Chapter 01: Essential Concepts of Radiologic Science
Bushong: Radiologic Science for Technologists: Physics, Biology, and Protection, 11th
Edition
MULTIPLE CHOICE
1. Matter is measured in ___________.
a. kilograms
b. joules
c. electron volts
d. rems
ANS: A
Matter is measured in kilograms.
DIF: Easy REF: p. 3 OBJ: Recognize the unit of measurement for matter.
2. Energy is measured in ___________.
a. kilograms
b. joules
c. electron volts
d. B or C
ANS: D
Energy is measured in joules or electron volts.
DIF: Moderate REF: p. 4 OBJ: Recognize the unit of measurement for energy.
3. Atoms and molecules are the fundamental building blocks of ___________.
a. energy
b. radiation
c. matter
d. gravity
ANS: C
Atoms and molecules are the fundamental building blocks of matter.
DIF: Moderate REF: p. 3 OBJ: List the fundamental building blocks of matter.
4. Ice and steam are examples of two forms of ___________.
a. matter
b. radiation
c. energy
d. work
ANS: A
Ice and steam are examples of two forms of matter.
DIF: Difficult REF: p. 4 OBJ: Describe states of matter.
5. The formula E=mc2 is the basis for the theory that led to the development of __________.
, a. x-rays
b. electromagnetic radiation
c. nuclear power
d. cathode ray tubes
ANS: C
The formula E=mc2 is the basis for the theory that led to the development of nuclear power.
DIF: Difficult REF: p. 5 OBJ: Understand the theory of energy-mass equivalence.
6. Radio waves, light, and x-rays are all examples of _________ energy.
a. nuclear
b. thermal
c. electrical
d. electromagnetic
ANS: D
Electromagnetic energy includes radio waves, light, and x-rays as well as other parts of the
spectrum.
DIF: Difficult REF: p. 4 OBJ: List types of electromagnetic energy.
7. A moving object has ____________ energy.
a. potential
b. kinetic
c. nuclear
d. electromagnetic
ANS: B
A moving object has kinetic energy.
DIF: Moderate REF: p. 4 OBJ: Identify various forms of energy.
8. What is the removal of an electron from an atom called?
a. Ionization
b. Pair production
c. Irradiation
d. Electricity
ANS: A
The removal of an electron from an atom is called ionization.
DIF: Moderate REF: p. 5 OBJ: Understand ionization of matter.
9. Ionizing radiation is capable of removing ____________ from atoms as it passes through the
matter.
a. neutrons
b. protons
c. electrons
d. ions
ANS: C
Ionizing radiation is capable of removing electrons from atoms as it passes through the matter.
Bushong: Radiologic Science for Technologists: Physics, Biology, and Protection, 11th
Edition
MULTIPLE CHOICE
1. Matter is measured in ___________.
a. kilograms
b. joules
c. electron volts
d. rems
ANS: A
Matter is measured in kilograms.
DIF: Easy REF: p. 3 OBJ: Recognize the unit of measurement for matter.
2. Energy is measured in ___________.
a. kilograms
b. joules
c. electron volts
d. B or C
ANS: D
Energy is measured in joules or electron volts.
DIF: Moderate REF: p. 4 OBJ: Recognize the unit of measurement for energy.
3. Atoms and molecules are the fundamental building blocks of ___________.
a. energy
b. radiation
c. matter
d. gravity
ANS: C
Atoms and molecules are the fundamental building blocks of matter.
DIF: Moderate REF: p. 3 OBJ: List the fundamental building blocks of matter.
4. Ice and steam are examples of two forms of ___________.
a. matter
b. radiation
c. energy
d. work
ANS: A
Ice and steam are examples of two forms of matter.
DIF: Difficult REF: p. 4 OBJ: Describe states of matter.
5. The formula E=mc2 is the basis for the theory that led to the development of __________.
, a. x-rays
b. electromagnetic radiation
c. nuclear power
d. cathode ray tubes
ANS: C
The formula E=mc2 is the basis for the theory that led to the development of nuclear power.
DIF: Difficult REF: p. 5 OBJ: Understand the theory of energy-mass equivalence.
6. Radio waves, light, and x-rays are all examples of _________ energy.
a. nuclear
b. thermal
c. electrical
d. electromagnetic
ANS: D
Electromagnetic energy includes radio waves, light, and x-rays as well as other parts of the
spectrum.
DIF: Difficult REF: p. 4 OBJ: List types of electromagnetic energy.
7. A moving object has ____________ energy.
a. potential
b. kinetic
c. nuclear
d. electromagnetic
ANS: B
A moving object has kinetic energy.
DIF: Moderate REF: p. 4 OBJ: Identify various forms of energy.
8. What is the removal of an electron from an atom called?
a. Ionization
b. Pair production
c. Irradiation
d. Electricity
ANS: A
The removal of an electron from an atom is called ionization.
DIF: Moderate REF: p. 5 OBJ: Understand ionization of matter.
9. Ionizing radiation is capable of removing ____________ from atoms as it passes through the
matter.
a. neutrons
b. protons
c. electrons
d. ions
ANS: C
Ionizing radiation is capable of removing electrons from atoms as it passes through the matter.
