RAD 370 Digital Imaging Final Questions and Answers 100% Solved correctly
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Course
RAD 370 Digital Imaging
Institution
RAD 370 Digital Imaging
Which one of the following serves to protect against static buildup, dust collection, and
mechanical damage to the imaging plate?
- aluminum backing
- lightweight plastic
- felt material
- cassette front - ️️felt material
Milliampere-seconds (mAs) is selected for the:
- shortest time pos...
RAD 370 Digital Imaging Final
Which one of the following serves to protect against static buildup, dust collection, and
mechanical damage to the imaging plate?
- aluminum backing
- lightweight plastic
- felt material
- cassette front - ✔️✔️felt material
Milliampere-seconds (mAs) is selected for the:
- shortest time possible
- longest time possible
- number of electrons needed
- amount of penetration needed - ✔️✔️number of electrons needed
The layer of the imaging plate that traps electrons during exposure is the ________
layer:
- protective
- reflective
- active
- support - ✔️✔️active
The imaging plate layer that absorbs stimulating light and reflects emitted light is the
_______ layer:
- active
- color
- reflective
- backing - ✔️✔️color
The reflective layer :
- absorbs and reduces static
- gives the imaging sheet strength
- protects the back of the cassette
- sends light in a forward direction - ✔️✔️sends light in a forward direction
The phosphor layer is made of phosphors from the _______ family:
- barium sulfate
- halide calcium
- barium fluorohalide
- calcium fluorohalide - ✔️✔️barium fluorohalide
When the imaging plate is irradiated, stimulated electrons enter the ______ layer:
- active
- conductive
- protective
,- support - ✔️✔️active
Each light photon is assigned a number during:
- amplification
- reading
- quantization
- laser scanning - ✔️✔️quantization
The PSP cassette is backed by aluminum that:
- reflects x-rays
- absorbs backscatter x-rays
- captures the image
- transmits x-rays - ✔️✔️absorbs backscatter x-rays
The laser scans the imaging plate in a ______ pattern:
- raster
- horizontal
- circular
- random - ✔️✔️raster
The process of scanning the moving imaging plate is known as:
- transition
- raster scanning
- digitization
- translation - ✔️✔️translation
Which of the following does not determine PSP resolution?
- phosphor layer thickness
- pixel size
- the number of pixels
- laser scan speed - ✔️✔️laser scan speed
PSP imaging plates are erased by flooding the plate with:
- light
- radiation
- electrons
- phosphors - ✔️✔️light
The amount of detail present in any image is known as ______ resolution:
- contrast
- density
- spatial
- optical - ✔️✔️spatial
, The selection of the incorrect body part from the examination menu may result in:
- no image
- image misinterpretation
- proper density and contrast
- no difference in image sharpness - ✔️✔️image misinterpretation
When insufficient light is produced by the imaging plate phosphor, the image will:
- not be formed
- be grainy
- be dark
- be detailed - ✔️✔️be grainy
Quantum mottle is caused by:
- excessive mAs
- excessive kVp
- insufficient distance
- insufficient light - ✔️✔️insufficient light
The higher the number of pixels in a matrix, the:
- higher the image resolution
- lower the image resolution
- lack of effect on image resolution
- smaller the image - ✔️✔️higher the image resolution
Shuttering is a post exposure image manipulation technique that:
- is placed on the patient
- is placed in the cassette
- is added to the screen image
- changes the amount of scatter - ✔️✔️is added to the screen image
The exposure indicator number is:
- an accurate measure of the patient dose
- an indication of radiation absorbed by the imaging plate
- both A and B
- neither A and B - ✔️✔️and indication of radiation absorbed by the imaging plate
Europium is the _____ of the photostimulable phosphor:
- image buffer
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