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

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TEST BANK e




For Radiologic Science for Technologists 12th Edition by Bushong,
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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 e




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



d. rems
ANS: A e



Matter is measured in kilograms.
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2. Atoms and molecules are the fundamental building blocks of
e e e e e e e e .
a. energy
b. radiation
c. matter
d. gravity
ANS: C e



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



Ice and steam are examples of two forms of matter.
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4. The formula E = mc2 is the basis for the theory that led to the development of
e e e e
e
e e e e e e e e e e e .
a. x-rays
b. electromagnetic radiation e



c. nuclear power e



d. cathode ray tubes e e




ANS: C e



The formula E = mc2 is the basis for the theory that led to the development of nuclear power.
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5. Radio waves, light, and x-rays are all examples of
e e e e e e e e energy.
a. nuclear
b. thermal
c. electrical
d. electromagnetic
ANS: D e



Electromagnetic energyincludes radio waves, light, and x-rays as well as other parts of the
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spectrum.
e

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



A moving object has kinetic energy.
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7. What is the removal of an electron from an atom called?
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a. Ionization
b. Pair production e



c. Irradiation
d. Electricity
ANS: A e



The removal of an electron from an atom is called ionization.
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8. Ionizing radiation is capable of removinge e e e e from atoms as it passes through the
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ematter.
a. neutrons
b. protons
c. electrons
d. ions
ANS: C e



Ionizing radiation is capable of removing electrons from atoms as it passes through the matter.
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9. The energy of x-rays is _
e e e e e .
a. thermal
b. potential
c. kinetic
d. electromagnetic
ANS: D e



X-rays are a form of electromagnetic energy.
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10. The biggest source of man-made ionizing radiation exposure to the public is
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.
a. atomic fallout e



b. diagnostic x-rays e



c. smoke detectors e



d. nuclear power plants e e




ANS: B e



Medical x-ray exposure is the biggest source of man-made radiation.
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11. In the United States, we are exposed to
e e e e e e e _ mSv/year of ionizing radiation from the
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enatural environment. e



a. 0 to 5 e e



b. 5 to 20 e e



c. 20 to 90 e e

, d. 100 to 300 e e




ANS: A e



We are exposed to about 3 mSv/yr of ionizing radiation from natural environmental sources in the
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United States.
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12. Today, radiologyis considered to be a(n)
e e e e e e occupation.
a. safe
b. unsafe
c. dangerous
d. high-risk
ANS: A e



Today, radiologyis considered to be a safe occupation because of effective radiation protection
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practices.
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13. is a special quantity of radiologic science. e e e e e e



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



Radioactivityis a special quantityof radiologic science. e e e e e e e




14. What does ALARA mean?
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a. All Level Alert Radiation Accident
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b. As Low As Reasonably Achievable
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c. Always Leave A Restricted Area e e e e



d. As Low As Regulations Allow
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ANS: B e



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



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



a. absorb low-energy x-rays e e



b. remove high-energy x-rays e e



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




ANS: A e



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