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
a1 a1 a1 a1 a1 a1


Bushong: Radiologic Science for Technologists, 12th Edition
a1 a1 a1 a1 a1 a1 a1




MULTIPLE CHOICE a1




1. Matter is measured in a1 a1 a1 .
a. kilograms
b. joules
c. electron volts a1


d. rems
ANS: A a1


Matter is measured in kilograms.
a1 a1 a1 a1




2. Atoms and molecules are the fundamental building blocks of
a1 a1 a1 a1 a1 a1 a1 a1 .
a. energy
b. radiation
c. matter
d. gravity
ANS: C a1


Atoms and molecules are the fundamental building blocks of matter.
a1 a1 a1 a1 a1 a1 a1 a1 a1




3. Ice and steam are examples of two forms of
a1 a1 a1 a1 a1 a1 a1 a1 .
a. matter
b. radiation
c. energy
d. work
ANS: A a1


Ice and steam are examples of two forms of matter.
a1 a1 a1 a1 a1 a1 a1 a1 a1




4. The formula E = mc2 is the basis for the theory that led to the development of
a1 a1 a1 a1
a1
a1 a1 a1 a1 a1 a1 a1 a1 a1 a1 a1 .
a. x-rays
b. electromagnetic radiation a1


c. nuclear power a1


d. cathode ray tubes a1 a1




ANS: C a1


The formula E = mc2 is the basis for the theory that led to the development of nuclear
a1 a1 a1 a1 a1 a1 a1 a1 a1 a1 a1 a1 a1 a1 a1 a1 a1


power.
a1




5. Radio waves, light, and x-rays are all examples of
a1 a1 a1 a1 a1 a1 a1 a1 energy.
a. nuclear
b. thermal
c. electrical
d. electromagnetic
ANS: D a1


Electromagnetic energy includes radio waves, light, and x-rays as well as other parts of the
a1 a1 a1 a1 a1 a1 a1 a1 a1 a1 a1 a1 a1 a1


spectrum.
a1

, 6. A a1 moving object has a1 a1 energy.
a. potential
b. kinetic
c. nuclear
d. electromagnetic
ANS: B a1


A moving object has kinetic energy.
a1 a1 a1 a1 a1




7. What is the removal of an electron from an atom called?
a1 a1 a1 a1 a1 a1 a1 a1 a1 a1


a. Ionization
b. Pair production a1


c. Irradiation
d. Electricity
ANS: A a1


The removal of an electron from an atom is called ionization.
a1 a1 a1 a1 a1 a1 a1 a1 a1 a1




8. Ionizing radiation is capable of removing
a1 a1 a1 a1 a1 from atoms as it passes through
a1 a1 a1 a1 a1


the matter.
a1 a1


a. neutrons
b. protons
c. electrons
d. ions
ANS: C a1


Ionizing radiation is capable of removing electrons from atoms as it passes through the matter.
a1 a1 a1 a1 a1 a1 a1 a1 a1 a1 a1 a1 a1 a1




9. The energy of x-rays is _
a1 a1 a1 a1 a1 .
a. thermal
b. potential
c. kinetic
d. electromagnetic
ANS: D a1


X-rays are a form of electromagnetic energy.
a1 a1 a1 a1 a1 a1




10. The biggest source of man-made ionizing radiation exposure to the public is
a1 a1 a1 a1 a1 a1 a1 a1 a1 a1 a1


.
a. atomic fallout a1


b. diagnostic x-rays a1


c. smoke detectors a1


d. nuclear power plants a1 a1




ANS: B a1


Medical x-ray exposure is the biggest source of man-made radiation.
a1 a1 a1 a1 a1 a1 a1 a1 a1




11. In the United States, we are exposed to
a1 a1 a1 a1 a1 a1 a1 _ mSv/year of ionizing radiation from
a1 a1 a1 a1 a1


the natural environment.
a1 a1 a1


a. 0 to 5 a1 a1


b. 5 to 20 a1 a1


c. 20 to 90 a1 a1

, d. 100 to 300 a1 a1




ANS: A a1


We are exposed to about 3 mSv/yr of ionizing radiation from natural environmental
a1 a1 a1 a1 a1 a1 a1 a1 a1 a1 a1 a1


sources in the United States.
a1 a1 a1 a1 a1




12. Today, radiology is considered to be a(n)
a1 a1 a1 a1 a1 a1 occupation.
a. safe
b. unsafe
c. dangerous
d. high-risk
ANS: A a1


Today, radiology is considered to be a safe occupation because of effective radiation
a1 a1 a1 a1 a1 a1 a1 a1 a1 a1 a1 a1


protection practices.
a1 a1




13. is a special quantity of radiologic science.
a1 a1 a1 a1 a1 a1


a. Mass
b. Velocity
c. Radioactivity
d. Momentum
ANS: C a1


Radioactivity is a special quantity of radiologic science.
a1 a1 a1 a1 a1 a1 a1




14. What does ALARA mean?
a1 a1 a1


a. All Level Alert Radiation Accident
a1 a1 a1 a1


b. As Low As Reasonably Achievable
a1 a1 a1 a1


c. Always Leave A Restricted Area a1 a1 a1 a1


d. As Low As Regulations Allow
a1 a1 a1 a1




ANS: B a1


ALARA means As Low As Reasonably Achievable.
a1 a1 a1 a1 a1 a1




15. Computed tomography was developed in the
a1 a1 a1 a1 a1 .
a. 1890s
b. 1920s
c. 1970s
d. 1990s
ANS: C a1


Computed tomography was developed in the 1970s.
a1 a1 a1 a1 a1 a1




16. Filtration is used to a1 a1 . a1


a. absorb low-energy x-rays a1 a1


b. remove high-energy x-rays a1 a1


c. restrict the useful beam to the body part imaged
a1 a1 a1 a1 a1 a1 a1 a1


d. fabricate gonadal shields a1 a1




ANS: A a1


Filtration is used to absorb low-energy x-rays.
a1 a1 a1 a1 a1 a1