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Edition by Bushong Chapter 1-40 [Updated 2024]
TES BANK J
,Chapter 01: Essential Concepts of Radiologic Science
Bushong: Radiologic Science for Technologists, 12th Edition
MULTIPLE CHOICE
1. Matter is measured in
J J J .
a. kilograms
b. joules
c. electron volts J
d. rems
ANS: A J
Matter is measured in kilograms.
J J J J
2. Atoms and molecules are the fundamental building blocks of
J J J J J J J J .
a. energy
b. radiation
c. matter
d. gravity
ANS: C J
Atoms and molecules are the fundamental building blocks of matter.
J J J J J J J J J
3. Ice and steam are examples of two forms of
J J J J J J J J .
a. matter
b. radiation
c. energy
d. work
ANS: A J
Ice and steam are examples of two forms of matter.
J J J J J J J J J
4. The formula E = mc2 is the basis for the theory that led to the development of
J J J J
J
J J J J J J J J J J J .
a. x-rays
b. electromagnetic radiation J
c. nuclear power J
d. cathode ray tubes J J
ANS: C J
The formula E = mc2 is the basis for the theory that led to the development of nuclear power.
J J J J J J J J J J J J J J J J J J
5. Radio waves, light, and x-rays are all examples of
J J J J J J J J energy.
a. nuclear
b. thermal
c. electrical
d. electromagnetic
ANS: D J
Electromagnetic energy includes radio waves, light, and x-rays as well as other parts of the spectrum.
J J J J J J J J J J J J J J J
, 6. A moving object has
J J J energy.
a. potential
b. kinetic
c. nuclear
d. electromagnetic
ANS: B J
A moving object has kinetic energy.
J J J J J
7. What is the removal of an electron from an atom called?
J J J J J J J J J J
a. Ionization
b. Pair production J
c. Irradiation
d. Electricity
ANS: A J
The removal of an electron from an atom is called ionization.
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8. Ionizing radiation is capable of removing
J J J J J from atoms as it passes through the
J J J J J J J
matter.
a. neutrons
b. protons
c. electrons
d. ions
ANS: C J
Ionizing radiation is capable of removing electrons from atoms as it passes through the matter.
J J J J J J J J J J J J J J
9. The energy of x-rays is _
J J J J J .
a. thermal
b. potential
c. kinetic
d. electromagnetic
ANS: D J
X-rays are a form of electromagnetic energy.
J J J J J J
10. The biggest source of man-made ionizing radiation exposure to the public is
J J J J J J J J J J J
.
a. atomic fallout J
b. diagnostic x-rays J
c. smoke detectors J
d. nuclear power plants J J
ANS: B J
Medical x-ray exposure is the biggest source of man-made radiation.
J J J J J J J J J
11. In the United States, we are exposed to
J J J J J J J _ mSv/year of ionizing radiation from the
J J J J J J J
natural environment. J
a. 0 to 5 J J
b. 5 to 20 J J
c. 20 to 90 J J
, d. 100 to 300 J J
ANS: A J
We are exposed to about 3 mSv/yr of ionizing radiation from natural environmental sources in the
J J J J J J J J J J J J J J J J
United States.J
12. Today, radiology is considered to be a(n)
J J J J J J occupation.
a. safe
b. unsafe
c. dangerous
d. high-risk
ANS: A J
Today, radiology is considered to be a safe occupation because of effective radiation protection
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practices.
13. is a special quantity of radiologic science. J J J J J J
a. Mass
b. Velocity
c. Radioactivity
d. Momentum
ANS: C J
Radioactivity is a special quantity of radiologic science. J J J J J J J
14. What does ALARA mean?
J J J
a. All Level Alert Radiation Accident
J J J J
b. As Low As Reasonably Achievable
J J J J
c. Always Leave A Restricted Area J J J J
d. As Low As Regulations Allow
J J J J
ANS: B J
ALARA means As Low As Reasonably Achievable.
J J J J J J
15. Computed tomography was developed in theJ J J J J .
a. 1890s
b. 1920s
c. 1970s
d. 1990s
ANS: C J
Computed tomography was developed in the 1970s.
J J J J J J
16. Filtration is used to J .J J
a. absorb low-energy x-rays J J
b. remove high-energy x-rays J J
c. restrict the useful beam to the body part imaged
J J J J J J J J
d. fabricate gonadal shields J J
ANS: A J
Filtration is used to absorb low-energy x-rays.
J J J J J J