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Rad Chapter 1 Radiologic Science for Technologists Flashcards | StudBud
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Rad Chapter 1 Radiologic Science for Technologists
Rad Chapter 1 Radiologic Science for Technologists
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Chapter 1 from the book of Radiologic science for technologists eleventh edition
Flashcards
89 cards
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Questions
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Answers
1
The kinetic energy of the random motion of moleules
Heat
Power
Momentum
Velocity
2
First used was a sheet of lead with a hole in the center. Restricts the primary beam to the area to be imaged
Collimation
Filtration
Grids
3
Restricts the X-ray beam to the part of body to be imaged
Protective Apparel
Collimation
Grid
Filtration
4
The product of the dose (Gy) times the radiation weighting factor Sv = Gy x W
Effective Dose
Becquerel (Bq)
Equivalent Dose
Sievert
5
The scientific unit of mass is unrelated to gravitational effects
Molecules
Engery
Atom
Kilogram
6
First used leather or aluminum, filtered out an x-ray that would not penetrate the object being radiographed.
Collimation
Grids
Filtration
7
Can harm humans, divided into 2 categories: natural environmental radiation & man-made radiation is referring to
Electromagnetic spectrum
Matter
Ionizing radiation
Energy
8
A greater ability to penetrate other materials, these particles can travel a few feet in the air, & can penetrate skin.
Beta Particle
Alpha Particle
Gamma
Ionizing Radiation
9
This radiation comes from deposits of uranium, thorium, and other radionuclides in the earth
Radon
Cosmic Rays
Terrestrial Radiation
Internally Despoisted Radionuclides
10
Unit of quantity of radioactive material, not radiation emitted by material, which a nucleus disintegrates every second
Sievert
Becquerel (Bq)
Equivalent Dose
Effective Dose
11
Atoms, molecules and kilograms are the 3 divisions of what?
Ionizing radiation
Energy
Electromagnetic spectrum
Matter
12
What is the approximant amount of natural radiation exposure per year?
10 mSv/yr
1 mSv/yr
3 mSv/yr
6 mSv/yr
13
Produced by the nucleus of the atom, the ability to damage tissue as the same as x-rays
X-Rays
Matter
Gamma
Ultraviolet Light
14
The product of the mass of an object and its velocity
Velocity
Acceleration
Momentum
Weight
15
What is the largest man-made source of ionizing radiation.
MRI
Diagnostic X-ray
Fluoroscopy
CT
16
This has the the ability to do work
Chemical energy
Electrical energy
Potential energy
Kinetic energy
17
It is located in the electromagnetic spectrum between visible light and ionizing radiation
X-Rays
Ultraviolet Light
Gamma
Matter
18
The rate of change of an object's position over time; speed
Velocity
Mechanics
Statics
Dynamics
19
Is the product (multiplication) of force and distance
Momentum
Velocity
Work
Weight
20
These 3 regions: visible light, x-and gamma radiations, and RF are referred to as what?
Ionizing radiation
Matter
Energy
Electromagnetic spectrum
21
One method used to minimize radiation by the following list
Protective Barrier
Intensifying Screens
Protective Apparel
Gonadal Shielding
22
Matter, Energy, Electromagnetic spectrum, and Ionizing radiation is the four basic concepts of what?
Transfer of Energy
Science of X-ray Imaging
Radiation
Divisions
23
Estimates the risk presented when various tissues are irradiated uses a tissue weighting factor(Wt) Sv= Gy x Wr x Wt
Equivalent Dose
Effective Dose
Becquerel (Bq)
Sievert
24
The stand units of measurements are
Time
Length
Mass
Energy
25
Defined as the distance traveled by light
Mass
Length
Units
Time
26
The simplest structural unit that displays the characteristics both physical & chemical properties of a compound
Atom
Molecules
Kilogram
Engery
27
Who invented fluoroscopy?
Micheal Pupin
Thomas Edison
Clarence Dally
William Conrad Roentgen
28
It is the smallest unit of an element that can exist either alone or in combination
Engery
Atom
Kilogram
Molecules
29
To be part of this team a student must do the following
Be part of a Nurses team
Be part of a doctors team
Be part of Medical Imaging Team
Be part of a Dentists team
30
Is the quotient of work by time
Power
Momentum
Velocity
Heat
31
A prefix is a syllable at the beginning of a word. This prefix lets you know how many there are of a particular thing.
