Study sets matching "radiation"

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Study sets matching "radiation"

68 terms
Radiation
Energy travels through space as ______…
Particles of electromagnetic radiation…
Definition of wave length
Definition of frequency
waves
wave lengths... frequencies
the distance between 2 consecutive wave peaks measured in nan…
number of waves that pass a single point per second
Energy travels through space as ______…
waves
Particles of electromagnetic radiation…
wave lengths... frequencies
16 terms
Radiation
Alpha
Gamma
Electron
Lead
What radiation is the helium nucleus
What radiation is an electromagnetic wave
What is a beta particle
Stops gamma radiation
Alpha
What radiation is the helium nucleus
Gamma
What radiation is an electromagnetic wave
21 terms
Radiation
Beta particle
Alpha particle
Gamma
Properties of Beta Particle
High velocity electron with a negative charge
High velocity helium nucleus
Deeply penetrating electromagnetic wave, which travels at the…
Negative charge of 1... Low mass... Up to 0.9 x speed of light... Weak…
Beta particle
High velocity electron with a negative charge
Alpha particle
High velocity helium nucleus
10 terms
Radiation
symbol for alpha particle
symbol for beta particle
symbol for electron capture
symbol for positron emission
⁴₂He
⁰₋₁e (product side)
⁰₋₁e (reactant side)
⁰₁e
symbol for alpha particle
⁴₂He
symbol for beta particle
⁰₋₁e (product side)
16 terms
Radiation
Alpha
Gamma
Electron
Lead
What radiation is the helium nucleus
What radiation is an electromagnetic wave
What is a beta particle
Stops gamma radiation
Alpha
What radiation is the helium nucleus
Gamma
What radiation is an electromagnetic wave
Radiation
Roentgen (R)
rad
Dose
REM
The roentgen (R) is a unit of radiation exposure in air. It i…
RAD stands for Radiation Absorbed Dose and is the... Slide 7... amo…
The SI unit of absorbed dose is the gray (Gy), which has the…
REM stands for Roentgen Equivalent Man. The... REM is a unit of…
Roentgen (R)
The roentgen (R) is a unit of radiation exposure in air. It i…
rad
RAD stands for Radiation Absorbed Dose and is the... Slide 7... amo…
Radiation
Radiation
types of radiation associated with rad…
Radiation also includes
radioactivity
energy traveling through space
alpha, beta, gamma, and X rays
neutrons, which are uncharged
the spontaneous emission of radiation from the nucleus of an…
Radiation
energy traveling through space
types of radiation associated with rad…
alpha, beta, gamma, and X rays
Radiation
Cure
Control
Radiosensitivity
Fractionize
Used alone -> basal cell, vocal cord tumor, prostate/teste, c…
Pre-op -> ↓ tumor size... Post-op -> destroy cells... Inoperable ->…
Susceptibility of tissue to radiation... Radiosensitive tumor: d…
Divide total radiation dosage into small frequent doses... Allo…
Cure
Used alone -> basal cell, vocal cord tumor, prostate/teste, c…
Control
Pre-op -> ↓ tumor size... Post-op -> destroy cells... Inoperable ->…
Radiation
Wavelength
Period/Frequency
Energy
Speed of Light
distance between two similar points on a wave
the time between two similar points on a wave (seconds)
can not be created or destroyed. Can be changed into mass and…
3*10^8
Wavelength
distance between two similar points on a wave
Period/Frequency
the time between two similar points on a wave (seconds)
27 terms
Radiation
Ionizing Radiation
Ionizing radiation energy can cause
Henry Bacquerel
Pierre and Marie Curie
Alpha, beta, gamma, neutron, position and x-rays that are cap…
Chemical changes to living things
French scientist who 1st discovered radioactive materials
Followed up on Bacquerel's discovery. Worked with Uranium ore…
Ionizing Radiation
Alpha, beta, gamma, neutron, position and x-rays that are cap…
Ionizing radiation energy can cause
Chemical changes to living things
12 terms
Radiation
gamma particle
beta particle
Parent Nuclide
Daughter Nuclide
High energy light wave emitted during some nuclear reactions.…
High energy electron emitted during beta decay. Can travel fa…
original nucleus involved in a nuclear reaction
nucleus resulting from a nuclear reaction
gamma particle
High energy light wave emitted during some nuclear reactions.…
beta particle
High energy electron emitted during beta decay. Can travel fa…
5 terms
Radiation
Alpha
Beta
Gamma
Half Life Decay
...
