WorksheetsDxI600/800
Total questions: 30
Worksheet time: 15mins
Which of the following cannot be added/changed during a run on DxI?
Reaction Vessels (RVs)
Substrate
Wash Buffer
All can be changed
How long must the substrate be at room temperature before loading on the system?
at least 6 hours
at least 12 hours
at least 8 hours
at least 18 hours
It is good practice to open the substrate load door to determine if there is adequate substrate on board.
True
False
System Check will evaluate whether there is adequate particle mixing in the reagent pack.
True
False
When loading substrate on the DxI, you must initiate a prime through the Diagnostics screen.
True
False
The duckbill must be replaced every _________ tests.
500
1000
5000
10000
DxI detection technology?
Radioimmunoassay
ELISA
Chemiluminescence
ElectroChemiluminescence
The aspirate probes must be changed and cleaned every _______ tests.
500
1000
5000
10000
What solutions do you need to perform Daily Clean in DxI 600/800 analyzer? (Could be more than one answer)
Cleaning solution
Contrad 70
2% Wash Solution
1:5 Citranox
System check is used for:
Calibrating
Operating
Training
Troubleshooting
Which of the following is chemiluminescent substrate used on DxI Immunoassay system?
Acridinium ester
Dioxetane
Ruthenium Tris
Invitrogen's CSPD
If the laboratory is running HIV antibody levels, what is the special weekly maintenance needed?
System check
Replace new duck bill
Installl new aspirate probe
None of the above
What is the throughput of DxI 800?
200 tests/hour
240 tests/hour
320 tests/hour
400 tests/hour
How long will the Sample Storage Unit hold a sample vessel (SV) before it is discarded? (e.g due to no supply)
3 hours
5 hours
8 hours
24 hours
Running System Check is a part of 10,000 test maintenance.
True
False
How many storage slots/nests are in the Reagent Storage unit?
48
25
50
24
How many (maximum) reagent pack/s can be load simultaneously on the reagent load tray in DxI800?
1
2
3
4
What is X ?
Wash Buffer Supply Drawer
Solid Waste Door
Liquid Waste Drawer
Vessel Hopper Door
What is X ?
Wash Buffer Supply Drawer
Solid Waste Door
Liquid Waste Drawer
Vessel Hopper Door
What is the onboard stability for substrate?
7 days
14 days
28 days
30 days
These condition require for re-calibrate except?
Change Wash Buffer
Change Calibrator
The QC is outside SD limit
Change reagent with new lot No.
Which of the following are the factors that affect a Quality Control result? (more than one answer)
QC preparation
Calibration
Solid waste bin
Reagent
What are the menu under sample manager? (more than one answer)
In Progress
Requested
Daily
Exceptions
What is the default test availability (test left) for the new loaded substrate?
200 tests
400 tests
600 tests
800 tests
It is compulsary to calibrate all test after performing interval maintenance to verify system performance.
TRUE
FALSE
Which is the right flowchart to add new lot calibrator?
Click "Calibration" - Click "Calibration Setup" - Click "Add Calibrator" - Scan the calibrator bar code information - Check the calibrator information and then Click "OK"
Click "Calibration" - Click "Calibration Setup" - Scan the calibrator bar code information - Click "Add Calibrator" - Check the calibrator information and then Click "OK"
Click "Calibration Setup" - Click "Calibration" - Scan the calibrator bar code information - Click "Add Calibrator" - Check the calibrator information and then Click "OK"
Click "Calibration Setup" - Click "Calibration" - Click "Add Calibrator" - Scan the calibrator bar code information - Check the calibrator information and then Click "OK"
Those are part of Daily Maintenance for DxI. (multiple answer)
Back up the system
Record the test count
Shake down the solid waste container
Run a clean routine
How to prepare 1:501 System Check dilution?
20 uL System Check + 100 mL Wash Buffer
20 uL System Check + 10 mL Wash Buffer
10 uL System Check + 20 mL Wash Buffer
200 uL System Check + 10 mL Wash Buffer
If you are shutting down the instrument and the PC, which
should be shut down first?
Instrument
PC
What are the three System Command buttons?
Stop
Pause
Resume
Play
