The term ‘Digital Radiography’ has come to imply a technique in which the traditional silver halide film/screen radiation receptor has been replaced by...
a photo-electronic receptor controlled by a computer.
What is digital fluroscopy?
An imaging technique that uses X-rays to produce real-time moving images
Where intensifying screens are placed?
Inside the radiographic cassette
Which step is missing? Developing - ?? - Washing - Drying
Fixing
What is Anode made of?
Tungsten
How many months have 28 days?
All of them.
Why is necessary for the Base to be chemically inert?
So that it will not react with the phosphor layer or interfere with the conversion of x-ray photons to light photons.
What is the function of Fixing step?
Remove all unexposed and undeveloped silver halide crystals
In Digital Radiography (DR), the video signal is converted into...
Numbers
Digital fluoroscopy use higher radiation dose compared to older systems.
I have cities, but no houses; rivers, but no water. What am I?
Map.
Which is the smallest country in the world?
Vatican
In Analog-to-Digital Converter (ADC) numbers represent...
Image brightness
In which anatomical part you can start the angiography procedure?
Femoral artery.
Of what material is made Protective Coat?
Thin plastic.
Why washing step is essential?
To prevent chemical stains and image degradation over time
What is the most spoken native language in the world?
Mandarin Chinese
Which animal can live the longest?
Greenland shark (can live 200–400+ years)
Which are four layers of intensifying screen?
● Base
● Reflective Layer
● Phosphor Layer
● Protective Coat
What does Developing of the film reduce?
Reduce of exposed silver halide to metallic silver