Test Bank For Radiologic Science for Technologists 12th Edition by Bushong, Complete Guide Chapter 1-40.

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TEST BANK p




For Radiologic Science for Technologists 12th Edition by Bushong,
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p Complete Guide Chapter 1-40.
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Chapter 01: Essential Concepts of Radiologic Science
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Bushong: Radiologic Science for Technologists, 12th Edition
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MULTIPLE CHOICE p




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



d. rems
ANS: A p



Matter is measured in kilograms.
p p p p




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



Atoms and molecules are the fundamental building blocks of matter.
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3. Ice and steam are examples of two forms of
p p p p p p p p .
a. matter
b. radiation
c. energy
d. work
ANS: A p



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




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



c. nuclear power p



d. cathode ray tubes p p




ANS: C p



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




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



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



spectrum.
p

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



A moving object has kinetic energy.
p p p p p




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



a. Ionization
b. Pair production p



c. Irradiation
d. Electricity
ANS: A p



The removal of an electron from an atom is called ionization.
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8. Ionizing radiation is capable of removing p p p p p from atoms as it passes through the
p p p p p p



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



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




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



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




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



.
a. atomic fallout p



b. diagnostic x-rays p



c. smoke detectors p



d. nuclear power plants p p




ANS: B p



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




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



p natural environment. p



a. 0 to 5 p p



b. 5 to 20 p p



c. 20 to 90 p p

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d. 100 to 300 p p




ANS: A p



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



United States.
p p




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



Today, radiologyis considered to be a safe occupation because of effective radiation protection
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practices.
p




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



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



Radioactivityis a special quantity of radiologic science. p p p p p p p




14. What does ALARA mean?
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a. All Level Alert Radiation Accident
p p p p



b. As Low As Reasonably Achievable
p p p p



c. Always Leave A Restricted Area p p p p



d. As Low As Regulations Allow
p p p p




ANS: B p



ALARA means As Low As Reasonably Achievable.
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15. Computed tomography was developed in the
p p p p p .
a. 1890s
b. 1920s
c. 1970s
d. 1990s
ANS: C p



Computed tomography was developed in the 1970s.
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16. Filtration is used to p . p p



a. absorb low-energy x-rays p p



b. remove high-energy x-rays p p



c. restrict the useful beam to the bodypart imaged
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d. fabricate gonadal shields p p




ANS: A p



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