...
...
...
Alpha
...
Beta
...
38 terms
Radiation
Electromagnetic Radiation
Wavelength
Frequency
Photon
wave energy carried by oscillating electric and magnetic fields
Distance between crests of waves. Measure in meters or nanome…
In sound perception, it is the number of sound wave cycles pe…
A particle of electromagnetic radiation with no mass that car…
Electromagnetic Radiation
wave energy carried by oscillating electric and magnetic fields
Wavelength
Distance between crests of waves. Measure in meters or nanome…
12 terms
Radiation
nonionizing
ionizing
Ultraviolet rays
Gamma Rays
not enough energy to remove an electron from a substance
enough energy to remove an electron from a substance
invisible, can cause sunburn
powerful enough to disrupt a chemical bonds in a cell
nonionizing
not enough energy to remove an electron from a substance
ionizing
enough energy to remove an electron from a substance
Radiation
Teletherapy (external)
Brachytherapy (internal)
Systemic (internal)
Brachytherapy and systemic
Radiation directed from a machine outside of the body
Radioactive material placed in or near tumor
Oral and injections
RADIOACTIVE TAKE PRECAUTIONS
Teletherapy (external)
Radiation directed from a machine outside of the body
Brachytherapy (internal)
Radioactive material placed in or near tumor
21 terms
radiation
how is radiation taken in
most radiation is from this element
of the human produced sector, the majo…
2nd larget source of radiation
inhaled
radiation 222
fallout/nuclear power plant operation
medical
how is radiation taken in
inhaled
most radiation is from this element
radiation 222
Radiation
Tritium
Carbon
Phosphorus
Potassium
Biochemichal Tracer
Archeological dating
Leukemia therapy
Geological dating
Tritium
Biochemichal Tracer
Carbon
Archeological dating
20 terms
radiation!
lethal tumor dose
stage 1 (first two weeks)
stage 2 (3-4 weeks)
Stage 3: Weeks 5-6
defien as the dose which will eradicate 95 % of the tumor yet…
erythema... Red, warm, Rash appearing skind
Dry desquamation ... Dry, flaky, itchy skin
Wet desquamation ... Sensitive, red, moist, weeping skin with po…
lethal tumor dose
defien as the dose which will eradicate 95 % of the tumor yet…
stage 1 (first two weeks)
erythema... Red, warm, Rash appearing skind
Radiation
Fission
Fusion
Beta Decay
Beta Decay
The splitting of an atomic nucleus
When two elements combine to form a new element and releasing…
This radiation is in the form of an electron.
