Optimization for radiation protecting (synonymous with ALARA)
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ORP
Is radiation that produces positively and negatively charged particles(ions) when
passing through matter
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Ionizing radiation
The greater it's radiographic density(air in the lung, black)
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The less a given structure attenuates radiation
High melting points and high atomic numbers (last longer)
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Reasons tungsten and tungsten rhenium are used as target materials
ESE and glandular dose, bone marrow dose, gonadal dose
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Amount of radiation received by patient may be indicated in terms of
Grays close to each other in color in an image
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Low contrast
X-ray beam passes through a patient
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, Attenuation
Quantity of radiation that is directed towards a patient
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Milliampere-second (mAs) controls
CT started being used
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1980
Most important mode of interaction between X-ray photons and atoms of the patients
body for producing useful images(complete absorption) higher the "z" number higher
chance of this happening
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Photoelectric absorption
Air
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Give this one a try later!
ORP
Is radiation that produces positively and negatively charged particles(ions) when
passing through matter
Give this one a try later!
Ionizing radiation
The greater it's radiographic density(air in the lung, black)
,Give this one a try later!
The less a given structure attenuates radiation
High melting points and high atomic numbers (last longer)
Give this one a try later!
Reasons tungsten and tungsten rhenium are used as target materials
ESE and glandular dose, bone marrow dose, gonadal dose
Give this one a try later!
Amount of radiation received by patient may be indicated in terms of
Grays close to each other in color in an image
Give this one a try later!
Low contrast
X-ray beam passes through a patient
Give this one a try later!
, Attenuation
Quantity of radiation that is directed towards a patient
Give this one a try later!
Milliampere-second (mAs) controls
CT started being used
Give this one a try later!
1980
Most important mode of interaction between X-ray photons and atoms of the patients
body for producing useful images(complete absorption) higher the "z" number higher
chance of this happening
Give this one a try later!
Photoelectric absorption
Air
Give this one a try later!
