Preview: MEDICAL IMAGING / RADIOGRAPHY

A major advantage of ultrasound is that it: Context: community service. [Medical Imaging/Radiography Degree Graduate Practice Set 12, Case 72]

A Requires radioactive tracers B Always penetrates bone perfectly C Uses non-ionizing sound waves D Cannot image soft tissue E Uses high-dose ionizing radiation

MRI signal fundamentally depends on properties of: Context: professional practice scenario. [Medical Imaging/Radiography Degree Graduate Practice Set 12, Case 90]

A Gamma cameras only B Visible photons C Ultrasound crystals only D Nuclei such as hydrogen interacting with magnetic fields and radiofrequency pulses E Ionizing X-rays only

A stochastic radiation effect is characterized by: Context: quality-assurance review. [Medical Imaging/Radiography Degree Graduate Practice Set 12, Case 25]

A Severity always increasing above a fixed threshold only B Only equipment damage C No relationship to radiation D Probability increasing with dose without a clear threshold E Immediate mechanical injury

A radiology quality-assurance programme should monitor: Context: teaching hospital. [Medical Imaging/Radiography Degree Graduate Practice Set 12, Case 118]

A Image quality, equipment performance, reject analysis and radiation protection B Only room paint C Only staff attendance D Only patient age E Only equipment price

Justification in medical imaging requires that: Context: district hospital. [Medical Imaging/Radiography Degree Graduate Practice Set 12, Case 60]

A Expected clinical benefit outweighs radiation risk for the examination B All repeat examinations be automatic C Dose be maximized D Every available test be performed E Imaging replace clinical assessment

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MEDICAL IMAGING / RADIOGRAPHY – DEGREE QZ12

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