Bushong-Chapter 26 questions with
complete solutions A+ rated
advantages of digital fluor over conventional - correct answer ✔✔image
acquisition speed
postprocessing tools
pixel size = - correct answer ✔✔image intensifier size / matrix
spatial resolution is limited by - correct answer ✔✔pixel size
how many monitors are used? - correct answer ✔✔at least 2
how is tube current measured? - correct answer ✔✔in hundreds of mA
how does the tube under the table operate? - correct answer ✔✔in radiographic
mode
what would happen if the tube was continuously energized? - correct answer
✔✔tube would fail because of thermal overload
extremely high patient dose
how are images obtained? - correct answer ✔✔pulse progressive fluoroscopy
, image acquisition rates - correct answer ✔✔1/sec-10/sec
interrogation time - correct answer ✔✔The time required for the x-ray tube to be
switched on and reach selected levels of kVp and mA.
extinction time - correct answer ✔✔the time required for the x-ray tube to be
switched off
duty cycle - correct answer ✔✔the fraction of time that the x-ray tube is
energized
Image Wisely - correct answer ✔✔alliance for radiation safety in adult patient
imaging
what is essential for reducing radiation dose in fluoro? - correct answer
✔✔"pause and pulse"
two types of image receptors - correct answer ✔✔CCD
flat panel
where else are CCD's used? - correct answer ✔✔digital camera
television
astronomy
smart phones
complete solutions A+ rated
advantages of digital fluor over conventional - correct answer ✔✔image
acquisition speed
postprocessing tools
pixel size = - correct answer ✔✔image intensifier size / matrix
spatial resolution is limited by - correct answer ✔✔pixel size
how many monitors are used? - correct answer ✔✔at least 2
how is tube current measured? - correct answer ✔✔in hundreds of mA
how does the tube under the table operate? - correct answer ✔✔in radiographic
mode
what would happen if the tube was continuously energized? - correct answer
✔✔tube would fail because of thermal overload
extremely high patient dose
how are images obtained? - correct answer ✔✔pulse progressive fluoroscopy
, image acquisition rates - correct answer ✔✔1/sec-10/sec
interrogation time - correct answer ✔✔The time required for the x-ray tube to be
switched on and reach selected levels of kVp and mA.
extinction time - correct answer ✔✔the time required for the x-ray tube to be
switched off
duty cycle - correct answer ✔✔the fraction of time that the x-ray tube is
energized
Image Wisely - correct answer ✔✔alliance for radiation safety in adult patient
imaging
what is essential for reducing radiation dose in fluoro? - correct answer
✔✔"pause and pulse"
two types of image receptors - correct answer ✔✔CCD
flat panel
where else are CCD's used? - correct answer ✔✔digital camera
television
astronomy
smart phones
