
Ch. 32 and 33
Quiz
•
Physics
•
University
•
Practice Problem
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Medium
Jessica Love
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the accept image or deliver button do?
Restores all adjusted settings to original values
Sends the image with its current settings into a file in the PAC system
Sends the entire study into the PAC system for storage
Sends an image directly to a printer without being saved into the PAC system
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the speed of any imaging system express?
how fast the image can be sent to PACS
how fast the image can be obtained
how fast the computer can process the image
The imaging system's sensitivity to radiation
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What can cause an unacceptable level of mottle noise in the image?
Insufficient techniques resulting in low exposure indicators
Very high exposure indicators
inadequate positioning of the part
None of the above
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What can cause exposure indicator errors?
extreme underexposure
Extraneous exposure information, including scatter
Delay in processing
All of the Answers
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of exposure indicator?
To increase the speed of imaging systems
To help RT avoid overexposure to the patient
To reduce the cost of imaging equipment
To improve image resolution
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of smoothing algorithms?
All of the above
To recover lost information due to underexposure
To smooth out hard lines on the image
To suppress small amounts of mottle in the image
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of dark masking in image processing?
Resizes the image
Stitches multiple images together
Reverses the image to 'black-on-white'
Reverses blank areas around the image to black border
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