CRDR PACS Exam Questions with 100% Correct Answers 2024/2025
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Course
CRDR PACS
Institution
CRDR PACS
CRDR PACS Exam Questions with 100% Correct Answers 2024/2025
primary beam - ANSWERSWhen an exposure is made, x-ray radiation exits the tube
absorbed radiation - ANSWERSRadiation that stays in the patient
remnant radiation - ANSWERSAll radiation exiting the patient during exposure and ult...
CRDR PACS Exam Questions with 100%
Correct Answers 2024/2025
primary beam - ANSWERSWhen an exposure is made, x-ray radiation exits the tube
absorbed radiation - ANSWERSRadiation that stays in the patient
remnant radiation - ANSWERSAll radiation exiting the patient during exposure and ultimately striking the
receptor
an image procedure has the following steps - ANSWERSImage Acquisition
Image Processing
Image Display
Image Storage
types of image formation - ANSWERSanalog imaging
digital imaging
analog - ANSWERSas the hands sweep around a dial, the position of the hands is a measure of the time
digital - ANSWERSquantities are counted (digits) rather than measured
digital image advantages - ANSWERSyou get an exact result and images can be copied, edited, and
moved without losing quality
conventional imaging acquisition steps - ANSWERS1. film between 2 intensifying screens (made of
luminescent phosphor crystals)
2. captures energy from remnant beam
, 3. screen emits light when x-rays strike
4. this forms a latent image
conventional imaging processing steps - ANSWERSfilm is processed chemically to form the manifest
image
latent image - ANSWERSan invisible image on the x-ray film
manifest image - ANSWERSThe visible image on the exposed film after processing
conventional imaging display steps - ANSWERSthe processed film viewed on a view (or light) box
conventional imaging storage steps - ANSWERSx-ray images stored in a file room
Conventional imaging disadvantages - ANSWERScost, time, lost images
History of computers - ANSWERSENIAC, 1946
UNIVAC 1952 Presidential Election
digital imaging founded? - ANSWERSfirst used in the 1970s with the development of computed
tomography (CT)
who developed the first CT scanner? - ANSWERSGodfrey Hounsfield
Digital imaging is defined as? - ANSWERSany image acquisition process that produces an electronic
image
digital imaging modalities - ANSWERScomputed tomography (CT), sonography, nuclear medicine,
magnetic resonance (MRI), mammography, radiography, angiography
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