Preview: MEDICAL IMAGING / RADIOGRAPHY

MRI signal fundamentally depends on properties of: Context: teaching hospital. [Medical Imaging/Radiography Degree Graduate Practice Set 10, Case 88]

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

A stochastic radiation effect is characterized by: Context: regional referral hospital. [Medical Imaging/Radiography Degree Graduate Practice Set 10, Case 79]

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

CT image reconstruction is based on: Context: outpatient service. [Medical Imaging/Radiography Degree Graduate Practice Set 10, Case 125]

A Visible-light photography B Mathematical processing of attenuation measurements acquired around the patient C Sound-wave reflection only D Blood-flow microscopy E Magnetic resonance alone

A radiology quality-assurance programme should monitor: Context: professional practice scenario. [Medical Imaging/Radiography Degree Graduate Practice Set 10, Case 12]

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

A major advantage of ultrasound is that it: Context: district hospital. [Medical Imaging/Radiography Degree Graduate Practice Set 10, Case 110]

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

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MEDICAL IMAGING / RADIOGRAPHY – DEGREE QZ10

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