Save
Upgrade to remove ads
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


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. Your email address is only used to allow you to reset your password. See 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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
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

RAD107StackFinal

QuestionAnswer
An image intensifier tube is identified by the diameter of its input phosphor
The image intensifier improved fluoroscopy by increasing image brightness
Electrons hit the _______________ after exiting the anode. output phosphor
Fluoroscopy was developed so that radiologists could view ______________ images. dynamic
Image intensified fluoroscopy is performed at illumination levels similar to radiograph viewing
With image intensification the light level is raised to ___________ vision. photopic
X-rays that exit the patient and enter the image intensifier first interact with the input phosphor
The input phosphor converts _________ to _________. x-rays; light
The pixel size is reduced when the _______ size is increased and the _____________ size is fixed. matrix; field of view
The time from the end of CT imaging to image appearance is called the ______ time. reconstruction
The cross-sectional anatomy is translated into ___________ during CT reconstruction. a matrix of values
The concentration of scintillation detectors affects the ___________ of the CT image. spatial resolution
What is the principal disadvantage of third-generation CT scanners? Ring artifacts
Each CT projection records variations in mass density and effective atomic number
The principal drawback of the first-generation CT scanner was the long scanning time
Each sweep of the source-detector around the body during CT is called a translation
Created by: JacobNiccoli
 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards