Test Bank for Radiologic Science for Technologists 13th Edition (Mosby, 2025) by Bushong and Shields, Isbn no; 9780323765367, all 40 Chapters Covered

,Chapter 01: Essential Concepts of Radiologic Science
r r r r r r


rBushong: Radiologic Science for Technologists, 13th Edition
r r r r r r




MULTIPLE CHOICE r




1. Matter is measured in r r r .
a. kilograms
b. joules
c. electron volts r


d. rems
ANS: A r


Matter is measured in kilograms.
r r r r




2. Atoms and molecules are the fundamental building blocks of
r r r r r r r r .
a. energy
b. radiation
c. matter
d. gravity
ANS: C r


Atoms and molecules are the fundamental building blocks of matter.
r r r r r r r r r




3. Ice r and steam are examples of two forms of
r r r r r r r .
a. matter
b. radiation
c. energy
d. work
ANS: A r


Ice and steam are examples of two forms of matter.
r r r r r r r r r




4. The formula E = mc2 is the basis for the theory that led to the development of
r r r r
r r
r r r r r r r r r r r .
a. x-rays
b. electromagnetic radiation r


c. nuclear power r


d. cathode ray tubes r r




ANS: C r


The formula E = mc2 is the basis for the theory that led to the development of nuclear power.
r r r r r r r r r r r r r r r r r r




5. Radio waves, light, and x-rays are all examples of
r r r r r r r r energy.
a. nuclear
b. thermal
c. electrical
d. electromagnetic

ANS: D r


Electromagnetic energy includes radio waves, light, and x-rays as well as other parts of the
r r r r r r r r r r r r r r


spectrum.
r

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


A moving object has kinetic energy.
r r r r r




7. What is the removal of an electron from an atom called?
r r r r r r r r r r


a. Ionization
b. Pair production r


c. Irradiation
d. Electricity
ANS: A r


The removal of an electron from an atom is called ionization.
r r r r r r r r r r




8. Ionizing radiation is capable of removing r r r r r from atoms as it passes through
r r r r r


r the matter.
r


a. neutrons
b. protons
c. electrons
d. ions
ANS: C r


Ionizing radiation is capable of removing electrons from atoms as it passes through the matter.
r r r r r r r r r r r r r r




9. The energy of x-rays is _
r r r r r .
a. thermal
b. potential
c. kinetic
d. electromagnetic
ANS: D r


X-rays are a form of electromagnetic energy.
r r r r r r




10. The biggest source of man-made ionizing radiation exposure to the public is
r r r r r r r r r r r


.
a. atomic fallout r


b. diagnostic x-rays r


c. smoke detectors r


d. nuclear power plants r r




ANS: B r


Medical x-ray exposure is the biggest source of man-made radiation.
r r r r r r r r r




11. In the United States, we are exposed to
r r r r r r r _ mSv/year of ionizing radiation from
r r r r r


r the natural environment.
r r


a. 0 to 5 r r


b. 5 to 20 r r


c. 20 to 90 r r

, d. 100 to 300 r r




ANS: A r


We are exposed to about 3 mSv/yr of ionizing radiation from natural environmental sources
r r r r r r r r r r r r r


in the United States.
r r r r




12. Today, radiology is considered to be a(n)
r r r r r r occupation.
a. safe
b. unsafe
c. dangerous
d. high-risk
ANS: A r


Today, radiology is considered to be a safe occupation because of effective radiation protection
r r r r r r r r r r r r r


rpractices.

13. is a special quantity of radiologic science. r r r r r r


a. Mass
b. Velocity
c. Radioactivity
d. Momentum
ANS: C r


Radioactivity is a special quantity of radiologic science. r r r r r r r




14. What does ALARA mean?
r r r


a. All Level Alert Radiation Accident
r r r r


b. As Low As Reasonably Achievable
r r r r


c. Always Leave A Restricted Area r r r r


d. As Low As Regulations Allow
r r r r




ANS: B r


ALARA means As Low As Reasonably Achievable.
r r r r r r




15. Computed tomography was developed in the r r r r r .
a. 1890s
b. 1920s
c. 1970s
d. 1990s
ANS: C r


Computed tomography was developed in the 1970s.
r r r r r r




16. Filtration is used to .
r r r


a. absorb low-energy x-rays r r


b. remove high-energy x-rays r r


c. restrict the useful beam to the body part imagedr r r r r r r r


d. fabricate gonadal shields r r




ANS: A r


Filtration is used to absorb low-energy x-rays.
r r r r r r