Study sets matching "bushong chapter 6"

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Study sets matching "bushong chapter 6"

54 terms
Sharon, chapter 6 bushong
the X-rays emitted through the window…
we use only X-ray emitted through the…
X-rays that escape through the protect…
_______________ guards of against exce…
the useful beam
the window
leakage radiation
protective housing
the X-rays emitted through the window…
the useful beam
we use only X-ray emitted through the…
the window
190 terms
Chapter 6 & 7 Bushong
X-rays versus gamma rays
kinetic energy is the energy of what?
do stationary objects have kinetic ene…
what is the kinetic energy equation
X-rays (man made) and Gamma rays (radioactive decay)
motion
no, objects in motion have kinetic energy
m = mass in kilograms... v = velocity ... KE = kinetic energy
X-rays versus gamma rays
X-rays (man made) and Gamma rays (radioactive decay)
kinetic energy is the energy of what?
motion
29 terms
Bushong chapter 6 challenge questions
Housing cooling chart
Leakage radiation
Heat unit HU
Focusing cup
Graph chart showing the cooling rate of that x-ray tube housing
X-rays that escape through the protective housing other than…
Thermal energy unit to express that he capacity 1 HU = 1J
The filament on the cathode side of the tube is embedded in t…
Housing cooling chart
Graph chart showing the cooling rate of that x-ray tube housing
Leakage radiation
X-rays that escape through the protective housing other than…
Bushong Ch 6
The 3 Main Components of an x-ray imag…
the function of the x-ray imaging syst…
used to control the voltage applied to…
Name 3 things the operating console co…
x-ray tube operating console *high-voltage generator
to provide a controlled flow of electrons intense enough to p…
the operating console
the voltage applied to the x-ray tube the current through t…
The 3 Main Components of an x-ray imag…
x-ray tube operating console *high-voltage generator
the function of the x-ray imaging syst…
to provide a controlled flow of electrons intense enough to p…
109 terms
Bushong Ch 6
The 3 Main Components of an x-ray imag…
the function of the x-ray imaging syst…
used to control the voltage applied to…
Name 3 things the operating console co…
x-ray tube operating console *high-voltage generator
to provide a controlled flow of electrons intense enough to p…
the operating console
the voltage applied to the x-ray tube the current through t…
The 3 Main Components of an x-ray imag…
x-ray tube operating console *high-voltage generator
the function of the x-ray imaging syst…
to provide a controlled flow of electrons intense enough to p…
21 terms
Rad Physics Bushong Chapter 6
Most x-ray tubes operate at _____ volts.
A transformer with a single winding an…
The x-ray tube is controlled by two se…
What is the low voltage/higher current…
220 volts
Autotransformer
1.) filament current and 2.) tube circuit
filament current
Most x-ray tubes operate at _____ volts.
220 volts
A transformer with a single winding an…
Autotransformer
ch 6 Bushong
Most frequently used support system, 2…
Preferred detent pos
single column with rollers at each end…
Support Systems:
Ceiling support system
xray tube is centered above the exam table at standard SID
floor to ceiling support system
Ceiling mounted, floor to ceiling, c arm support (L or U arm…
Most frequently used support system, 2…
Ceiling support system
Preferred detent pos
xray tube is centered above the exam table at standard SID
27 terms
chapter 6 challenge questions bushong
housing cooling chart
leakage radiation
heat unit (HU)
Focusing cup
graph showing the cooling rate of an X-ray tube housing
X-rays that escape through the protective housing
thermal heat unit to express the heat capacity (1HU=1AVs=1Ws=…
the filament is embedded in a metal shroud called the focusin…
housing cooling chart
graph showing the cooling rate of an X-ray tube housing
leakage radiation
X-rays that escape through the protective housing
123 terms
Bushong Ch.6
Ceiling Support, Floor to Ceiling, and…
Ceiling support
Ceiling Support System
preferred detent
There are three main methods of x-ray tube support:
Which support system is probably the most frequently used?
Support System that consists of two perpendicular sets of cei…
When the x-ray tube is situated above the examination table a…
Ceiling Support, Floor to Ceiling, and…
There are three main methods of x-ray tube support:
Ceiling support
Which support system is probably the most frequently used?
71 terms
Bushong Chapter 5
What are the three main components of…
What does the operating system do?
What does the high voltage generator c…
What portion of the operating console…
1) Tube... 2) Operating console... 3) High voltage generator
It controls the quality and quantity of the x-ray beam
The step up transformer, the step down transformer, and the r…
mA settings
What are the three main components of…
1) Tube... 2) Operating console... 3) High voltage generator
What does the operating system do?
