Table/Support
T or F: Tables have to be radiolucent.
True
What is the diagnostic range of kVp used for exposure?
25-150
What is meant to initiate the exposure?
Exposure switch
Techs lose control of what when using AEC?
time
What is the biggest drawback to capacitor discharge units?
leakage radiation
Tilting tables are primarily designed for what?
Fluoro
Single phase generator has a voltage ripple of what?
100%
Ends the exposure at the correct time.
Timer circuit
What type of AEC detector is placed above the IR?
Ionization chamber
What types of generators allow a higher mA exposure w/ short exposure times, where the mA falls as exposure goes on.
Falling Load Generators
What is the brake on the table made with?
Electromagnets
3 phase generators have what % more photon energy than single phase?
35%
What is the rectifier between?
Step up & XR tube
If you are using a kVp below 50 what is the back up time maxed out at?
2000mAs
Decrease-- Magnification increases.
What is the primary concern with floor tube supports?
Tipping forward.
10%
What ensure the voltage is at the level it needs to be for XR production?
Step Up
If you are imaging a Lat L Spine and you have all the AEC chambers selected what will happen?
It will be under exposed/ too quick of exposure time.
Focal Spot/Track.
What type of tube support is ideal for when patients are on carts?
Overhead
In a 60Hz AC current how many direction changes of current are there in 0.1 seconds?
60 X 2 = 120 X 0.1= 12 direction changes
What sits between the autotransformer and the timer circuit?
Exposure switch
If the minimum reaction time is TOO LONG for the body part in question, what will the image look like?
Over exposed.
How do you find the power rating for a single phase generator?
V x A x 0.7= W ------ answer in kilowatts.