Question 1

The contrast ratio of a viewing monitor should be higher than

Accepted Answer

A) 100. 
B) 170. 
C) 250. 
D)  500. 
A) 100. 
B) 170. 
C) 250. 
D)  500. C

Question 2

Going from a 256 * 256 to a 512 * 512 matrix doubles an image's

Accepted Answer

A)  spatial resolution. 
B)  pixels. 
C)  gray levels. 
D)  contrast resolution. 
A)  spatial resolution. 
B)  pixels. 
C)  gray levels. 
D)  contrast resolution. A

Question 3

The limiting spatial resolution is also known as the

Accepted Answer

A)  modulation transfer function. 
B)  Nyquist frequency. 
C)  fill factor. 
D)  detective quantum efficiency. 
A)  modulation transfer function. 
B)  Nyquist frequency. 
C)  fill factor. 
D)  detective quantum efficiency. B

Question 4

Which of the following uses photostimulable phosphors?

Accepted Answer

A)  Indirect conversion DR system 
B)  Direct conversion DR system 
C)  CR systems 
D)  Flat panel fluoroscopic systems 
A)  Indirect conversion DR system 
B)  Direct conversion DR system 
C)  CR systems 
D)  Flat panel fluoroscopic systems

Question 5

The DICOM standard does not specify an image's

Accepted Answer

A)  matrix depth. 
B)  bit depth. 
C)  display settings. 
D)  examination time. 
A)  matrix depth. 
B)  bit depth. 
C)  display settings. 
D)  examination time.

Question 6

Film utilized in dry laser printers uses silver _____ emulsions.

Accepted Answer

A)  bromide 
B)  iodide 
C)  behenate 
D)  sulfide 
A)  bromide 
B)  iodide 
C)  behenate 
D)  sulfide

Question 7

Photoconductors convert x-ray energy into

Accepted Answer

A)  light energy. 
B)  heat energy. 
C)  radiofrequencies. 
D)  electric current. 
A)  light energy. 
B)  heat energy. 
C)  radiofrequencies. 
D)  electric current.

Question 8

CRT monitors for viewing digital images by the technologist should have a luminance value higher than ____ nit.

Accepted Answer

A)  100 
B)  170 
C)  1500 
D)  3500 
A)  100 
B)  170 
C)  1500 
D)  3500

Question 9

The most important component affecting the spatial resolution in digital subtraction angiography is the

Accepted Answer

A)  focal spot size. 
B)  image intensifier. 
C)  television camera. 
D)  computer matrix size. 
A)  focal spot size. 
B)  image intensifier. 
C)  television camera. 
D)  computer matrix size.

Question 10

Benefits of digital PACS images do not generally include

Accepted Answer

A)  convenient storage. 
B)  image transmission. 
C)  computer-aided diagnosis. 
D)  improved spatial resolution. 
A)  convenient storage. 
B)  image transmission. 
C)  computer-aided diagnosis. 
D)  improved spatial resolution.

The contrast ratio of a viewing monitor should be higher than

Going from a 256 * 256 to a 512 * 512 matrix doubles an image's

The limiting spatial resolution is also known as the

Which of the following uses photostimulable phosphors?

The DICOM standard does not specify an image's

Film utilized in dry laser printers uses silver _____ emulsions.

Photoconductors convert x-ray energy into

CRT monitors for viewing digital images by the technologist should have a luminance value higher than ____ nit.

The most important component affecting the spatial resolution in digital subtraction angiography is the

Benefits of digital PACS images do not generally include

Introduction to Quality Management

Quality Improvement Tools and Procedures

Image Quality

Filmscreen Image Receptor Systems

Quality Control of X-Ray Generators and Ancillary Radiographic Equipment

Radiographic Image Artifacts

Quality Control of Fluoroscopic Equipment

Mammographic Quality Standards

Quality Control in Computed Tomography

Quality Control for Magnetic Resonance Imaging Equipment

Ultrasound Equipment Quality Assurance

Quality Assurance in Nuclear Medicine

Filters

Exam 8: Digital Radiographic and Fluoroscopic Systems and Advanced Imaging Equipment

The contrast ratio of a viewing monitor should be higher than

Going from a 256 * 256 to a 512 * 512 matrix doubles an image's

The limiting spatial resolution is also known as the

Which of the following uses photostimulable phosphors?

The DICOM standard does not specify an image's

Film utilized in dry laser printers uses silver _____ emulsions.

Photoconductors convert x-ray energy into

CRT monitors for viewing digital images by the technologist should have a luminance value higher than ____ nit.

The most important component affecting the spatial resolution in digital subtraction angiography is the

Benefits of digital PACS images do not generally include

Introduction to Quality Management

Quality Improvement Tools and Procedures

Image Quality

Filmscreen Image Receptor Systems

Quality Control of X-Ray Generators and Ancillary Radiographic Equipment

Radiographic Image Artifacts

Quality Control of Fluoroscopic Equipment

Mammographic Quality Standards

Quality Control in Computed Tomography

Quality Control for Magnetic Resonance Imaging Equipment

Ultrasound Equipment Quality Assurance

Quality Assurance in Nuclear Medicine

Filters