This type of radiation can be stopped by a few mm of aluminium
Fission
The splitting of an atomic nucleus
Fusion
When two elements combine to form a new element and releasing…
15 terms
Radiation
Radiation
Ionization
Background Radiation
Natural Sources of Radiation
energy traveling through space through electromagnetic waves…
the process by which an atom gains a positive or negative cha…
Low levels of radiation humans are exposed to everyday
Cosmic rays, rocks and soil and living things
Radiation
energy traveling through space through electromagnetic waves…
Ionization
the process by which an atom gains a positive or negative cha…
16 terms
Radiation
Mass number
Radiosotope
Photosensitive
A Geiger Counter
the number of particles in a necleus
an isotope that is radioactive
this paper will change colour when exposed to radioactivity
this can gauge the amount of radioactivity in the atmosphere
Mass number
the number of particles in a necleus
Radiosotope
an isotope that is radioactive
Radiation
Radiation
Conduction
Convection
Green house effect
Moves energy through space in waves heating earth's surface
Traveled direct heated contact
circulation of liquid of gas
energy is trapped in the atmosphere
Radiation
Moves energy through space in waves heating earth's surface
Conduction
Traveled direct heated contact
Radiation
Alpha particles... α-particles
Beta-particles... β-particles
Gamma-particles... γ-rays
Half-life
Helium nucleus (two protons and two neutrons)... Stopped by pape…
Fast moving electrons... Stopped by aluminum... Less ionization pot…
Electromagnetic radiation... Only stopped by thick a sheet of le…
Time in which the activity or mass becomes half
Alpha particles... α-particles
Helium nucleus (two protons and two neutrons)... Stopped by pape…
Beta-particles... β-particles
Fast moving electrons... Stopped by aluminum... Less ionization pot…
Radiation
Ionizing radiation
Primary
Useful Beam
Leakage
is any electromagnetic or particulate radiation capable of pr…
Radiation coming directly from the target of the anode of an…
Part of the primary radiation that is permitted to emerge for…
When radiation escapes through the protective shielding and h…
Ionizing radiation
is any electromagnetic or particulate radiation capable of pr…
Primary
Radiation coming directly from the target of the anode of an…
radiation
radiation
conduction
convection
greenhouse effect
the transfer of energy as electromagnetic waves
the transfer of thermal energy from one thing to a noth thing
the transfer or the malingerer from the circulation
energy is trapped in the mobster and it is natrral
radiation
the transfer of energy as electromagnetic waves
conduction
the transfer of thermal energy from one thing to a noth thing
Radiation
Alpha decay
Beta emission
Positron emission
Electron capture
made of two protons and two neutrons, emits alpha particle
electron with positive charge
electron is pulled into the nucleus
Alpha decay
made of two protons and two neutrons, emits alpha particle
Beta emission
10 terms
Radiation
Alpha
Beta
Gamma
Sterilization
1) Very ionising particles made up of 2 PROTONS and 2 NEUTRON…
1) This is a fast(ONE) ELECTRON emitted from nucleus.... 2) Vey…
1) Very fast WAVE on electromagnetic spectrum... 2) Not very ion…
GAMMA RAYS - used to kill bacteria and animals on food in ord…
Alpha
1) Very ionising particles made up of 2 PROTONS and 2 NEUTRON…
Beta
1) This is a fast(ONE) ELECTRON emitted from nucleus.... 2) Vey…
radiation
Primary radiation
exit or Remnant Radiation
Scatter Radiation
Attenuation
the beam of photons before it interacts with the patients body
The resulting beam that is able to exit from the patient
Non-diagnostic radiation. along the way an x ray photon may i…
the process by which the nature of the primary radiation is c…
Primary radiation
the beam of photons before it interacts with the patients body
exit or Remnant Radiation
The resulting beam that is able to exit from the patient
26 terms
Radiation
Ionisation
Activity
Half life
Absorbed dose
Loss or gain of an electrom from an atom
Number of decays per unit time
Time taken for the activity of a radioactive source to reduce…
The energy absorbed per unit mass from a radioactive source
Ionisation
Loss or gain of an electrom from an atom
Activity
Number of decays per unit time
10 terms
radiation
radiation
convection
conclution
density
Energy that is radiated or transmitted in the form of rays or…
The transfer of heat by the movement of a fluid
the end or close; final part.
Mass / Volume
radiation
Energy that is radiated or transmitted in the form of rays or…
convection
The transfer of heat by the movement of a fluid
Radiation
Radiation
Electromagnetic spectrum
Wavelength
Frequency
For moving to that travels through space as a series of waves
All forms of electromagnetic with varying energies
Distance between two points of same location on adjacent waves
Number of waves passing a point in one second
Radiation
For moving to that travels through space as a series of waves
Electromagnetic spectrum
All forms of electromagnetic with varying energies
21 terms
Radiation!
