Radiologic Science Key Concepts and Principles for Technologists
What is matter measured in? Kilograms
What are the fundamental building Atoms and molecules
blocks of matter?
What are ice and steam examples of? Forms of matter
What theory is based on the formula E Nuclear power
= mc²?
What type of energy do radio waves, Electromagnetic energy
light, and x-rays represent?
What type of energy does a moving Kinetic energy
object have?
What is the removal of an electron Ionization
from an atom called?
What can ionizing radiation remove Electrons
from atoms?
What type of energy are x-rays? Electromagnetic energy
What is the biggest source of man- Diagnostic x-rays
made ionizing radiation exposure to
the public?
How much ionizing radiation are we About 3 mSv/year
exposed to from the natural
environment in the U.S.?
,Radiologic Science Key Concepts and Principles for Technologists
How is radiology considered today? A safe occupation
What is a special quantity of radiologic Radioactivity
science?
What does ALARA stand for? As Low As Reasonably Achievable
When was computed tomography In the 1970s
developed?
What is the purpose of filtration in To absorb low-energy x-rays
radiology?
What are the basic quantities Mass, length, and time
measured in mechanics?
What is an example of a derived Volume
quantity in mechanical physics?
In what units is exposure measured? Grays
What is the decimal equivalent of the 0.004
proper fraction 4/1000?
What is the decimal equivalent of the 3.90
improper fraction 289/74?
What is the first step to expressing a Write the number in decimal form
number in scientific notation?
,Radiologic Science Key Concepts and Principles for Technologists
What is 6080 in exponential form? 6.080 × 10³
What are most graphs based on? A horizontal (x-axis) and a vertical (y-axis)
What is the SI unit of velocity? Meters per second
In which units should mass density be Kilograms per cubic meter
reported?
What will an object at rest do if no Stay at rest
outside forces are applied?
What describes the difference Velocity includes direction, speed does not
between speed and velocity?
What does Newton's third law of For every action, there is an equal and opposite
motion state? reaction
What is work the product of? Force and distance
What is thermal radiation? The transfer of heat by the emission of infrared
radiation
What type of heat transfer occurs Conduction
when you burn your finger by touching
a hot iron?
What type of heat transfer occurs Convection
when water is boiled?
, Radiologic Science Key Concepts and Principles for Technologists
What are the two cryogens used in Liquid nitrogen and liquid helium
magnetic resonance imaging?
When you stretch a rubber band, what Potential energy
type of energy are you storing?
Who first used the term 'atom'? The Greeks
Who first described an element as John Dalton
being composed of identical atoms?
What is the smallest particle that has An atom
all the properties of an element?
Who developed the periodic table of Mendeleev
elements?
What did Rutherford's experiments in The atom was composed of a nucleus with an
1911 show about the atom? electron cloud.
What model of the atom describes a The Bohr model
positively charged nucleus surrounded
by negatively charged electrons in
well-defined orbits?
What are the fundamental particles of Proton, electron, neutron
an atom?
What determines the chemical The number of protons in the atom.
element?
What is the electrical charge of an Zero
atom in a normal state?
What is matter measured in? Kilograms
What are the fundamental building Atoms and molecules
blocks of matter?
What are ice and steam examples of? Forms of matter
What theory is based on the formula E Nuclear power
= mc²?
What type of energy do radio waves, Electromagnetic energy
light, and x-rays represent?
What type of energy does a moving Kinetic energy
object have?
What is the removal of an electron Ionization
from an atom called?
What can ionizing radiation remove Electrons
from atoms?
What type of energy are x-rays? Electromagnetic energy
What is the biggest source of man- Diagnostic x-rays
made ionizing radiation exposure to
the public?
How much ionizing radiation are we About 3 mSv/year
exposed to from the natural
environment in the U.S.?
,Radiologic Science Key Concepts and Principles for Technologists
How is radiology considered today? A safe occupation
What is a special quantity of radiologic Radioactivity
science?
What does ALARA stand for? As Low As Reasonably Achievable
When was computed tomography In the 1970s
developed?
What is the purpose of filtration in To absorb low-energy x-rays
radiology?
What are the basic quantities Mass, length, and time
measured in mechanics?
What is an example of a derived Volume
quantity in mechanical physics?
In what units is exposure measured? Grays
What is the decimal equivalent of the 0.004
proper fraction 4/1000?
What is the decimal equivalent of the 3.90
improper fraction 289/74?
What is the first step to expressing a Write the number in decimal form
number in scientific notation?
,Radiologic Science Key Concepts and Principles for Technologists
What is 6080 in exponential form? 6.080 × 10³
What are most graphs based on? A horizontal (x-axis) and a vertical (y-axis)
What is the SI unit of velocity? Meters per second
In which units should mass density be Kilograms per cubic meter
reported?
What will an object at rest do if no Stay at rest
outside forces are applied?
What describes the difference Velocity includes direction, speed does not
between speed and velocity?
What does Newton's third law of For every action, there is an equal and opposite
motion state? reaction
What is work the product of? Force and distance
What is thermal radiation? The transfer of heat by the emission of infrared
radiation
What type of heat transfer occurs Conduction
when you burn your finger by touching
a hot iron?
What type of heat transfer occurs Convection
when water is boiled?
, Radiologic Science Key Concepts and Principles for Technologists
What are the two cryogens used in Liquid nitrogen and liquid helium
magnetic resonance imaging?
When you stretch a rubber band, what Potential energy
type of energy are you storing?
Who first used the term 'atom'? The Greeks
Who first described an element as John Dalton
being composed of identical atoms?
What is the smallest particle that has An atom
all the properties of an element?
Who developed the periodic table of Mendeleev
elements?
What did Rutherford's experiments in The atom was composed of a nucleus with an
1911 show about the atom? electron cloud.
What model of the atom describes a The Bohr model
positively charged nucleus surrounded
by negatively charged electrons in
well-defined orbits?
What are the fundamental particles of Proton, electron, neutron
an atom?
What determines the chemical The number of protons in the atom.
element?
What is the electrical charge of an Zero
atom in a normal state?
