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WorksheetsXpert MTB/RIF Ultra Recap Day 1 (NTRL)
Total questions: 15
Worksheet time: 3mins
The Xpert MTB/RIF Ultra is the improved cartridge version of the previous assay.
True
False
What is the software machine requirement for Xpert MTB/RIF Ultra?
4.6a
4.6b
4.7a
4.7b
How long is the viability of a specimen that is stored at room temperature (35C)?
4 hours
24 hours
3 days
10 days
What is the viability of treated specimens stored in a ref temperature (2-8C)?
3 hours
4 hours
10 hours
12 hours
Which of the following is the probe target/s found in Xpert MTB/RIF Ultra? (You may choose more than 1 answer)
gyrA and gyrB
inhA and katG
IS1081 and IS6110
rpoB
It is responsible for the breakdown of MTB bacilli in the cartridge valve.
Degradation
Extraction
PCR
Ultrasonication
The GeneXpert cartridge is a closed-compact system which eliminates potential contamination.
True
False
The GeneXpert module is dependent on the other modules.
True
False
How many mL of CSF is accepted for Xpert MTB/RIF Ultra processing in an RTDL?
0.5 to 4mL
At least 5 mL
What sputum consistency is considered the most optimal specimen because it is freshly collected and gives an assurance that it comes from the lungs?
Mucopurulent
Mucosalivary
Salivary
Which of the following are considered as suboptimal specimens but can still be accepted for Xpert MTB/RIF Ultra processing? (You may choose more than 1 answer)
Blood-tinged sputum
Mucopurulent sputum
Mucosalivary sputum
Salivary sputum
What is the risk precaution level when a staff concentrates a specimen for Xpert MTB/RIF Ultra processing?
Low
Medium
High
What mitigation control involves the posting of safety signages inside the laboratory?
Administrative
Elimination
Practices and procedures
Substitution
From a biosafety perspective, what is the primary purpose of standing the specimen after vigorous shaking?
To allow bubbles to settle down before opening the specimen container.
To allow full liquefaction and decontamination of specimens.
To preserve the consistency of the specimen.
Only Options 1 and 2 are correct.
Only Option 2 and 3 are correct.
Which of the following levels can Xpert MTB/RIF Ultra be used? (You may choose more than 1 answer)
Central
Intermediate
Peripheral
