Digital Radiography (DR) Review

In DR, where are the electrical charges stored?

• Thin Plate Transistors TPTs

• Titanium Film Transistors TFTs

• Thin Film Transistors TFTs

• Thin Photodiode Transistors TPTs

What are the two types of Direct Readout Digital Radiography?

• Indirect Scintillator

• Indirect Photoconductor

• Direct Scintillator

• Direct Photoconductor

The area of the TFT that is capable of recording information in comparison to the portion of the TFT that houses electronics is referred to as:

• Pixel pitch

• Fill factor

• DQE

• none of the above

What is the scintillation phosphor typically used in the indirect conversion of DR?

• CsI

• a-Se

• a-Si

• all of the above

What is the photoconductor material typically used in the direct conversion of digital radiography?

• a-Se

• CsI

• a-Si

• NaCl

What does a scintillator do?

• Absorbs light and converts energy to x-rays

• Absorbs light and converts to light

• Absorbs x-rays and converts energy to light

• 
  Absorbs x-rays and converts to carbon

Tags

NGSS.HS-PS4-3

What does DR stand for?

• Digitized Radiology

• Digital Radiography

• Digital Resonance

• Disgustingly Repulsive