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問題一覧
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Anything that occupies space and has mass
MATTER
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Fundamental building block of all matter
ATOM
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The quantity of matter in a physical object
MASS
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The force exertefbon a body due to GRAVITY
WEIGHT
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2 part RADIOLOGY
THERAPEUTIC and DIAGNOSTIC
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2 parts of RADIATION
IONIZING and NON-IONIZING
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Ability to do work
ENERGY
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PARTS OF ENERGY
POTENTIAL ENERGY KINETIC ENERGY CHEMICAL ENERGY ELECTRICAL ENERGY THERMAL ENERGY NUCLEAR ENERGY ELECTROMAGNETIC ENERGY
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Stored energy based on position
POTENTIAL ENERGY
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Energy in motion
KINETIC ENERGY
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Released during chemical reaction
CHEMICAL ENERGY
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occurs when electron move through electric potential energy
ELECTRICAL ENERGY
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Energy in motoon at molecular
THERMAL ENERGY
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Energy contained whithin nuclues atom
NUCLEAR ENERGY
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Key in RT
ELECTROMAGNETIC ENERGY
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Radiation speed of light
CERENKOV
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MASS ENERGY EQUIVALENCE
E= nergy M=ass C=speed of light 1. Atomic bomb 2. Nuclear power plants 3. Nuclear medicine Imaging modalities
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Trasfer of energy
RADIATION
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UNITS of RADIATION
ELECTRON VOLTS. VOLTAGE/VOLTS. STORED ENERGY. ENERGY POTENTIAL
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Special type of radiation includes Xrays
IONIZING RADIATION
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Interaction between mattr and radiation
IONIZATION
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consist of newly fred electron and the remaining positivelt charged
ION PAIR
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ELECTROMAGNETIC SPECTRUM
RADIOWAVES MICROWAVES INFRARED VISIBLE LIGHT ULTRAVIOLET GAMMA RAY X-RAY
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2 main categories sources of ionizing radiation
1. NATURAL ENVIRONMENTAL RADIATION 2. MAN MADE RADIATION
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contributes to annual dose of 3msv
NATURAL ENVIRONMENTAL RADIATION
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contributes to annual dose of 3.2 msv
MAN MADE RADIATION
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unit used to express radiation exposure and risk in populations
MILLISIEVERTS (mSV)
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4 Components of Natural Environmental Radiation
COSMIC RAYS TERRESTRIAL RADIATION INTERNALLY DEPOSITED RADIONUCLIDES
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radiation from star and sun
COSMIC RAYS
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originates from uranium and thorium
TERRESTRIAL RADIATION
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mainly comes from -40 pottassium
INTERNALLY DEPOSITED RADIONUCLIDES
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largest source of NER
RADON
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RADON PARTS
RADON CONCRETE BLOCKS RADON BRICKS RADON GYPSUM