C
Radioactivityxisxaxspecialxquantityxofxradiologicxscience.

13. Today,xradiologyxisxconsideredxtoxbexa(n) occupation.
a. safe
b. unsafe
c. dangerous
d. high-risk

ANS:x A
Today,xradiologyxisxconsideredxtoxbexaxsafexoccupationxbecausexofxeffectivexradiationxprotec
tionxpractices.

14. WhatxdoesxALARAxmean?
a. AllxLevelxAlertxRadiationxAccident
b. AsxLowxAsxReasonablyxAchievabl
e
c. AlwaysxLeavexAxRestrictedxArea
d. AsxLowxAsxRegulationsxAllow

ANS:x B
ALARAxmeansxAsxLowxAsxReasonablyxAchievable.

15. Computedxtomographyxwasxdevelopedxinxthe .
a. 1890s
b. 1920s
c. 1970s
d. 1990s

ANS:x C
Computedxtomographyxwasxdevelopedxinxthex1970s.

16. Filtrationxisxusedxto .
a. absorbxlow-energyxx-rays
b. removexhigh-energyxx-rays
c. restrictxthexusefulxbeamxtoxthexbodyxpartximage
d
d. fabricatexgonadalxshields

ANS:x A