Transverse wave
Particles
electromagnetic radiation
Radiation
A wave that moves the medium in a direction perpendicular to…
A general name for atoms and molecules (and ions)
a form of energy that exhibits wavelike behavior as it travel…
(medicine) the treatment of disease (especially cancer) by ex…
Transverse wave
A wave that moves the medium in a direction perpendicular to…
Particles
A general name for atoms and molecules (and ions)
8 terms
Radiation
Radiation
Conduction
Insulators
physical change
is energy carried by electromagnetic Waves.
the movement of heat or electricity through something (such a…
a material that allows little or no heat, electricity, or sou…
Something that looks,acts,or feels different and can be easil…
Radiation
is energy carried by electromagnetic Waves.
Conduction
the movement of heat or electricity through something (such a…
40 terms
Radiation
atom
protons
neutrons
electrons
smallest unit of an element
positive charge
no charge
negative charge
atom
smallest unit of an element
protons
positive charge
12 terms
Radiation
Nuclear Weapons
disarmament
petrochemicals
Zionist Regime
a weapon of mass destruction whose explosive power derives fr…
removal of weapons
Chemicals, obtained from crude oil, that are used in the prod…
a worldwide Jewish movement that resulted in the establishmen…
Nuclear Weapons
a weapon of mass destruction whose explosive power derives fr…
disarmament
removal of weapons
40 terms
Radiation
what is the equivalent dose?
What is the effective dose?
how much radiation does a AP chest x-r…
how much radiation is everyone exposed…
Equivalent dose accounts for the type of radiation used, and…
Effective dose takes into account the type of radiation and t…
To put these numbers into perspective, a standard posterior-a…
2.4 mSv.year
what is the equivalent dose?
Equivalent dose accounts for the type of radiation used, and…
What is the effective dose?
Effective dose takes into account the type of radiation and t…
26 terms
radiation
not very likely that we are going to d…
what are the two forms of radiation tr…
what is the goal for palliative treatm…
for curative
it is used for regional control
palliative ... curative
palliation of clinical signs ( pain , bleeding )
long term tumour control
not very likely that we are going to d…
it is used for regional control
what are the two forms of radiation tr…
palliative ... curative
Radiation
What are the different types of radiat…
What are alpha particles?
How can you protect against alpha part…
What are beta particles?
Alpha, Beta, and Gamma Radiation
Helium Nucleus, 2 protons and 2 neutrons. Alpha particle is a…
Alpha particles are not very penetrating. Paper, clothing or…
Beta particles are high-speed electrons emitted from the nucl…
What are the different types of radiat…
Alpha, Beta, and Gamma Radiation
What are alpha particles?
Helium Nucleus, 2 protons and 2 neutrons. Alpha particle is a…
13 terms
Radiation
Fission
Fusion
Beta Decay
Beta Decay (what stops this)
The splitting of an atomic nucleus
When two elements combine to form a new element and releasing…
This radiation is in the form of an electron.
This type of radiation can be stopped by a few mm of aluminium
Fission
The splitting of an atomic nucleus
Fusion
When two elements combine to form a new element and releasing…
13 terms
radiation
Radiation
Infrared Radiation
Infrared Radiation
Infrared Radiation
comes from the Sun as three types of Electromagnetic waves.
Has longer wavelengths than visible light
● Heats Earth's Atmosphere
● Is absorbed by Earth's surface as heat
Radiation
comes from the Sun as three types of Electromagnetic waves.
