Preview: MEDICAL IMAGING / RADIOGRAPHY

A stochastic radiation effect is characterized by: Context: regional referral hospital. [Medical Imaging/Radiography Degree Graduate Practice Set 14, Case 99]

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

In nuclear medicine, a radiopharmaceutical combines: Context: emergency setting. [Medical Imaging/Radiography Degree Graduate Practice Set 14, Case 85]

A A magnet with ultrasound gel B An antibiotic with contrast only C A grid with film D A laser with iodine E A radionuclide with a biologically relevant carrier or compound

CT image reconstruction is based on: Context: outpatient service. [Medical Imaging/Radiography Degree Graduate Practice Set 14, Case 145]

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

Justification in medical imaging requires that: Context: community service. [Medical Imaging/Radiography Degree Graduate Practice Set 14, Case 126]

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

MRI signal fundamentally depends on properties of: Context: teaching hospital. [Medical Imaging/Radiography Degree Graduate Practice Set 14, Case 52]

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

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MEDICAL IMAGING / RADIOGRAPHY – DEGREE QZ14

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