Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Don't know
Know
remaining cards
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Ch 25

Digital Radiography

QuestionAnswer
_____ acquisition systems directly convert incoming x-ray photons to an electronic signal. Direct
A scintillator converts ____ photons into ____. x-ray; light
The cassette based system uses what kind of plate? photostimulable storage phosphor imaging plate (PSP)
Computed radiography is considered ____ digital. indirect
Cassette-less systems are considered ____ digital radiography because the detector and reader are a permanent part of a table or wall unit. direct
A photodetector converts ____ into an _____ signal. light; electronic
What problems occured when CR first came out? high cost and poor image quality
What are the six layers of the photostimulable imaging plates? protective, phosphor, conductor, support, light shield and backing layers.
PSP plates are more sensitive to _____ than film. scatter (absorbs more low energy photons)
The most common phosphor with characteristics favorable for CR is _____ and ____ with europium activators. barium fluorohalide bromides; iodides.
The latent image will lose about ___% of its energy in ___ hours 25;8
The incident x-ray beam produces a ____ image within the photostimulable flurohalides that comprise the active layer of the imaging plate in the cassette. latent
It is the responsibility of the radiographer to select proper ____. technique
The latent image on a imaging plate has a wider ____ than that on film. latitude