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

Rad107 final

QuestionAnswer
Fluoroscopy was developed so that radiologists could view ______________ images. Dynamic
The ratio of x-rays incident on the input phosphor to light photons exiting the output phosphor is called _______ gain. Flux
The capability of an image intensifier to increase the illumination level of the image is called its Brightness gain
With image intensification the light level is raised to ___________ vision. Photopic
The input phosphor converts _________ to _________. xray ; light
Light produced at the output phosphor of the image intensifier has been increased __________ times in intensity. 50 - 75
The image intensifier improved fluoroscopy by increasing image Brightness
Digital fluoroscopy uses at least _____ monitor(s). 2
In mask mode, the ________ image is shown on monitor B, and the ________ image is shown on monitor A. Mask ; Subtracted
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
The second-generation CT scanners had the disadvantage of increased Beam Scatter
The reduction in ____________ was the principal advantage of the second-generation CT scanners. Scanning time
Each CT projection is stored on the computer
The CT scanner must be calibrated so that ____________ is at CT number zero. Water
The relationship between patient couch movement and the x-ray beam is known as Pitch
Created by: McKenna0410
 

 



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