Question 1

The Kodak process that allows increased latitude while preserving detail is known as ______.

Accepted Answer

A) CCD 
B) CMOS 
C) LUT 
D) EVP 
A) CCD 
B) CMOS 
C) LUT 
D) EVP D

Question 2

"The sum of the components in a recording system cannot be greater than the system as a whole" is a definition of ______.

Accepted Answer

A) Modulation transfer function 
B) Enhanced visualization image processing 
C) Digital image contrast and density latitude 
D) Principles of contrast enhancement 
A) Modulation transfer function 
B) Enhanced visualization image processing 
C) Digital image contrast and density latitude 
D) Principles of contrast enhancement A

Question 3

Loss of detail in a digitally processed image ______.

Accepted Answer

A) Occurs because of the number of conversions 
B) Is extremely minimal compared with film/screen 
C) Is equal to film/screen 
D) Has almost no impact on the image 
A) Occurs because of the number of conversions 
B) Is extremely minimal compared with film/screen 
C) Is equal to film/screen 
D) Has almost no impact on the image A

Question 4

Suppressing frequencies in the areas of interest is known as ______.

Accepted Answer

A) Algorithm application 
B) Center enhancement 
C) Edge enhancement 
D) Masking 
A) Algorithm application 
B) Center enhancement 
C) Edge enhancement 
D) Masking

Question 5

Input of annotation for identification of the patient's left or right side ______.

Accepted Answer

A) Should take the place of the technologist's anatomy markers 
B) Should be used in conjunction with the technologist's markers 
C) Eliminates the need for any other type of anatomy markers 
D) None of the above 
A) Should take the place of the technologist's anatomy markers 
B) Should be used in conjunction with the technologist's markers 
C) Eliminates the need for any other type of anatomy markers 
D) None of the above

Question 6

Failure of the reader to find the collimation edges of an image ______.

Accepted Answer

A) Will result in image cutoff 
B) May cause the image to be too bright or too dark 
C) Will eliminate all scatter 
D) Will have no effect on the resultant image 
A) Will result in image cutoff 
B) May cause the image to be too bright or too dark 
C) Will eliminate all scatter 
D) Will have no effect on the resultant image

Question 7

Image level parameters control image ______.

Accepted Answer

A) Brightness 
B) Darkness 
C) Contrast 
D) Density 
A) Brightness 
B) Darkness 
C) Contrast 
D) Density

Question 8

The higher the kilovoltage peak, the ______.

Accepted Answer

A) Wider the histogram 
B) Narrower the histogram 
C) Higher the frequency 
D) Lower the frequency 
A) Wider the histogram 
B) Narrower the histogram 
C) Higher the frequency 
D) Lower the frequency

Question 9

If the entire range of exposure were digitized, pixel values representing ______ would be digitized.

Accepted Answer

A) Scatter 
B) Only diagnostic values 
C) Only the extreme values 
D) All values 
A) Scatter 
B) Only diagnostic values 
C) Only the extreme values 
D) All values

Question 10

The brightness or darkness of an image is controlled by ______.

Accepted Answer

A) Window 
B) Level 
C) Contrast 
D) Matrix 
A) Window 
B) Level 
C) Contrast 
D) Matrix

Question 11

The improper algorithm application may result in ______.

Accepted Answer

A) Enhanced contrast 
B) Improved resolution 
C) Repeat examinations 
D) Degradation of the image 
A) Enhanced contrast 
B) Improved resolution 
C) Repeat examinations 
D) Degradation of the image

Question 12

The amount of error that can be made and still result in the capture of a quality image refers to ______.

Accepted Answer

A) Contrast 
B) Density 
C) Latitude 
D) Resolution 
A) Contrast 
B) Density 
C) Latitude 
D) Resolution

Question 13

Changing the slope of the look-up table graph will increase or decrease ______.

Accepted Answer

A) Density 
B) The number of pixels 
C) The matrix size 
D) Contrast 
A) Density 
B) The number of pixels 
C) The matrix size 
D) Contrast

Question 14

Historical study of patient examinations can be accomplished through the manual send function.

Accepted Answer

A) True 
 B)False

Question 15

The ability to send images to local network stations can be accomplished using the ______.

Accepted Answer

A) Archive query 
B) Patient demographic input 
C) QC query 
D) Manual send function 
A) Archive query 
B) Patient demographic input 
C) QC query 
D) Manual send function

Question 16

A histogram displays the useful signal by locating ______.

