Digital Radiography Worksheet
Authored by makayla makayla
Science
9th Grade
Used 1+ times
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68 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Computed radiography (CR) and direct radiography (DR) IRs differ in which of the following ways?
CR uses a photostimulable phosphor plate, while DR uses a flat-panel detector.
CR uses a flat-panel detector, while DR uses a photostimulable phosphor plate.
Both CR and DR use only film-based imaging.
CR and DR are identical in their image acquisition methods.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identify the main difference between indirect and direct conversion type digital IRs.
Direct conversion type digital IRs convert the input signal directly to a digital output, while indirect conversion type digital IRs use an intermediate analog signal.
Indirect conversion type digital IRs convert the input signal directly to a digital output, while direct conversion type digital IRs use an intermediate analog signal.
Both types use only analog signals for conversion.
There is no difference between indirect and direct conversion type digital IRs.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following lists five digital radiographic modes in addition to computed radiography?
Direct digital radiography, fluoroscopy, digital mammography, digital dental radiography, digital tomosynthesis
Computed tomography, ultrasound, MRI, PET, SPECT
Analog radiography, film-screen radiography, xeroradiography, angiography, nuclear medicine
Digital subtraction angiography, echocardiography, thermography, scintigraphy, endoscopy
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The difference between direct digital radiography and indirect digital radiography is:
Direct digital radiography converts X-rays directly into electrical signals, while indirect digital radiography first converts X-rays into light, then into electrical signals.
Direct digital radiography uses film, while indirect digital radiography uses sensors.
Indirect digital radiography produces higher resolution images than direct digital radiography.
Direct digital radiography requires chemical processing, while indirect digital radiography does not.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The capture, coupling, and collection stages are essential components of each type of digital radiographic imaging system.
They determine how the image is acquired, transferred, and stored in digital radiography.
They describe the process of patient preparation before imaging.
They refer to the maintenance procedures for radiographic equipment.
They are unrelated steps in the imaging workflow.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Silicon, selenium, cesium iodide, and gadolinium oxysulfide are used as what in digital radiography?
Detector materials
Contrast agents
Image display screens
X-ray tubes
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is shown in the images above?
Magnetic Resonance Imaging (MRI)
Direct Digital Radiography (DR or DDR)
Computed Tomography (CT)
Ultrasound Imaging
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