It controls the quality and quantity of the x-ray beam
78 terms
Physics / The X Ray Tube / Bushong Chapter 6
The external structure of the X-Ray tu…
With proper use an x-ray tube used in…
Which is the most frequently used supp…
Interventional Radiography suites are…
The support structure, The protective housing, and the glass…
Many ; Shorter
Ceiling support
C-arm
The external structure of the X-Ray tu…
The support structure, The protective housing, and the glass…
With proper use an x-ray tube used in…
Many ; Shorter
100 terms
Bushong chapter 5&6
What are the 3 principal parts of the…
List the 3 different transformers:
List the 2 different meters:
List the 4 different rectifications an…
xray tube... operating console... high voltage generator
autotransformer... step up ... step down
ammeter... voltmeter
single phase... three phase (6p and 12p)... high frequency... falling…
What are the 3 principal parts of the…
xray tube... operating console... high voltage generator
List the 3 different transformers:
autotransformer... step up ... step down
Bushong chapter 5&6
What are the 3 principal parts of the…
List the 3 different transformers:
List the 2 different meters:
List the 4 different rectifications an…
xray tube... operating console... high voltage generator
autotransformer... step up ... step down
ammeter... voltmeter
single phase... three phase (6p and 12p)... high frequency... falling…
What are the 3 principal parts of the…
xray tube... operating console... high voltage generator
List the 3 different transformers:
autotransformer... step up ... step down
51 terms
Bushong 6
The three principal parts of an x-ray…
The primary purpose of the glass envel…
The protective housing of an x-ray tub…
A diagnostic x-ray tube is an example…
X-ray tube, control console, and high-voltage genrator
Provide a vacuum
Reduce the hazard of leakage radiation
Diode
The three principal parts of an x-ray…
X-ray tube, control console, and high-voltage genrator
The primary purpose of the glass envel…
Provide a vacuum
78 terms
Physics / The X Ray Tube / Bushong Chapter 6
The external structure of the X-Ray tu…
With proper use an x-ray tube used in…
Which is the most frequently used supp…
Interventional Radiography suites are…
The support structure, The protective housing, and the glass…
Many ; Shorter
Ceiling support
C-arm
The external structure of the X-Ray tu…
The support structure, The protective housing, and the glass…
With proper use an x-ray tube used in…
Many ; Shorter
100 terms
Bushong chapter 5&6
What are the 3 principal parts of the…
List the 3 different transformers:
List the 2 different meters:
List the 4 different rectifications an…
xray tube... operating console... high voltage generator
autotransformer... step up ... step down
ammeter... voltmeter
single phase... three phase (6p and 12p)... high frequency... falling…
What are the 3 principal parts of the…
xray tube... operating console... high voltage generator
List the 3 different transformers:
autotransformer... step up ... step down
Bushong Chapter 5 & 6
The product of voltage and current is…
The process of changing alternating cu…
A type of transformer having a single…
An electrical device that contains 2 e…
Power
Rectification
Autotransformer
Diode
The product of voltage and current is…
Power
The process of changing alternating cu…
Rectification
Bushong Chapter 10
The random fluctuation in the optical…
What is spatial resolution?
Name two other terms that can be used…
Name the factors that control/affect d…
Radiographic noise.
The ability to image small objects that have high subject con…
Detail and recorded detail
Film speed, focal spot size, SID, OID, motion, and distortion
The random fluctuation in the optical…
Radiographic noise.
What is spatial resolution?
The ability to image small objects that have high subject con…
Bushong; Physics, Biology, and Protection- Chapter 6
Leakage Radiation
In protective housing, what is the coo…
What provides higher thermonuclear emi…
What is the most common cause of tube…
Xrays that escape through the protective housing
To air cool the tube or the oil in which the xray tube is imm…
Tungsten
Tungsten vaporization with depositions on the inside of the g…
Leakage Radiation
Xrays that escape through the protective housing
In protective housing, what is the coo…
To air cool the tube or the oil in which the xray tube is imm…
92 terms
Bushong Chapter 10
The random fluctuation in the optical…
What is spatial resolution?
Name two other terms that can be used…
Name the factors that control/affect d…
Radiographic noise.
The ability to image small objects that have high subject con…
Detail and recorded detail
Film speed, focal spot size, SID, OID, motion, and distortion
The random fluctuation in the optical…
Radiographic noise.