Absorbed Dose
Numeric Prefixes
Sievert
Air Kerma
32
The removal of an electron from an atom.
Matter
Energy
Electromagnetic Spectrum
Ionizing
33
Anything that occupies space is called what?
Electromagnetic spectrum
Matter
Energy
Ionizing radiation
34
The rate of change of velocity over time
Velocity
Acceleration
Dynamics
Weight
35
Potential energy, when an electrical current moves through and produce other energies: Heat, light
Chemical energy
Kinetic energy
Electrical energy
Potential energy
36
Matter that intercepts radiation and absorbs part or all of it is said to be
Exposed
Eliminated
Irradiated
Absored
37
Is the kinetic energy transferred from photons to electrons during ionization and excitation in air expressed as Gy
a
Numeric Prefixes
Sievert
Air Kerma
Absorbed Dose
38
To supply a satisfactory image you must use the following for which device?
Radiography
Fluoroscopy
C.T. Scanning (C.A.T.)
X-ray tube
39
Placed between patient & IR,reduces scattered radiation (produced mainly by Compton effect) improves image contrast
Collimantion
Grid
Filtration
40
What energy that is contained within the nucleus of an atom.
Nuclear energy
Electromagnetic energy
Kinetic energy
Thermal energy (heat)-
41
Lead-impregnated material to protect persons of childbearing years if beam is w/in 5cm of area of concern
Gonadal Shielding
Protective Barriers
Collimation
Protective Apparel
42
In February of 1896 was the first x-ray examination, where did it take place
Princent
Harvard
Dartmouth
Yale
43
Keep radiation exposures As Low As Reasonably Achievable is known as ALARA
True
False
44
Of the list given this describes what type of Medical Imaging?
C.T. Scanning (C.A.T.)
Fluoroscopy
Radiography
X-ray tube
45
These 7 forms: Potential, Kinetic, Chemical, Electrical, Thermal, Nuclear, Electromagnetic are a part of which concept?
Ionizing radiation
Energy
Electromagnetic spectrum
Matter
46
When transmitting through space is called radiation: it is the transfer of what?
Ionizing radiation
Energy
Electromagnetic spectrum
Matter
47
1907 H.C. Snook introduced a new high-voltage power supply
Coils
Coolidge tube
Transformer
Static machines & induction coils
48
Another form of radiation is tiny fast-moving particles that have both energy and mass (weight).
Gamma
X-ray
Ionizing
Particle Radiation
49
The scientific unit of mass is unrelated to gravitational effects
Kilogram
Matter
Atom
Molecule
50
Express the quantity of radiation received, a special name for a unit of dose equivalent and effective dose
Equivalent Dose
Sievert
Effective Dose
Becquerel (Bq)
51
This energy is released by a chemical reaction
Electrical energy
Kinetic energy
Potential energy
Chemical energy
52
It is a radioactive gas produced by the decay of uranium, concrete, bricks, and gypsum
Cosmic Rays
Radon
Internally Despoisted Radionuclides
Terrestrial Radiation
53
It is defined by a kilogram but not like the newton or the pound which is weight
Units
Time
Mass
Length
54
Protects technologists with lead-impregnated material
Grids
Filtration
Collimation
Protevive Apperal
55
Albert Einstein said E= energy M= mass C = velocity squared. Which is what formula?
E=cm2
M=ce2
M=ec2
E=mc2
56
When did William Conrad Roentgen discover X-Rays?
November 8, 1890
November 8, 1895
November 8, 1894
November 8, 1896
57
Removal of low energy x-rays from the beam spectrum, would not contribute to image quality but add to patient dose
Protective Appparel
Filtration
Collimation
Grid
58
The ability to do work is called what?
Matter
Electromagnetic spectrum
Energy
Ionizing radiation
59
How many categories does Ionizing Radiation fall into?
6
3
4
2
60
William Conrad Roentgen discovered what?
