Chapter 01: Essential Concepts of Radiologic Science Bushong: Radiologic Science
for Technologists
MULTIPLE CHOICE
1. Matter is measured in .
a. kilograms
b. joules
c. electron volts
d. rems
ANS: A
Matter is measured in kilograms.
2. 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.
3. 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.
4. 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.
5. 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.
6. A moving object has energy.
a. potential
b. kinetic
c. nuclear
d. electromagnetic
ANS: B
A moving object has kinetic energy.
7. 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.
8. 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.
9. The energy of x-rays is _ .
a. thermal
b. potential
c. kinetic
d. electromagnetic
ANS: D
X-rays are a form of electromagnetic energy.
10. The biggest source of man-made ionizing radiation exposure to the public
is
for Technologists
MULTIPLE CHOICE
1. Matter is measured in .
a. kilograms
b. joules
c. electron volts
d. rems
ANS: A
Matter is measured in kilograms.
2. 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.
3. 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.
4. 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.
5. 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.
6. A moving object has energy.
a. potential
b. kinetic
c. nuclear
d. electromagnetic
ANS: B
A moving object has kinetic energy.
7. 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.
8. 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.
9. The energy of x-rays is _ .
a. thermal
b. potential
c. kinetic
d. electromagnetic
ANS: D
X-rays are a form of electromagnetic energy.
10. The biggest source of man-made ionizing radiation exposure to the public
is