What is spatial resolution?
The ability to image small objects that have high subject con…
68 terms
Bushong Chapter 10
The random fluctuation in the optical…
What is spatial resolution?
Name two other terms that can be used…
Name the factors that control/affect d…
Radiographic noise.
The ability to image small objects that have high subject con…
Detail and recorded detail
Film speed, focal spot size, SID, OID, motion, and distortion
The random fluctuation in the optical…
Radiographic noise.
What is spatial resolution?
The ability to image small objects that have high subject con…
Bushong Ch 6
The 3 Main Components of an x-ray imag…
the function of the x-ray imaging syst…
used to control the voltage applied to…
Name 3 things the operating console co…
x-ray tube operating console *high-voltage generator
to provide a controlled flow of electrons intense enough to p…
the operating console
the voltage applied to the x-ray tube the current through t…
The 3 Main Components of an x-ray imag…
x-ray tube operating console *high-voltage generator
the function of the x-ray imaging syst…
to provide a controlled flow of electrons intense enough to p…
67 terms
Bushong Chapter 8 terms
Primary Function of the X-ray Imaging…
What are the 3 parts of the high-volta…
What are the 3 principle parts of the…
the energy of motion and the function…
to provide a controlled flow of electrons intense enough to p…
high-voltage transformer filament transformer *rectifiers
x-ray tube operating console *high-voltage generator
kinetic energy
Primary Function of the X-ray Imaging…
to provide a controlled flow of electrons intense enough to p…
What are the 3 parts of the high-volta…
high-voltage transformer filament transformer *rectifiers
60 terms
Bushong Chapter 10
The random fluctuation in the optical…
What is spatial resolution?
Name two other terms that can be used…
Name the factors that control/affect d…
Radiographic noise.
The ability to image small objects that have high subject con…
Detail and recorded detail
Film speed, focal spot size, SID, OID, motion, and distortion
The random fluctuation in the optical…
Radiographic noise.
What is spatial resolution?
The ability to image small objects that have high subject con…
Bushong Chapter 10
The random fluctuation in the optical…
What is spatial resolution?
Name two other terms that can be used…
Name the factors that control/affect d…
Radiographic noise.
The ability to image small objects that have high subject con…
Detail and recorded detail
Film speed, focal spot size, SID, OID, motion, and distortion
The random fluctuation in the optical…
Radiographic noise.
What is spatial resolution?
The ability to image small objects that have high subject con…
109 terms
Bushong Ch 6
The 3 Main Components of an x-ray imag…
the function of the x-ray imaging syst…
used to control the voltage applied to…
Name 3 things the operating console co…
x-ray tube operating console *high-voltage generator
to provide a controlled flow of electrons intense enough to p…
the operating console
the voltage applied to the x-ray tube the current through t…
The 3 Main Components of an x-ray imag…
x-ray tube operating console *high-voltage generator
the function of the x-ray imaging syst…
to provide a controlled flow of electrons intense enough to p…
109 terms
Bushong Ch 6
The 3 Main Components of an x-ray imag…
the function of the x-ray imaging syst…
used to control the voltage applied to…
Name 3 things the operating console co…
x-ray tube operating console *high-voltage generator
to provide a controlled flow of electrons intense enough to p…
the operating console
the voltage applied to the x-ray tube the current through t…
The 3 Main Components of an x-ray imag…
x-ray tube operating console *high-voltage generator
the function of the x-ray imaging syst…
to provide a controlled flow of electrons intense enough to p…
109 terms
Bushong Ch 6
The 3 Main Components of an x-ray imag…
the function of the x-ray imaging syst…
used to control the voltage applied to…
Name 3 things the operating console co…
x-ray tube operating console *high-voltage generator
to provide a controlled flow of electrons intense enough to p…
the operating console
the voltage applied to the x-ray tube the current through t…
The 3 Main Components of an x-ray imag…
x-ray tube operating console *high-voltage generator
the function of the x-ray imaging syst…
to provide a controlled flow of electrons intense enough to p…
109 terms
Bushong Ch 6
The 3 Main Components of an x-ray imag…
the function of the x-ray imaging syst…
used to control the voltage applied to…
Name 3 things the operating console co…
x-ray tube operating console *high-voltage generator
to provide a controlled flow of electrons intense enough to p…
