Question 1

Photoconductors are materials that

Accepted Answer

A)  produce light when absorbing x-rays. 
B)  produce x-rays when absorbing light. 
C)  absorb light and produce electric charges. 
D)  absorb x-rays and produce electrical charges. 
A)  produce light when absorbing x-rays. 
B)  produce x-rays when absorbing light. 
C)  absorb light and produce electric charges. 
D)  absorb x-rays and produce electrical charges.

Question 2

The 2-D array determines whether the imager is direct conversion or indirect conversion.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following is used as a photoconductor?

Accepted Answer

A)  Gd2O2S 
B)  a-Se 
C)  a-Si:H 
D)  Cesium Iodide (CsI) 
A)  Gd2O2S 
B)  a-Se 
C)  a-Si:H 
D)  Cesium Iodide (CsI)

Question 4

A Gd2O2S scintillator is known as what type of phosphor?

Accepted Answer

A)  Turbid 
B)  Unstructured 
C)  Structured 
D)  Both A and B 
A)  Turbid 
B)  Unstructured 
C)  Structured 
D)  Both A and B

Question 5

Possible causes of image lag include all except

Accepted Answer

A)  rapid succession images. 
B)  overexposure. 
C)  lack of beam attention. 
D)  underexposure. 
A)  rapid succession images. 
B)  overexposure. 
C)  lack of beam attention. 
D)  underexposure.

Photoconductors are materials that

The 2-D array determines whether the imager is direct conversion or indirect conversion.

Which of the following is used as a photoconductor?

A Gd₂O₂S scintillator is known as what type of phosphor?

Possible causes of image lag include all except

Introduction to Digital Radiography and Picture Archiving and Communication Systems

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Filters

Exam 5: Thin-Film Transistor Flat-Panel Array Image Acquisition

Photoconductors are materials that

The 2-D array determines whether the imager is direct conversion or indirect conversion.

Which of the following is used as a photoconductor?

A Gd2O2S scintillator is known as what type of phosphor?

Possible causes of image lag include all except

Introduction to Digital Radiography and Picture Archiving and Communication Systems

Digital Imaging Characteristics

Digital Radiographic Image Processing and Manipulation

Photostimulable Phosphor Image Capture

Charge-Coupled Devicecomplementary Metal Oxide Semiconductor Image Capture

Basic Computer Principles

Networking and Communication Basics

Picture Archiving and Communication System Fundamentals

Picture Archiving and Communication System Archiving and Peripherals

Medical Informatics

Ensuring Quality in Picture Archiving and Communication Systems

Quality Acceptance Testing Within Digital Projection Imaging

Filters

A Gd₂O₂S scintillator is known as what type of phosphor?