Tuberculosis (TB) Laboratory & Quality Assurance Examination

Encircle the correct Answer of the Following question.

1) What is the full form of LQAS?

• a) Lot Quality Assurance System
• b) Long Quality Assurance System
• c) Lab Quality Assurance System
• d) All of the above

2) What are the components of the Quality Assurance system?

• a) On-site testing
• b) Panel testing
• c) Blinded slide rechecking
• d) All of the above

3) LQAS is based on…

• a) Total Negative slide per year
• b) Slide Positivity Rate
• c) Both
• d) None of the above

4) GeneXpert testing detects…

• a) Only viable TB bacilli
• b) Only non-viable TB bacilli
• c) Viable and non-viable TB bacilli
• d) None

5) The slide positivity rate is determined in LQAS is

• a) Quarterly
• b) Half-yearly
• c) Annually
• d) Monthly

6) Which value is used for determining the sample size?

• a) Slide Positivity Rate
• b) Acceptance Value
• c) Sensitivity Rate
• d) All of the above

7) Which value is recommended as sensitivity for determining sample size for a new EQA Program?

• a) 75%
• b) 80%
• c) 85%
• d) 90%

8) Which result is not good for the TB Microscope centre?

• a) High false positive
• b) High false Negative
• c) All of the above
• d) None of the above

9) How do you know the number of slides examined by the TB Microscopist in any Quarter?

• a) From TB Lab Register
• b) From TB Microscope
• c) By your estimation
• d) From the Director level

10) Xpert MTB/RIF assay detects

• A. Rifampicin resistance
• B. Rifampicin and Isoniazid
• C. Isoniazid, Fluoroquinolone, second-line injectables, and ethionamide
• D. All

11) How do you find the annual sample size for a particular Microscopic centre?

• a) By the given chart
• b) By TB Microscopist
• c) By your own estimation
• d) None of the above

12) Hierarchy of infection control Measures are

• A. Administrative Control
• B. Environmental Control
• C. Personal Respiratory Protection
• D. All of the above

13) What is the key goal of the National Strategic Plan for TB in Nepal

• A. End TB by 2035, prevent TB by 2050
• B. End TB by 2025, prevent TB by 2035
• C. End TB by 2030, prevent TB by 2050
• D. End TB by 2030, prevent TB by 2035

14) Which is the excellent Microscopic center among?

• a) Result of MC1 Zero False Report with >95% agreement rate
• b) Result of MC2 Zero False Report with >90% agreement rate
• c) Result of MCs <5% false Report with >95% agreement rate
• d) Result of MCs >5% false Report with >95% agreement rate

15) The National Tuberculosis Program (NTP) is adopting “The End TB Strategy.” What is the vision of the End TB Strategy?

• a) A world Free of TB with zero deaths, disease, and suffering due to TB
• b) Reduce TB Burden by 2020
• c) Eliminate TB from Nepal by 2030
• d) TB-free Nepal by 2050

16) The progress of all TB treatment can be monitored by?

• a) Follow-up sputum examination
• b) Active case finding
• c) By ESR Value
• d) Mantoux Test

17) What are the methods used for case finding in NTP?

• a) Active case finding
• b) Passive case finding
• c) Both of them
• d) None of them

18) What are the follow-up months of sputum examination for Treatment monitoring?

• a) 2 months, 5 months, and the end of treatment
• b) 3 months, 5 months, and the end of treatment
• c) 1 month, 3 months, and the end of treatment
• d) 2 months, 4 months, and the end of treatment

19) How many oil immersion fields need to be examined to declare the smear Negative?

• a) No Bacilli found in 100 VF
• b) No Bacilli found in 50 VF
• c) No Bacilli found in 300 VF
• d) No Bacilli found in 200 VF

20) Which one is the standard size of smear for AFB?

• a) 2cm X 2cm
• b) 1cm X 3 cm
• c) 1 cm X 2 cm
• d) 2cm X 4cm

Answer Sheet

Question	Correct Option
1	a (Lot Quality Assurance System)
2	d (All of the above)
3	c (Both)
4	c (Viable and non-viable TB bacilli)
5	c (Annually)
6	a (Slide Positivity Rate)
7	b (80%)
8	c (All of the above)
9	a (From TB Lab Register)
10	A (Rifampicin resistance)
11	a (By the given chart)
12	D (All of the above)
13	A (End TB by 2035, prevent TB by 2050)
14	a (Result of MC1 Zero False Report with >95% agreement rate)
15	a (A world Free of TB with zero deaths, Disease, and suffering due to TB)
16	a (2 months, 5 months, and end of treatment)
17	c (Both of them)
18	a (A world Free of TB with Zero death, Disease, and suffering due to TB)
19	a (No Bacilli found in 100 VF)
20	c (1 cm X 2 cm)