Introduction to Radiologic
Technology 2026 | Study
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Ethics Study Guide
Updated 2026 Questions and Answers
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,What are the two components of the x-ray tube? Anode & Cathode
What is needed to create x-rays? 1. Source of electrons
2. Means to accelerate the electrons
3. Means to bring electrons to a sudden stop
Cathode has a filament which contains... A thermionic cloud of electrons
When the filament is heated and electrons are emitted Thermionic Emission
Law of Energy Conversion Energy cannot be created or destroyed, ONLY converted from one type of energy to
another
By product of x-ray tube energy conversion >99% heat
<1% x-radiation
2 primary advantages of digital imaging 1. Post-processing image enhancement
2. Images are stored on computer
What's a further advantage of the post-processing image May alter density of contrast of image after patient has had exam
enhancement of digital imaging
What's a further advantage of digital images being able to Having the ability to transfer to multiple locations via network, email, or CD/Rom
be stored on a computer?
An imaging plate is coated with Photostimuable phosphor
Once the photostimuable phosphor of an imaging plate is Excited and remains so until processed
struck with x-rays it becomes
Once the IP is placed in reader (processor) it is scanned 1. Releases the energized phosphor
with a laser and... 2. Phosphor are converted to visible image by computer
3. Viewed on Hi-res monitor
, When struck by x-ray Phosphor crystals do what Glow
1 x-ray photon= 1000's light photons
Photon Value of electromagnetic radiation
Purpose of an intensifying screen Reduce patient exposure
Intensifying screen is coated with what emulsion on both Gelatin, silver compounds, protective coating
sides
Processed film = Permanent record and legal document
Spot film Still photo from fluoro
Computed tomography Provides cross sectional views of the body
Gantry X-ray tube and detectors on circular path in CT
MRI Exposed to a magnetic field and radio wave transmission
PET Positron Emission Tomography
Technology 2026 | Study
Guide, Practice Questions,
Answers, Rationales &
Exam Review | Complete
Ethics Study Guide
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales
Included
,What are the two components of the x-ray tube? Anode & Cathode
What is needed to create x-rays? 1. Source of electrons
2. Means to accelerate the electrons
3. Means to bring electrons to a sudden stop
Cathode has a filament which contains... A thermionic cloud of electrons
When the filament is heated and electrons are emitted Thermionic Emission
Law of Energy Conversion Energy cannot be created or destroyed, ONLY converted from one type of energy to
another
By product of x-ray tube energy conversion >99% heat
<1% x-radiation
2 primary advantages of digital imaging 1. Post-processing image enhancement
2. Images are stored on computer
What's a further advantage of the post-processing image May alter density of contrast of image after patient has had exam
enhancement of digital imaging
What's a further advantage of digital images being able to Having the ability to transfer to multiple locations via network, email, or CD/Rom
be stored on a computer?
An imaging plate is coated with Photostimuable phosphor
Once the photostimuable phosphor of an imaging plate is Excited and remains so until processed
struck with x-rays it becomes
Once the IP is placed in reader (processor) it is scanned 1. Releases the energized phosphor
with a laser and... 2. Phosphor are converted to visible image by computer
3. Viewed on Hi-res monitor
, When struck by x-ray Phosphor crystals do what Glow
1 x-ray photon= 1000's light photons
Photon Value of electromagnetic radiation
Purpose of an intensifying screen Reduce patient exposure
Intensifying screen is coated with what emulsion on both Gelatin, silver compounds, protective coating
sides
Processed film = Permanent record and legal document
Spot film Still photo from fluoro
Computed tomography Provides cross sectional views of the body
Gantry X-ray tube and detectors on circular path in CT
MRI Exposed to a magnetic field and radio wave transmission
PET Positron Emission Tomography