Accepted Answer

A) All pixel values 
B) Maximum and minimum signal 
C) Maximum signal only 
D) Minimum signal only 
A) All pixel values 
B) Maximum and minimum signal 
C) Maximum signal only 
D) Minimum signal only

Question 17

If too few pixels are sampled, the result will be ______.

Accepted Answer

A) High resolution 
B) Low resolution 
C) High contrast 
D) Low contrast 
A) High resolution 
B) Low resolution 
C) High contrast 
D) Low contrast

Question 18

Proper patient demographic input is the responsibility of the ______.

Accepted Answer

A) Technologist 
B) QC manager 
C) Radiologist 
D) Transporter 
A) Technologist 
B) QC manager 
C) Radiologist 
D) Transporter

Question 19

A perfect image processing system would have an MTF of ______.

Accepted Answer

A) 1% 
B) 10% 
C) 100% 
D) 1000% 
A) 1% 
B) 10% 
C) 100% 
D) 1000%

Question 20

It is possible to achieve an MTF of 100%.

Accepted Answer

A) True 
 B)False

The Kodak process that allows increased latitude while preserving detail is known as ______.

"The sum of the components in a recording system cannot be greater than the system as a whole" is a definition of ______.

Loss of detail in a digitally processed image ______.

Suppressing frequencies in the areas of interest is known as ______.

Input of annotation for identification of the patient's left or right side ______.

Failure of the reader to find the collimation edges of an image ______.

Image level parameters control image ______.

The higher the kilovoltage peak, the ______.

If the entire range of exposure were digitized, pixel values representing ______ would be digitized.

The brightness or darkness of an image is controlled by ______.

The improper algorithm application may result in ______.

The amount of error that can be made and still result in the capture of a quality image refers to ______.

Changing the slope of the look-up table graph will increase or decrease ______.

Historical study of patient examinations can be accomplished through the manual send function.

The ability to send images to local network stations can be accomplished using the ______.

A histogram displays the useful signal by locating ______.

If too few pixels are sampled, the result will be ______.

Proper patient demographic input is the responsibility of the ______.

A perfect image processing system would have an MTF of ______.

It is possible to achieve an MTF of 100%.

Introduction to Digital Radiography and Pacs

Basic Computer Principles

Networking and Communications Basics

Cassette-Based Equipment: the Computed Radiography Cassette, Imaging Plate, and Reader

Cassette-Based Image Acquisition

Cassetteless Equipment and Image Acquisition

Pacs Fundamentals

Pacs Archiving

Digitizing, Printing, and Burning

Ensuring Quality in Pacs

Total Quality Management of Cr and Dr Systems

Filters

Exam 7: Digital Radiographic Image Processing and Manipulation

The Kodak process that allows increased latitude while preserving detail is known as ______.

"The sum of the components in a recording system cannot be greater than the system as a whole" is a definition of ______.

Loss of detail in a digitally processed image ______.

Suppressing frequencies in the areas of interest is known as ______.

Input of annotation for identification of the patient's left or right side ______.

Failure of the reader to find the collimation edges of an image ______.

Image level parameters control image ______.

The higher the kilovoltage peak, the ______.

If the entire range of exposure were digitized, pixel values representing ______ would be digitized.

The brightness or darkness of an image is controlled by ______.

The improper algorithm application may result in ______.

The amount of error that can be made and still result in the capture of a quality image refers to ______.

Changing the slope of the look-up table graph will increase or decrease ______.

Historical study of patient examinations can be accomplished through the manual send function.

The ability to send images to local network stations can be accomplished using the ______.

A histogram displays the useful signal by locating ______.

If too few pixels are sampled, the result will be ______.

Proper patient demographic input is the responsibility of the ______.

A perfect image processing system would have an MTF of ______.

It is possible to achieve an MTF of 100%.

Introduction to Digital Radiography and Pacs

Basic Computer Principles

Networking and Communications Basics

Cassette-Based Equipment: the Computed Radiography Cassette, Imaging Plate, and Reader

Cassette-Based Image Acquisition

Cassetteless Equipment and Image Acquisition

Pacs Fundamentals

Pacs Archiving

Digitizing, Printing, and Burning

Ensuring Quality in Pacs

Total Quality Management of Cr and Dr Systems

Filters