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RAD 370 Final study guide Questions & Answers
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RAD 370 Final study guide Questions & Answers
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RAD 370 Final study guide Questions &Answers
Question 1
When specialized pixels in a complementary metal oxide silicon system are struck with x-ray
photons Correct Ans-Converted into light
Light photons are stored in capacitors
Light photons are converted into electrical charge
NOT all the above
The number of bits per pixel is known as bit Correct Ans-depth
HIPAA Correct Ans-The Health Insurance Portability and Accountability Act, a federal law
protecting the privacy of patient-specific health care information and providing the patient with
control over how this information is used and distributed.
DICOM Correct Ans-digital imaging and communications in medicine; it is a global
information technology standard that allows network communication between a modality and a
PACS.
HL-7 Correct Ans-The standard that oversees most computerized clinical and administrative
data is known as _______.
Each square in a matrix is called a: Correct Ans-pixel or picture element
, A histogram displays the useful signal by locating Correct Ans-Maximum and minimum signal
High-pass filtering Correct Ans-technique for the enhancement of contrast and edge that
amplifies the frequencies of areas of interest that are known (those frequencies that can be
amplified) and suppresses frequencies outside the area of interest
Low-pass filtering Correct Ans-Result of averaging each pixel's frequency with surrounding
pixel values to remove high-frequency noise; the result is a reduction of noise and contrast;
useful for viewing small structures such as fine bone.
Used to describe the reading of images outside of the hospital walls, generally at home or in
remote locations? Correct Ans-Teleradiology
Any computer that a health care worker uses to view a digital image is a(n): Correct Ans-
Display workstation
The improper algorithm application may result in: Correct Ans-degradation of the image
Ultimate focus in healthcare is to improve _______ and provide ______ so that patients will
want to return Correct Ans-Patient care/high-quality service
X-ray energy related to direct capture DR will stimulate a _______, which eventually is changed
into an electrical signal Correct Ans-scintillator
PACS stands for Correct Ans-Picture Archiving and Communication System
The two elements needed to convert light signals into an electrical signal while using indirect
capture DR are TFT and: Correct Ans-photodiodes
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