Digital Radiography and PACS 4th Edition (2023) – Complete Test Bank

TestBankFor./Radiologic./ScienceforTechnologists12th./Ed
ition./by./Bushong./Chapter./1-40./[Updated./2024]




TESTBANK

,Chapter./01:./Essential./Concepts./of./ Radiologic./Science./Bushong:
RadiologicScienceforTechnologists,12thEdition


MULTIPLE./CHOICE

1. Matter./is./measured./in .
a. kilograms
b. joules
c. electronJvolts
d. rems
ANS:./A
Matter./is./measured./in./kilograms.

2. Atoms./and./molecules./areJthe./fundamental./building./blocks./of .
a. energy
b. radiation
c. matter
d. gravity
ANS:./C
Atoms./and./molecules./areJthe./fundamental./building./blocks./ofJmatter.

3. Ice./and./steam./areJexamples./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./theJbasis./for./the./theory./that./ledJto./theJdevelopment./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./ledJto./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./radioJwaves,./light,./andJx-rays./as./well./as./other./parts./of./theJspectrum.

, 6. A./moving./object./has energy.
a. potential
b. kinetic
c. nuclear
d. electromagnetic
ANS:./B
A./moving./object./hasJkinetic./energy.

7. What./is./the./removal./of./an./electron./fromJan./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./capableJof./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./asJit./passes./through./theJmatter.

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./biggestJsource./of./man-made./ionizingJradiation./exposure./to./the./publicJis
.
a. atomicJfallout
b. diagnostic./x-rays
c. smoke./detectors
d. nuclear./power./plants
ANS:./B
Medical./x-ray./exposure./is./theJbiggest./source./of./man-made./radiation.

11. In./the./United./States,./we./are./exposed./to
_./mSv/year./of./ionizingJradiation./fromJthe./n./
atural./environment.
a. 0./to./5
b. 5./to./20
c. 20./to./90

, d. 100./to./300
ANS:./A
We./areJexposed./to./about./3./mSv/yr./of./ionizing./radiation./from./natural./environmental./sources./in./the./Uni
ted./States.

12. 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./beJa./safe./occupation./becauseJof./effective./radiation./protection./p./racti
ces.

13. 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.

14. What./does./ALARA./mean?
a. All./Level./Alert./RadiationJAccident
b. As./Low./As./Reasonably./Achievable
c. AlwaysJLeave./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./theJ1970s.

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.