the operating console
the voltage applied to the x-ray tube the current through t…
The 3 Main Components of an x-ray imag…
x-ray tube operating console *high-voltage generator
the function of the x-ray imaging syst…
to provide a controlled flow of electrons intense enough to p…
39 terms
Bushong Ch 6
The major 2 components of the cathode…
The glass envelope of the xray tube is…
What is the purpose of the target wind…
Sun tanning of the tube is a result of:
True
Withstand high temperatures
Minimize interference with X-rays leaving the tube
Vaporized tungsten
The major 2 components of the cathode…
True
The glass envelope of the xray tube is…
Withstand high temperatures
Bushong Chapter 7 Physics
This chapter explains the interactions…
The energy of motion
__________ objects have no kinetic ene…
Objects in motion have ___________ ene…
Characteristic ; Bremsstrahlung
Kinetic energy
Stationary
Kinetic ; Mass ; Square
This chapter explains the interactions…
Characteristic ; Bremsstrahlung
The energy of motion
Kinetic energy
39 terms
Bushong CH 6 Velma
Anode is the ---- side
Types of Anodes (2)
Stationary Anodes (3)
Rotating Anode (2)
positive
Stationary / ... Rotating
dental / some portable systems /... does not need high current
General purpose systems / ... High intensity beam in short time
Anode is the ---- side
positive
Types of Anodes (2)
Stationary / ... Rotating
Chapter 12 Bushong Review
image blur is generally increased by a…
film should be stored at a temperature…
direct exposure film has a ____ emulsi…
a disadvantage of the speed of rare ea…
speed/sensitivity/intensification factor
68 degrees F (20 degrees C), 40%
thicker, more
blur (and more noise)
image blur is generally increased by a…
speed/sensitivity/intensification factor
film should be stored at a temperature…
68 degrees F (20 degrees C), 40%
Bushong chapter 9
The number of x rays in the beam
the penetrability of the beam
2 things the x ray quantity is
this sometimes used instead of intensity
x ray quanity
x ray quality
Intensity of the beam... number of xrays in the beam
Radiation exposure
The number of x rays in the beam
x ray quanity
the penetrability of the beam
x ray quality
49 terms
Bushong Chapter 33
Partial body exposure
Prodromal stage
Latent period
Hematologic
Diagnostic X-ray beam always results in...
What is the immediate response of radiation sickness?... begins…
What is the time after exposure during which there is no sign…
Which syndrome is characterized by a reduction in wbcs rbcs a…
Partial body exposure
Diagnostic X-ray beam always results in...
Prodromal stage
What is the immediate response of radiation sickness?... begins…
152 terms
chapter 28 bushong
with CT what is not involved?
what happens after the signal from the…
computer reconstruction of the cross s…
what does helical CT provide
no screen film or image intensifier tube, instead a collimate…
the computer reconstructs the image and displays it on a moni…
mathematical equations or algorithms
improved imaging of anatomy compromised by respiratory motion
with CT what is not involved?
no screen film or image intensifier tube, instead a collimate…
what happens after the signal from the…
the computer reconstructs the image and displays it on a moni…
99 terms
Bushong Chapter 1
There are how many measurable quantiti…
Name the base quantities.
How are secondary quantities derived?
Name the secondary quantities.
There are three measurable quantities: 1) Base quantities of…
1) Mass, 2) Length, 3) Time
Secondary quantities are derived from a combination of one or…
1) Volume, 2) Mass Density, 3) Velocity, 4) Energy, 5) Work,…
There are how many measurable quantiti…
There are three measurable quantities: 1) Base quantities of…
Name the base quantities.
1) Mass, 2) Length, 3) Time
Bushong Chapter 12
What is the difference between x-ray f…
What characteristic of emulsion makes…
silver halide size
Why is film blue
The thickness and rigidity of the base
sensitivity center
1.0um
so image viewing is more comfortable
What is the difference between x-ray f…
The thickness and rigidity of the base
What characteristic of emulsion makes…
sensitivity center
64 terms
Bushong Chapter 29
True or False: At nearly every stage i…
If the radiation response increases in…
If the incidence of the radiation resp…
What are the late effects of radiation…
True
Deterministic Effects
Stochastic Effects
Leukemia, Cancer, Local Tissue Damage (skin, gonads, eyes), S…
True or False: At nearly every stage i…
True
If the radiation response increases in…
Deterministic Effects
Chapter 4 Bushong
convert electric energy into electroma…
magnitude;signs
mass;energy equivalance;electric charge
electrified
the primary function of the x-ray imaging system is...
