procedures sem1
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| show | False
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| T or f? With a CR system there is no danger of routinely overexposing all patients | show 🗑
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| T or f? A digital image is composed of a series of rows and columns known as a matrix | show 🗑
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| show | Computed radiography
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| Digital images are stored by a computer as what? | show 🗑
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| show | B.
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| show | True
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| show | True
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| T or F? Flat panel receptors are classified as scintillator based or non scintillator based | show 🗑
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| show | A.
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| show | C.
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| show | A
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| How many people can view a digital image on a PACS simultaneously? | show 🗑
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| In what year did the ARC and the NEMA form a joint committee to create a standard process for transmitting medical images? | show 🗑
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| show | 1993
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| Workstations designated as diagnostic workstations typically are used only by: A. Radiographers B. Medical physicists C. Radiologists D. Physicians | show 🗑
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| Long term storage of digital images occurs in which type of storage system? | show 🗑
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| A benefit of installing PACS software on computers throughout the medical facility is increased: A. Image detail B. Viewing functionality C. Access D. Image size | show 🗑
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| Prefetching generally occurs at what time of the day? A. The start of the work day B. During the lunch hour C. During the night | show 🗑
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| show | A
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| show | C
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| show | Analog, digital
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| Computer _____ are the software of the computer. | show 🗑
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| To encode is to translate from ordinary characters to computer compatible characters - ______ _______. | show 🗑
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| The electronic circuitry that does the actual _______ and the memory that supports this together are called the _______. | show 🗑
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| show | Working
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| show | Devices
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| show | Data
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| show | Patient
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| Which device allows for an increased scanning precision compared with a mechanical arm? | show 🗑
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| In a PSP plate reader, the light guide collects the light and directs it into a _______. | show 🗑
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| show | High intensity light
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| When using a flat panel detector, the technologist does not touch the : | show 🗑
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| In a flat panel imaging system, electrons are converted into digital values by an: | show 🗑
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| show | A scintillator
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| show | The image quality is poor
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| A graphical representation of exposure values extracted from an image receptor is known as: | show 🗑
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| Visual cues that an image has been overexposed are not easily seen in digital radiography because of: | show 🗑
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| show | The El number might display improperly
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| show | C
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| show | D.
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| What is the ideal percentage value for MTF? | show 🗑
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| show | True
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| show | Computed radiography
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| show | D
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| Which department(s) use a digital format for imaging? A. MRI B. CT C. nuclear medicine D. All the above | show 🗑
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| Eight bits equals ___ byte(s) | show 🗑
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| T or F? To change from film/screen to CR, significant changes must be made to the X-ray generating equipment | show 🗑
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| show | False
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| show | False
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| show | A
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| show | False
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| T or F? Soft copy is the term that refers to the output seen on a display screen | show 🗑
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| show | Remnant beam
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| Digital imaging systems have a large dynamic range, which means that they can respond to a wide range of: | show 🗑
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| show | Light photons
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| In an analog to digital converter, the analog input consists of: | show 🗑
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| Which symbols compose the binary language ? | show 🗑
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| show | 256
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| As the pixel size decreases, the recorded detail : | show 🗑
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| Scintillation refers to a material's ability to give off: | show 🗑
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| show | Phosphor
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| show | A red laser beam
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| Direct image formation converts X-rays into _______. | show 🗑
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| Individual components of a digital imaging are collected in areas of a thin-film transistor known as: | show 🗑
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| show | Noise
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| show | Respond to low light levels
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| DQE is a measure of image ______. | show 🗑
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| show | Larger pixel size and lower spatial resolution
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| show | DELs
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| show | 2
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| show | 50, 100
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| show | Increase image noise
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| ______ ______ is determined by the percentage of energy that strikes a receptor material that is absorbed by the receptor | show 🗑
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| show | C.
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| In digital imaging, _____ is determined by pixel size. | show 🗑
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| Which of the following affects the number of shades of gray for a digital image? A. Matrix size B. Field of view C. Bit depth | show 🗑
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