Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

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.
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
remaining cards
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:
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

RAD456: Reg. Review

ARRT Registry Review: Equipment Operation and Quality Control

How often must radiographic equipment be checked for linearity and reproducibility? Annually Lange Q&A pg. 259
Light sensitive AEC devices are known as what? Phototimers Lange Q&A pg. 260
The electron cloud within the xray tube is the product of a process called what? Thermionic emission Lange Q&A pg. 260
Of what material is the filament of the cathode assembly made of? Tungsten Lange Q&A pg. 261
The voltage ripple associated with a three-phase, 12-pulse rectified generator is about what percentage? 13-14% Lange Q&A pg. 263
As electrons impinge on the anode surface, less than 1% of their kinetic energy is changed to what? x-rays Lange Q&A pg. 264
The regular measurement and evaluation of radiographic equipment components and their performance is most accurately termed as what? Quality control Lange Q&A pg. 264
When the radiographer selects the kilovoltage on the control panel, which device is adjusted in the circuit? Autotransformer Lange Q&A pg. 264
Star and wye configurations are related to what? Three-phase transformers Lange Q&A pg. 264
The device used to test the accuracy of the x-ray timer is termed what? Spinning top Lange Q&A pg. 265
The kV settings on radiographic equipment must be tested annually and must be accurate to within how much? +/- 4 kV Lange Q&A pg. 265
To maintain image clarity in an image-intensifier system, the path of electron flow from the photocathode to the output phosphor is controlled by what? Electrostatic lenses Lange Q&A pg. 267
What term describes the amount of electric charge flowing per second? Current Lange Q&A pg. 267
That portion of the remnant x-ray beam representing anatomical details having desirable quality is referred to as? Signal Lange Q&A pg. 268
The image intensifier's input phosphor generally is composed of what? Cesium iodide Lange Q&A pg. 273
How often are radiographic equipment kV settings required to be evaluated? Annually Lange Q&A pg. 272
The image-intensifier tube's input phosphor functions to convert what to what? X-rays to light Lange Q&A pg. 273
What is the term used to describe the phenomenon of losing image brightness at the edges of the surface due to a curved imaging plate? Vignetting Equipment Operation and Quality Control (In-class handout)
What is the number of cycles of sinusoidal wavelength per second in the U.S.? 60 cycles per second (Equip. Operation & Quality Control (In-class handout)
What is the formula for Ohm's Law? V=IR V=Voltage I=Current R=Resistance In-class Handout (Equip Operation)
What are the PSP plates cleaned with? Anhydrous ethanol In-class handout
Created by: jlemmons1