Brilliance CT Training Final Test
Brilliance CT Training Final Test
Welcome to the Brilliance CT Training Final Test! This comprehensive quiz is designed for individuals looking to enhance their knowledge and skills in CT technology. Whether you're a technician or a keen learner, this quiz covers various essential topics related to CT scanners and their operations.
Key Features:
- 25 multiple-choice questions covering core concepts.
- Detailed explanations for each answer.
- Ideal for certification and training assessment.
Please read all questions carefully. They are all multiple choices. Some allow for more than one selection. If it has a "Next" button then it allows for more than one choice.
What happens when you turn the keyswitch from run to start on the CT box?
You hear a loud clunk and then the tube immediately moves to 12 o'clock position.
Nothing.
You hear a loud clunk and then the scanner rotor will rotate. Then you will hear a louder clunk. The rotor will stop it's rotation and then move the tube to the 12 o'clock position.
The engine will start.
CT stands for?
Computer Taser
Computed Tomography
Constancy
When I push the blue button on the left side of the gantry, what happens?
Nothing
Resets the tube position to 12 O'clock
Either powers on the gantry or powers it off.
All scanners from all manufacturers are using which generation?
0%
0
0%
0
0%
0
0%
0
The mathematical computations that occur after the detector data is acquired is called?
Data Display
Backprojection
Image rotation
We discussed voxels and pixels. Which one is assigned a Hounsfield Unit value?
Voxels
Pixels
Neither
Both
When adjusting the window width and level on an image, this will change brightness and contrast of the image. Does this also change the Hounsfield numbers?
Yes
NO
What is calibrated to 0.0 Hounsfield Units?
Poly
Air
Water
Lead
During a PM, what calibration is suppose to be done?
Phantom Calibration
DFS Width Calibration
Filament Calibration
When you replace these parts, it’s important that the collimator cables be removed and not connected until you are sure the proper NVRAM values are in place. Which parts does this concern? (Check all that apply)
Collimator
DMC16
GHOST
CGMP
A CT scanner will be ideal for?
Hospitals
Oncology / Cancer Centers
Emergency Rooms / Trauma
Schools
Homes
Restaurants
The couch has multiple encoders for the horizontal direction. How many of them during horizontal calibration have to calibrated?
1
2
3
0
Turning the keyswitch on the CT box CLOCKWISE till it stops, does what?
Starts the process of closing E-Stop
Starts F-Stop
Opens the lid
Starts the engine
Turns off the gantry
If you remove the couch vertical motor without first putting the green safety bar in place, what will happen?
Couch will slowly drop to the lowest level.
Couch will almost instantly drop to the lowest level.
Crush body parts like hands or even worse your head.
Nothing will happen in the vertical direction because the motor is not installed to move it.
Big Bore scanners are DIFFERENT in what ways?
Was CREATED for ER departments in hospitals
Uses two sets of red lasers for communication and sending detector data
Big bore uses less slip rings than the other models
Was CREATED for large / heavy patients
Was CREATED for Oncology/Cancer scans
Much bigger gantry opening.
You turn off the gantry using the blue push button switch. Then, immediately turn it back on. The scanner will close e-stop for a few seconds and then it will open again. What error will you likely see in the error viewer?
S_MASTER_SEQUENCER_ACQ_NOT_OK
S_LIFESYNCMGRTASK_LIFESYNC_FAIL
S_MASTER_SEQUENCER_GDC_LOW_AFTER_TIMEOUT
S_CTRL_LINK_ GHOST_GOT_CRC_FRAMING_ERROR
The “Index” signal during rotation is created from what?
Resolver Windings
Zero Flag
CGMP via GHOST
Spindle Block
Dirty slip rings can cause rotation errors?
True
False
If I put a jumper on J28 (GHOST BOARD), what will be jumpered out of the estop chain?
Couch Control Board (CCB)
E-stop button on CT Box
Gantry Covers E-stop Buttons
DMC & RHOST
Is it easily possible to close e-stop without the application software running?
Yes
No
If your system does not have a blue button to power off the gantry, what fuses could you remove to accomplish the same thing? (Choose all that apply)
F360
F371 & F372
F354 & F355
F360 & F361
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