X-rays
high voltage
Crookes tube
cathode rays
61
Has very limited penetration ability could be dangerous if inhaled or swallowed, but external exposure is not dangerous
Gamma
Alpha Particle
Beta Particle
Ionizing Radiation
62
What was the device with which William Conrad Roentgen discovered x-rays?
Fluorescece
Crookes Tube
Barium Platinocyanide
Cathode Rays
63
Of the list given this describes what type of Medical Imaging?
X-ray tube
Radiography
Fluoroscopy
C.T. Scanning (C.A.T.)
64
Experienced severe x-ray burns, required amputation of both arms. Died in 1904 was 1st x-ray fatality in United States
Clarence Dally
William Conrad Roentgen
Thomas Edison
Micheal Pupin
65
What is the energy of motion at the molecular level called?
Thermal energy (heat)-
Kinetic energy
Nuclear energy
Electromagnetic energy
66
Radiography, Fluoroscopy, and C.T. (C.A.T) is the development of what?
Portable Self-Contained Unit
Medical Imaging
Photostimulable Phosphor
X-ray tube
67
Mass is measured in
Weight
Pounds
Kilograms
Gravity
68
This is energy in motion
Chemical Energy
Potential Energy
Kinetic Energy
Electrical Energy
69
Before basic radiation there were
Skin damage
Anemia
Burns
Hair loss
70
It is the simplest structural unit that displays the characteristics both physical & chemical properties of a compound
Atom
Kilogram
Engery
Molecules
71
A segment of physics that deals with objects at rest and in motion
Dynamics
Mechanics
Statics
Velocity
72
Produced by the interaction of projectile electrons and electrons in the atoms of the target
X-Rays
Ultraviolet Light
Gamma
Matter
73
Refer to as simply radiation or a photon which is one of several types AKA radio waves, microwaves, infrared, X-ray etc
Kinetic energy
Nuclear energy
Electromagnetic energy
Thermal energy (heat)-
74
CT control is behind lead-lined and equipped with leaded-glass windows
Protective Apparel
Protective Barriers
Collimation
Gonadal Shielding
75
Uses rotating tube with image receptor to capture data, to be reconstructed in any anatomical plane
C.T. Scanning (C.A.T.)
Radiography
Fluoroscopy
X-ray tube
76
Happens when x-ray passes close or strikes an orbital electron of atom & transfers energy to elctron to remove it
Matter
Energy
Electromagnetic Spectrum
Ionizing
77
Aprons, gloves, and glasses are considered
Gonadal Shielding
Protective Apparel
Protective Barriers
Collimation
78
Named after Gustav Bucky and holds a cassette in a tray
Collimation
Filtration
Bucky Tray
Grid
79
Gray (Gyt),The amount of energy absorbed per unit mass depending on the tissue
Numeric Prefixes
Air Kerma
Absorbed Dose
Sievert
80
Particulate radiation or electromagnetic energy emitted by the sun and stars, increases by altitude and latitude
Internally Deposted Radionuclides
Terrestrial Radiation
Radon
Cosmic Rays
81
Is the product of mass and the acceleration of gravity on Earth
Momentum
Weight
Acceleration
Velocity
82
Amazing features that rank the event high among events in history
none had recognized its significance or investigated it further
discovered by accident
no fewer than 12 contemporaries had previously observed x-ray
described x-ray w/nearly all the properties we recognize today
83
What was the first X-ray an image of?
William Conrad Roentgen wife's hand
William Conrad Roentgen hand
William Conrad Roentgen Foot
William Conrad Roentgen wife's foot
84
Measured by the atomic clock and is based on the vibrations of cesium atoms
Units
Mass
Length
Time
85
1913-William D. Coolidge unveiled the hot-cathode called the
Coolidge tube
Coils
Static machines & induction coils
Transformer
86
How long did it take Roentgen described all x-radiation w/nearly properties we know today?
5 months
1 Month
1 year
5 years
87
Albert Einstein said that matter and engery is not interchangeable.
True
False
88
The 10 items listed are known as the 10 Commandments in Radation
False
True
89
Standard of measurement
Length
Time
Units
Mass
