Test Bank Bushong’s Radiologic Science for Technologists: Physics, Biology, and Protection, 13th Edition (By Stewart C. Bushong, Elizabeth Shields.)

,Chapter 01: Essential Concepts of Radiologic Science Bushon
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g: Radiologic Science for Technologists, 13th Edition
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MULTIPLE CHOICE C/




1. Matter is measured inC/ C/ C/ .
a. kilograms
b. joules
c. electron volts C/


d. rems
ANS: A C/


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


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


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
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a. x-rays
b. electromagnetic radiation C/


c. nuclear power C/


d. cathode ray tubes C/ C/




ANS: C C/


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
C/ C/ C/ C/ C/ C/ C/ C/ energy.
a. nuclear
b. thermal
c. electrical
d. electromagnetic
ANS: D C/


Electromagnetic energy includes radio waves, light, and x- C/ C/ C/ C/ C/ C/ C/


rays as well as other parts of the spectrum.
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, 6. A moving object has
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a. potential
b. kinetic
c. nuclear
d. electromagnetic
ANS: B C/


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 C/


c. Irradiation
d. Electricity
ANS: A C/


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


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 _
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a. thermal
b. potential
c. kinetic
d. electromagnetic
ANS: D C/


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 C/


b. diagnostic x-rays C/


c. smoke detectors C/


d. nuclear power plants C/ C/




ANS: B C/


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
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_ mSv/year of ionizing radiation from the
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natural environment.
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a. 0 to 5 C/ C/


b. 5 to 20 C/ C/


c. 20 to 90 C/ C/

, d. 100 to 300 C/ C/




ANS: A C/


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


Today, radiology is considered to be a safe occupation because of effective radiation protecti
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on practices.
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13. is a special quantity of radiologic science.
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a. Mass
b. Velocity
c. Radioactivity
d. Momentum
ANS: C C/


Radioactivity is a special quantity of radiologic science.
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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 C/ C/ C/ C/


d. As Low As Regulations Allow
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ANS: B C/


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


Computed tomography was developed in the 1970s.
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16. Filtration is used to C/ .
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a. absorb low-energy x-rays C/ C/


b. remove high-energy x-rays C/ C/


c. restrict the useful beam to the body part imaged
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d. fabricate gonadal shields C/ C/




ANS: A C/


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