Infrared Radiation
Has longer wavelengths than visible light
20 terms
Radiation
Alpha - make up
Alpha - range in air
Alpha - stopped by
Alpha - ionisation
2 neutrons, 2 protons (4,2)
a few cms
paper
highly ionising, wants 2 more electrons
Alpha - make up
2 neutrons, 2 protons (4,2)
Alpha - range in air
a few cms
84 terms
Radiation
Atoms of the same element with the sam…
The emission of radiation from an unst…
Because they contain too many or too f…
Unstable isotopes try to get the right…
What is an isotope?
What is radioactivity?
Why do unstable isotopes emit radiation?
What happens in radioactive decay?
Atoms of the same element with the sam…
What is an isotope?
The emission of radiation from an unst…
What is radioactivity?
26 terms
Radiation
Define Radiation
Two principle types of Radiation
Particulate Radiation
Particulate Radiation Transfer energy…
Direct propagation of energy through space or... material.
1) Particle... 2) Electromagnetic waves
Movement of tiny subatomic particles that have mass, electric…
1)Direct collisions with orbital electrons, nuclei... of atoms,…
Define Radiation
Direct propagation of energy through space or... material.
Two principle types of Radiation
1) Particle... 2) Electromagnetic waves
RADIATION
SUN
WAVES ELECTROMAGNETIC
ENERGY
ULTRAVIOLET RADIATION
The sun is the star too great the space, also is the planet v…
The sun transfers this waves for all space at our planet, it…
The energy is the force that effect the motion of any body
It is the effect from sun, that produces an colour between pu…
SUN
The sun is the star too great the space, also is the planet v…
WAVES ELECTROMAGNETIC
The sun transfers this waves for all space at our planet, it…
11 terms
Radiation
Radiation
Electromagnetic radiation
Electromagnetic spectrum
Generation of electromagnetic radiation
Energetic particles or waves traveling through vacuum or matt…
CLASSICAL THEORY:... Energy flow at universal speed of light thr…
Frequency (ν) is shared by classical and modern theory of ele…
Produced and lost when particle changes velocity.... "Any syste…
Radiation
Energetic particles or waves traveling through vacuum or matt…
Electromagnetic radiation
CLASSICAL THEORY:... Energy flow at universal speed of light thr…
10 terms
Radiation
Radiation
Nuclear Reaction
Radioactive Decay
Beta Reaction
The rays and particles that are emitted by a radioactive mate…
A reaction that involves a change in the atom's nucleus.
A process in which an unstable nucleus loses energy spontaneo…
Fast-moving electrons.
Radiation
The rays and particles that are emitted by a radioactive mate…
Nuclear Reaction
A reaction that involves a change in the atom's nucleus.
28 terms
Radiation
radiation
everyday examples of radiation
2 types of radiation
ionizing radiation
-energy in transmit, either as particles or electromagnetic w…
microwaves used to cook food, radio waves for radio and telev…
1. ionizing radiation (generally more dangerous) ... 2. non part…
-particulate ionizing radiation... -has mass... -spontaneous decay…
radiation
-energy in transmit, either as particles or electromagnetic w…
everyday examples of radiation
microwaves used to cook food, radio waves for radio and telev…
23 terms
Radiation
ionizing radiation
energy
damaged cells/tissue
henri becquerel
alpha, beta, gamma, neutron, positron and x- rays that are ca…
can cause chemical changes to living things
what happens with a large exposure to ionizing radiation?
french scientist first to discover radioactive materials in 1…
ionizing radiation
alpha, beta, gamma, neutron, positron and x- rays that are ca…
energy
can cause chemical changes to living things
Radiation
The energy of ionizing radiation is me…
_____Routinely sample air, water, and…
"R" is the symbol used for the term "r…
What material has a high milting point…
all of the above
FDA EPA NRC
True
Tungsten
The energy of ionizing radiation is me…
all of the above
_____Routinely sample air, water, and…
FDA EPA NRC
Radiation
Amu
Element symbol
Atomic number
Atomic mass
Atomic mass unit 1/12 mass
H
Tells us the number of protons
Protons plus neutrons
Amu
Atomic mass unit 1/12 mass
Element symbol
H
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