Save
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

RADT 465

Equipment Operation and QC

QuestionAnswer
The distance between two consecutive wave crests. Wavelength pg. 432
Shorter wavelength = _______ frequency Greater pg. 433
What is Tungsten's atomic number? 74 pg. 446
T/F: The effective focal spot is almost always smaller than the actual focal spot. False. It's ALWAYS smaller. pg. 448
A _________ terminates the exposure should the AEC fail. Backup timer. pg 466
What is a pixel? A two-dimensional picture element. pg 466
What is a voxel? A three-dimensional picture element. pg 466
Defined as the ratio of light photons at the output phosphor to the number at the input phosphor. Flux gain. pg 480
What does magnification do to patient dose? Increases patient dose due to having to increase the mA value. pg. 482
Bremsstrahlung radiation comprises _____ of the x-ray beam. 70-90%. pg 431
Characteristic radiation comprises _____ of the x-ray beam. 10-30%. pg 431
Frequency and wavelength are _____ related to each other. Inversely. pg. 431-432
T/F: x-rays travel at the speed of light. True. pg 434
Which photon interaction contributes to the technologist's dose? Compton Scatter. pg. 434
What is the only interaction that doesn't cause ionization? Coherent Scatter. pg 436
Major contributor to patient dose. Photoelectric effect. pg 436
Frequency's unit of measurement. Hertz. pg.438
A ______ converts mechanical energy into electrical energy. Generator. pg 439
Tungsten chosen as target material because of? Its high atomic number and high melting point. pg 446
What causes a cracked anode? A single, large, excessive exposure to a cold anode. pg 449
Created by: Ammerkel
Popular Radiology sets

 

 



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