non-ionising radiation (high frequency sound waves)
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Other questions in this quiz
2. what is shown in CT
multiplanar images with good soft tissue display
cross sectional images of bone and soft tissue
coronal image of soft tissue - can have colour overlay
function and physiology of tissues
bones and joints and some soft tissue
real time moving images of bony structures and contrast soft tissue
3. what is meant by X-ray attenuation
the range of absorbtion levels of materials as x rays travel through
the differences of energy incidence on receptors caused by a homogenous X-ray on a patient
the range of energy levels of x rays allowing them to demonstrate a range of densities
4. what is meant by the Compton scatter
when an incidence photon is absorbed by a k shell electron, which forms a Compton electron and is displaced and replaced by an L-shell electron which produces K-alpha emission.
when an incidence photon is partially absorbed and partially deflected by a k shell electron, which causes it to be displaced and form a Compton electron
when an incidence photon is absorbed by a k shell electron, which forms a photoelectron and is displaced and replaced by an L-shell electron which produces Compton emission.
when an incidence photon is partially absorbed and partially deflected by a L shell electron, which causes it to be displaced and form a Compton electron
when an incidence photon is partially absorbed and partially deflected by a outer shell electron, which causes it to be displaced and form a Compton electron
when an incidence photon is absorbed by a L shell electron, which forms a Compton electron and is displaced and replaced by an K-shell electron which produces L-alpha emission.
5. what are the dangers of plain film radiography
walking into room with electronics can be dangerous
radiation - protection needed
iodine contrast can cause allergic reaction (anaphylaxis) and has interactions with some drugs
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