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WorksheetsXpert MTB/XDR
Total questions: 10
Worksheet time: 8mins
Viability time of a SR-treated sputum specimen left in room temperature.
2.5 minutes
4 hours
2.5 hours
4 minutes
The transport system used to secure the quality of specimen and prevent its exposure to extreme environmental conditions
Tertiary Packaging System
Category A Packaging System
Triple Packaging System
All of the above
The Xpert MTB/XDR is used as a monitoring examination for patients with bacteriologically confirmed (BC) pulmonary RRTB and other DRTB before initiation of DRTB treatment
TRUE
FALSE
Choose the correct matching of TB drugs and target genes
Isoniazid - katG, inhA
Ethionamide - inhA
SLID - gyrA, gyrB
Fluoroquinolone - eis, rrs
Isoniazid - katG, inhA
Ethionamide - inhA
Fluoroquinolone - gyrA, gyrB
SLID - eis, rrs
Ethionamide - katG, inhA
Isoniazid - inhA
Fluoroquinolone - gyrA, gyrB
SLID - eis, rrs
None of the choices are correct
Start the test within _(TIME)_ upon opening the cartridge lid.
(a)
In processing Xpert MTB/ XDR, what is the correct ratio of the SR buffer to the sputum specimen?
2 parts specimen : 1 part SR buffer
2 parts SR-buffer : 1 part specimen
1 part specimen : 4 parts SR buffer
4 parts specimen : 1 part SR buffer
Any mutation leads only to the increase of melting temperature (Tm).
FALSE. Any mutation leads only to the decrease of melting temperature (Tm).
FALSE. Any mutation neither leads to the increase nor decrease of the melting temperature (Tm).
FALSE. Any mutation may lead to the increase or decrease of melting temperature(Tm).
TRUE. Tiwala lang!
In the step-by-step processing of Xpert MTB/XDR, MILE stands for:
Mix, Inoculate, Load, Enter
Mix, Inoculate, Loud, Expect
Mince, Inoculum, Load, Expect
Mix, Inoculate, Load, Expect
Which of the following statement/s is/are correct?
a. XDR assay can be loaded to a 10c machine only.
b. XDR assay can be loaded to both 6c and 10c machines.
c. Xpert Ultra assay can be loaded to both 6c and 10c machines.
a and c
a and b
All of the above
None of the choices
The leftover SR-treated specimen from Xpert MTB/RIF Ultra can be used for reflex testing of XDR assay if the volume is >2ml and is stored at 35C for 4 hours.
Yes.
No. The volume is insufficient.
No. The specimen already reached its time limit.
Any of the choices
