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

RADT 465: EO & QC

ARRT registry review covering Equipment operation and QC

QuestionAnswer
The type of x-ray tube designed to turn on and off rapidly, providing multiple short, precise exposures, is what? (pg 279) grid-controlled
Congruence of the x-ray beam with the light field is tested using? (pg 281) radiopaque objects
A parallel-plate ionization chamber receives a particular charge as x-ray photons travel through it. This is the operating principle of which device? (pg 281) AEC
The electron cloud within the x-ray tube is the product of a process called? (pg 280) thermionic emission
The minimum response time of an automatic exposure control (AEC) (pg 280) is its shortness possible exposure time
The voltage ripple associated with a three-phase, six-pulse rectified generator is about? (pg 283) 13%
The device that receives the remnant beam, converts it into light, and then increases the brightness of that light is the? (pg 283) image intensifier
Which device converts electrical energy into mechanical energy? (pg 282) motor
As window level i ncreases...? (pg 282) brightness increases
What is the relationship between kv and HVL? (pg 282) as kv increases, the HVL increases
What are components of the secondary, or high voltage, side of the x-ray circuit? (pg 282) rectification system
Patient dose during fluorscopy is affected by the? (pg 282) the distance between the patient and the input phosphor, amount of magnification, tissue density
A slit camera is used to measure? (pg 282) focal-spot size, spatial resolution
Star and wye configurations are related to? (pg 284) three phase transformers
When the radiographer selects kilvoltage on the control panel, which device is adjusted? (pg 284) autotransformer
Which system function(s) to compensate for changing patient/part thickness during fluoroscropic procedures? (pg 285) automatic brightness control
What is the device that directs the light emitted from the image intensifier to various viewing and imaging apparatus? (285) beam splitter
The image-intensifier tube's input phosphor functions to convert? (pg 287) x-rays to light
To maintain image clarity in an image-intensifier system, the path of eletron flow from the photocathode to the output phosphor is controlled by? (pg 287) electrostatic lenses
The device used to change alternating current to undirectional current is? (pg 287) capacitor
A device used to ensure reproducible radiographs, regardless of tissue-density variations, is the? (pg 287) grid device
Which part of an induction motor is located outside the x-ray tube glass envelope? (pg 289) filament
With what frequency must radiographic equipment be checked for linearity and reproducibility? (pg 289) annually
Which part of an induction motor is located within the x-ray tube glass envelope? (pg 289) focusing cup
Which term describes the amount of electric charge flowing per second? (pg 288) voltage
Circuit devices that permit electrons to flow in only one direction are? (pg 290) solid state diodes
Fractional-focus tubes, with a 0.3 mm focal spot or smaller, have special application in? (pg 290) magnification radiography
Light-sensitive AEC devices are known as? (pg 292) phototimers
Created by: mnzeilinga