electric charges associated with an electron and a proton hav…
matter has _______ and _________ _________. matter may also h…
an object is said to be ________ if it has too few or too man…
convert electric energy into electroma…
the primary function of the x-ray imaging system is...
magnitude;signs
electric charges associated with an electron and a proton hav…
151 terms
Bushong chapter 1
What is used to account for the differ…
According to the Natinal Council on Ra…
A time of 1.5 minutes is required for…
If the exposure rate to an individual…
A. 1 only
B. 5 mSv
D. 6.87 mR... 275/60= x/1.5... 60x/60= 412.5/60 ... = 6.875
D. 1.48 mR... 10/x= 36/16... 36x=160... x=4.44 (60 minutes)... 4.44/3=…
What is used to account for the differ…
A. 1 only
According to the Natinal Council on Ra…
B. 5 mSv
77 terms
Bushong Chapter 4 Review
Electron Spin
Parallel Circuit
Direct Current (DC)
Coulomb's Law
Electrons behave as if they rotate on an axis clockwise or co…
Contains elements that are connected at their ends rather tha…
Electrons made to flow in one direction along the conductor
The electrostatic force is directly proportional to the produ…
Electron Spin
Electrons behave as if they rotate on an axis clockwise or co…
Parallel Circuit
Contains elements that are connected at their ends rather tha…
156 terms
Bushong Chapter 3
Define electromagnetic energy
Define photon
Photon is used interchangeably with wh…
What is the smallest quantity of any t…
Energy that has both electric and magnetic properties, that i…
Energy disturbances that move through space at the speed of l…
Electromagnetic energy
A photon
Define electromagnetic energy
Energy that has both electric and magnetic properties, that i…
Define photon
Energy disturbances that move through space at the speed of l…
Chapter 3 Bushong
Electromagnetic energy properties
electromagnetic energy
James Clerk Maxwell
continuum
frequency, wavelength, velocity, and amplitude
field or state of energy
19th century he showed that visible light had both electric a…
This energy exists over a wide range. uninterrupted (continuo…
Electromagnetic energy properties
frequency, wavelength, velocity, and amplitude
electromagnetic energy
field or state of energy
131 terms
Bushong Chapter 1
In a physical analysis, all things can…
Define matter
What is matter composed of?
Define mass
matter or energy
anything that occupies space and has mass
atoms
the quantity of matter contained in any physical object
In a physical analysis, all things can…
matter or energy
Define matter
anything that occupies space and has mass
54 terms
BUSHONG - Chapter 8
Useful beam characteristics
Quantity
What affects quantity?
As you increase filtration, what happe…
1. Quantity - Number of photons in the beam... 2. Quality - Pene…
- Intensity, Quantity, Exposure all mean the same thing ... - Th…
mAs, kVp, SID, Filtration (more SID you have, more kvp you ne…
Quantity decreases. As the filtration gets too thick, it stop…
Useful beam characteristics
1. Quantity - Number of photons in the beam... 2. Quality - Pene…
Quantity
- Intensity, Quantity, Exposure all mean the same thing ... - Th…
84 terms
Bushong Chapter 3
Define electromagnetic energy
Define photon
Photon is used interchangeably with wh…
What is the smallest quantity of any t…
Energy that has both electric and magnetic properties, that i…
Energy disturbances that move through space at the speed of l…
Electromagnetic energy
A photon
Define electromagnetic energy
Energy that has both electric and magnetic properties, that i…
Define photon
Energy disturbances that move through space at the speed of l…
126 terms
Bushong Chapter 4
What is the term that defines a flow o…
What term refers to the closed path ov…
The basic x-ray circuit is composed of…
What is the unit for measuring electri…
Electric Current
Circuit
1. Main or tube circuit... 2. Filament circuit
Ampere (amp)
What is the term that defines a flow o…
Electric Current
What term refers to the closed path ov…
Circuit
27 terms
Chapter 31 Bushong
In vitro
In vivo
Point lesions
main-chain scission
Irradiation outside of the cell or body
Irradiation within the body
What are considered to be the cellular radiation damage that…
if a macromolecule has a ____ _____, it will break down into…
In vitro
Irradiation outside of the cell or body
In vivo
Irradiation within the body
20 terms
Bushong chapter 30
The law of ______ states that radio se…
Tissue that are _____ with a ______ me…
________ is measured if the rate that…
As LET _______, the RBE ________.
Bergonie and Tribondeau
Immature, high
LET
Increase, increase
The law of ______ states that radio se…
Bergonie and Tribondeau
Tissue that are _____ with a ______ me…
Immature, high
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