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

fluoro

test

QuestionAnswer
who invented fluoro & when? Thomas Edison-1896
what are the 4 parts of a fluoro unit II, tube, monitor, carriage(assembly)
what is the equation for minification gain minification=input square over output square
the photocathode does what? absorbs light and emits electrons
what is an algorithum? application of complex mathmatical farrahs
list 3 types of storages devices cd/dvd,hard drive,flash drive
3D volume of tissue is called a? voxel
what is the magnification equation for II? mag=original diameter over new diameter
list the 6 quality factor of a digital image brightness,contrast,resolution,distortion,exposure index,noise
controls the range at gray scale of a digital image window width
list 3 output devices monitor monitor(video),printer,fax
A device used to focus electrons in the II electrostatic lens
list 4 CR artifacts ghost image,dropout artifact,quantum mottle,heat blur
digital data can be? stored on disc,transfered on internet,printed on laser disc system
what is the matrix? total # of pixels
what is DICOM? digital imaging & communication in medicine
what is the most common viewing system in fluoro? real-time video
what is the mA range of the fluoro tube? 0.5-5.0mA
what is the equation for spatial resolution? SR=fov over matrix
when were II's invented? 1948
An artifact on a CR image due to imcomplete plate erasure is? phantom image
what is the equation for total brightness gain? BG=minification gain over flux gain
what do th electrostatic lens do in the II? focus & intensity electrons
what does FOV stand for? field of view
study for random access memory & is temporary RAM
what is the exposure index? # value representation of the exposure valve on the image.
list 3 types of input devices keyboard, mouse, scanner
what is the fluoro input phoshpor made of? CSI(cesium iodide)
what is the most common video viewing system in fluoro? Plumbicon
The input screen is-----in shape concave
list 2 types of monitors(viewing devices) CRT & LCD
list the layers of an image plate protective layer,phosphor layer,conductor layer,support layer,light sheild layer,light backing layer
stands for read only memory & is permanant ROM
what type of laser is used to process a digital image. Helium-Neon laser
what is HIS hospital info. system
what is the post processing technique that increases brightness along the edge of a image edge enchancement
This system uses a magnetic field for diagnostic exams. MRI
what is the 2D piece of an image? pixel
what is the kV range of a fluoro tube system? 25kV
what is a single character in binary code called? BIT
controls the level of brightness of the digital image window level
explain luminance vs ambient
explain raster pattern
explain resolution & distortion
explain DR & CR likness & differences
Created by: ambey